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class="button button--secondary button--outline collapseSidebarButton_EBxv"><svg width="20" height="20" aria-hidden="true" class="collapseSidebarButtonIcon_AF9Q"><g fill="#7a7a7a"><path d="M9.992 10.023c0 .2-.062.399-.172.547l-4.996 7.492a.982.982 0 01-.828.454H1c-.55 0-1-.453-1-1 0-.2.059-.403.168-.551l4.629-6.942L.168 3.078A.939.939 0 010 2.528c0-.548.45-.997 1-.997h2.996c.352 0 .649.18.828.45L9.82 9.472c.11.148.172.347.172.55zm0 0"></path><path d="M19.98 10.023c0 .2-.058.399-.168.547l-4.996 7.492a.987.987 0 01-.828.454h-3c-.547 0-.996-.453-.996-1 0-.2.059-.403.168-.551l4.625-6.942-4.625-6.945a.939.939 0 01-.168-.55 1 1 0 01.996-.997h3c.348 0 .649.18.828.45l4.996 7.492c.11.148.168.347.168.55zm0 0"></path></g></svg></button></div></aside><main class="docMainContainer_Q970"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_zHA2"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is documentation for Apache APISIX® -- Cloud-Native API Gateway and AI Gateway <b>3.11</b>, which is no longer actively maintained.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/docs/apisix/plugins/chaitin-waf/">latest version</a></b> (3.14).</div></div><div class="docItemContainer_oiyr"><article><span class="theme-doc-version-badge badge badge--secondary">Version: 3.11</span><div class="tocCollapsible_aw-L theme-doc-toc-mobile tocMobile_Tx6Y"><button type="button" class="clean-btn tocCollapsibleButton_zr6a">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>chaitin-waf</h1></header><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="description"></a>Description<a class="hash-link" href="#description" title="Direct link to heading">#</a></h2><p>After enabling the chaitin-waf plugin, the traffic will be forwarded to the Chaitin WAF service for the detection and |
| prevention of various web application attacks, ensuring the security of the application and user data.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="response-headers"></a>Response Headers<a class="hash-link" href="#response-headers" title="Direct link to heading">#</a></h2><p>Depending on the plugin configuration, it is optional to add additional response headers.</p><p>The response headers are listed below:</p><ul><li><strong>X-APISIX-CHAITIN-WAF</strong>: Whether APISIX forwards the request to the WAF server.<ul><li>yes: forwarded</li><li>no: no forwarded</li><li>unhealthy: matches the match variables, but no WAF server is available.</li><li>err: an error occurred during the execution of the plugin. Also with <strong>X-APISIX-CHAITIN-WAF-ERROR</strong> request header</li><li>waf-err: Error while interacting with the WAF server. Also with <strong>X-APISIX-CHAITIN-WAF-ERROR</strong> request header</li><li>timeout: Timeout for request to the WAF server</li></ul></li><li><strong>X-APISIX-CHAITIN-WAF-ERROR</strong>: Debug header. WAF error message</li><li><strong>X-APISIX-CHAITIN-WAF-TIME</strong>: The time in milliseconds that APISIX spent interacting with WAF.</li><li><strong>X-APISIX-CHAITIN-WAF-STATUS</strong>: The status code returned to APISIX by the WAF server.</li><li><strong>X-APISIX-CHAITIN-WAF-ACTION</strong>: Processing result returned to APISIX by the WAF server.<ul><li>pass: request valid and passed</li><li>reject: request rejected by WAF service</li></ul></li><li><strong>X-APISIX-CHAITIN-WAF-SERVER</strong>: Debug header. Picked WAF server.</li></ul><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="plugin-metadata"></a>Plugin Metadata<a class="hash-link" href="#plugin-metadata" title="Direct link to heading">#</a></h2><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Default value</th><th>Description</th></tr></thead><tbody><tr><td>nodes</td><td>array(object)</td><td>true</td><td></td><td>A list of addresses for the Chaitin SafeLine WAF service.</td></tr><tr><td>nodes[0].host</td><td>string</td><td>true</td><td></td><td>The address of Chaitin SafeLine WAF service. Supports IPV4, IPV6, Unix Socket, etc.</td></tr><tr><td>nodes[0].port</td><td>string</td><td>false</td><td>80</td><td>The port of Chaitin SafeLine WAF service.</td></tr><tr><td>config</td><td>object</td><td>false</td><td></td><td>Configuration of the Chaitin SafeLine WAF service. The parameters configured here will be used when route is not configured.</td></tr><tr><td>config.connect_timeout</td><td>integer</td><td>false</td><td>1000</td><td>connect timeout, in milliseconds</td></tr><tr><td>config.send_timeout</td><td>integer</td><td>false</td><td>1000</td><td>send timeout, in milliseconds</td></tr><tr><td>config.read_timeout</td><td>integer</td><td>false</td><td>1000</td><td>read timeout, in milliseconds</td></tr><tr><td>config.req_body_size</td><td>integer</td><td>false</td><td>1024</td><td>request body size, in KB</td></tr><tr><td>config.keepalive_size</td><td>integer</td><td>false</td><td>256</td><td>maximum concurrent idle connections to the SafeLine WAF detection service</td></tr><tr><td>config.keepalive_timeout</td><td>integer</td><td>false</td><td>60000</td><td>idle connection timeout, in milliseconds</td></tr></tbody></table><p>An example configuration is as follows.</p><div class="admonition admonition-note alert alert--secondary"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="16" viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</h5></div><div class="admonition-content"><p>You can fetch the <code>admin_key</code> from <code>config.yaml</code> and save to an environment variable with the following command:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token assign-left variable" style="color:#36acaa">admin_key</span><span class="token operator" style="color:#393A34">=</span><span class="token variable" style="color:#36acaa">$(</span><span class="token variable" style="color:#36acaa">yq </span><span class="token variable string" style="color:#e3116c">'.deployment.admin.admin_key[0].key'</span><span class="token variable" style="color:#36acaa"> conf/config.yaml </span><span class="token variable operator" style="color:#393A34">|</span><span class="token variable" style="color:#36acaa"> </span><span class="token variable function" style="color:#d73a49">sed</span><span class="token variable" style="color:#36acaa"> </span><span class="token variable string" style="color:#e3116c">'s/"//g'</span><span class="token variable" style="color:#36acaa">)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div></div></div><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/plugin_metadata/chaitin-waf -H </span><span class="token string" style="color:#e3116c">"X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">"</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">'</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">{</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "nodes":[</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "host": "unix:/path/to/safeline/resources/detector/snserver.sock",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "port": 8000</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> ]</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="attributes"></a>Attributes<a class="hash-link" href="#attributes" title="Direct link to heading">#</a></h2><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Default value</th><th>Description</th></tr></thead><tbody><tr><td>match</td><td>array[object]</td><td>false</td><td></td><td>The list of matching rules, default is empty</td></tr><tr><td>match.vars</td><td>array[array]</td><td>false</td><td></td><td>List of variables to match for filtering requests for conditional traffic split. It is in the format <code>{variable operator value}</code>. For example, <code>{"arg_name", "==", "json"}</code>. The variables here are consistent with NGINX internal variables. For details on supported operators, <a href="https://github.com/api7/lua-resty-expr#operator-list" target="_blank" rel="noopener noreferrer">lua-resty-expr</a>.</td></tr><tr><td>append_waf_resp_header</td><td>bool</td><td>false</td><td>true</td><td>Whether to add response headers</td></tr><tr><td>append_waf_debug_header</td><td>bool</td><td>false</td><td>false</td><td>Whether or not to add debugging headers, effective when <code>add_header</code> is <code>true</code>.</td></tr><tr><td>config</td><td>object</td><td>false</td><td></td><td>Configuration of the Chaitin SafeLine WAF service. When the route is not configured, the parameters configured in the metadata are used.</td></tr><tr><td>config.connect_timeout</td><td>integer</td><td>false</td><td></td><td>connect timeout, in milliseconds</td></tr><tr><td>config.send_timeout</td><td>integer</td><td>false</td><td></td><td>send timeout, in milliseconds</td></tr><tr><td>config.read_timeout</td><td>integer</td><td>false</td><td></td><td>read timeout, in milliseconds</td></tr><tr><td>config.req_body_size</td><td>integer</td><td>false</td><td></td><td>request body size, in KB</td></tr><tr><td>config.keepalive_size</td><td>integer</td><td>false</td><td></td><td>maximum concurrent idle connections to the SafeLine WAF detection service</td></tr><tr><td>config.keepalive_timeout</td><td>integer</td><td>false</td><td></td><td>idle connection timeout, in milliseconds</td></tr></tbody></table><p>A sample configuration is shown below, using <code>httpbun.org</code> as the example backend, which can be replaced as needed:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/routes/1 -H </span><span class="token string" style="color:#e3116c">"X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">"</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">'</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">{</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "uri": "/*",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "plugins": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "chaitin-waf": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "match": [</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "vars": [</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> ["http_waf","==","true"]</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> ]</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> ]</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> },</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "upstream": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "type": "roundrobin",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "nodes": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "httpbun.org:80": 1</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="test-plugin"></a>Test Plugin<a class="hash-link" href="#test-plugin" title="Direct link to heading">#</a></h2><p>Test the above example configuration.</p><p>If the match condition is not met, the request can be reached normally:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> -H </span><span class="token string" style="color:#e3116c">"Host: httpbun.org"</span><span class="token plain"> http://127.0.0.1:9080/get -i</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">HTTP/1.1 </span><span class="token number" style="color:#36acaa">200</span><span class="token plain"> OK</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Type: application/json</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Length: </span><span class="token number" style="color:#36acaa">408</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Connection: keep-alive</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF: no</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Date: Wed, </span><span class="token number" style="color:#36acaa">19</span><span class="token plain"> Jul </span><span class="token number" style="color:#36acaa">2023</span><span class="token plain"> 09:30:42 GMT</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-Powered-By: httpbun/3c0dc05883dd9212ac38b04705037d50b02f2596</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Server: APISIX/3.3.0</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"args"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"headers"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Accept"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"*/*"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Connection"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"close"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Host"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"httpbun.org"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"User-Agent"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"curl/8.1.2"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-For"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"127.0.0.1"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-Host"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"httpbun.org"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-Port"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"9080"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-Proto"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"http"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Real-Ip"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"127.0.0.1"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"method"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"GET"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"origin"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"127.0.0.1, 122.231.76.178"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"url"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"http://httpbun.org/get"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">}</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><p>Potential injection requests are also forwarded as is and encounter a 404 error:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> -H </span><span class="token string" style="color:#e3116c">"Host: httpbun.org"</span><span class="token plain"> http://127.0.0.1:9080/getid</span><span class="token operator" style="color:#393A34">=</span><span class="token number" style="color:#36acaa">1</span><span class="token plain">%20AND%201</span><span class="token operator" style="color:#393A34">=</span><span class="token number" style="color:#36acaa">1</span><span class="token plain"> -i</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">HTTP/1.1 </span><span class="token number" style="color:#36acaa">404</span><span class="token plain"> Not Found</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Type: text/plain</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"> </span><span class="token assign-left variable" style="color:#36acaa">charset</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">utf-8</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Length: </span><span class="token number" style="color:#36acaa">19</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Connection: keep-alive</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF: no</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Date: Wed, </span><span class="token number" style="color:#36acaa">19</span><span class="token plain"> Jul </span><span class="token number" style="color:#36acaa">2023</span><span class="token plain"> 09:30:28 GMT</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-Content-Type-Options: nosniff</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-Powered-By: httpbun/3c0dc05883dd9212ac38b04705037d50b02f2596</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Server: APISIX/3.3.0</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token number" style="color:#36acaa">404</span><span class="token plain"> page not found</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><p>Normal requests are still reachable when the match condition is met:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> -H </span><span class="token string" style="color:#e3116c">"Host: httpbun.org"</span><span class="token plain"> -H </span><span class="token string" style="color:#e3116c">"waf: true"</span><span class="token plain"> http://127.0.0.1:9080/get -i</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">HTTP/1.1 </span><span class="token number" style="color:#36acaa">200</span><span class="token plain"> OK</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Type: application/json</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Length: </span><span class="token number" style="color:#36acaa">427</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Connection: keep-alive</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF-TIME: </span><span class="token number" style="color:#36acaa">2</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF-STATUS: </span><span class="token number" style="color:#36acaa">200</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF: </span><span class="token function" style="color:#d73a49">yes</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF-ACTION: pass</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Date: Wed, </span><span class="token number" style="color:#36acaa">19</span><span class="token plain"> Jul </span><span class="token number" style="color:#36acaa">2023</span><span class="token plain"> 09:29:58 GMT</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-Powered-By: httpbun/3c0dc05883dd9212ac38b04705037d50b02f2596</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Server: APISIX/3.3.0</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"args"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"headers"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Accept"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"*/*"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Connection"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"close"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Host"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"httpbun.org"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"User-Agent"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"curl/8.1.2"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Waf"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"true"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-For"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"127.0.0.1"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-Host"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"httpbun.org"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-Port"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"9080"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Forwarded-Proto"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"http"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"X-Real-Ip"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"127.0.0.1"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"method"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"GET"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"origin"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"127.0.0.1, 122.231.76.178"</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token string" style="color:#e3116c">"url"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"http://httpbun.org/get"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">}</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><p>Potential attack requests will be intercepted and returned a 403 error:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> -H </span><span class="token string" style="color:#e3116c">"Host: httpbun.org"</span><span class="token plain"> -H </span><span class="token string" style="color:#e3116c">"waf: true"</span><span class="token plain"> http://127.0.0.1:9080/getid</span><span class="token operator" style="color:#393A34">=</span><span class="token number" style="color:#36acaa">1</span><span class="token plain">%20AND%201</span><span class="token operator" style="color:#393A34">=</span><span class="token number" style="color:#36acaa">1</span><span class="token plain"> -i</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">HTTP/1.1 </span><span class="token number" style="color:#36acaa">403</span><span class="token plain"> Forbidden</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Date: Wed, </span><span class="token number" style="color:#36acaa">19</span><span class="token plain"> Jul </span><span class="token number" style="color:#36acaa">2023</span><span class="token plain"> 09:29:06 GMT</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Content-Type: text/plain</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"> </span><span class="token assign-left variable" style="color:#36acaa">charset</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">utf-8</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Transfer-Encoding: chunked</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Connection: keep-alive</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF: </span><span class="token function" style="color:#d73a49">yes</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF-TIME: </span><span class="token number" style="color:#36acaa">2</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF-ACTION: reject</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">X-APISIX-CHAITIN-WAF-STATUS: </span><span class="token number" style="color:#36acaa">403</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Server: APISIX/3.3.0</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">Set-Cookie: sl-session</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">UdywdGL+uGS7q8xMfnJlbQ</span><span class="token operator" style="color:#393A34">==</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"> </span><span class="token assign-left variable" style="color:#36acaa">Domain</span><span class="token operator" style="color:#393A34">=</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"> </span><span class="token assign-left variable" style="color:#36acaa">Path</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">/</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"> Max-Age</span><span class="token operator" style="color:#393A34">=</span><span class="token number" style="color:#36acaa">86400</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">{</span><span class="token string" style="color:#e3116c">"code"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">403</span><span class="token plain">, </span><span class="token string" style="color:#e3116c">"success"</span><span class="token plain">:false, </span><span class="token string" style="color:#e3116c">"message"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"blocked by Chaitin SafeLine Web Application Firewall"</span><span class="token plain">, </span><span class="token string" style="color:#e3116c">"event_id"</span><span class="token builtin class-name">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"51a268653f2c4189bfa3ec66afbcb26d"</span><span class="token punctuation" style="color:#393A34">}</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="delete-plugin"></a>Delete Plugin<a class="hash-link" href="#delete-plugin" title="Direct link to heading">#</a></h2><p>To remove the <code>chaitin-waf</code> plugin, you can delete the corresponding JSON configuration from the Plugin configuration. |
| APISIX will automatically reload and you do not have to restart for this to take effect:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token plain">$ </span><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/routes/1 -H </span><span class="token string" style="color:#e3116c">"X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">"</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">'</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">{</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "uri": "/*",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "upstream": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "type": "roundrobin",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "nodes": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "httpbun.org:80": 1</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="/edit#https://github.com/apache/apisix/edit/release/3.11/docs/en/latest/plugins/chaitin-waf.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_mt2f"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" 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