| #!/bin/sh |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| # Generate a minimal mod-security configuration. |
| here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here` |
| mkdir -p $1 |
| root=`echo "import os; print os.path.realpath('$1')" | python` |
| |
| modules_prefix=`cat $here/httpd-modules.prefix` |
| modsecurity_prefix=`cat $here/modsecurity.prefix` |
| |
| mkdir -p $root/tmp |
| |
| cat >>$root/conf/modules.conf <<EOF |
| # Generated by: mod-security-conf $* |
| # Load support for mod-security |
| LoadModule unique_id_module ${modules_prefix}/modules/mod_unique_id.so |
| LoadModule security2_module $modsecurity_prefix/lib/mod_security2.so |
| |
| EOF |
| |
| cat >>$root/conf/httpd.conf <<EOF |
| # Generated by: mod-security-conf $* |
| # Enable mod-security |
| Include conf/mod-security.conf |
| |
| EOF |
| |
| cat >$root/conf/mod-security.conf <<EOF |
| # Generated by: mod-security-conf $* |
| # Enable mod-security rules |
| SecRuleEngine On |
| SecDefaultAction "phase:2,pass,nolog,auditlog" |
| |
| #SecDebugLog $root/logs//modsec_debug_log |
| #SecDebugLogLevel 3 |
| |
| # Process request bodies |
| SecRequestBodyAccess Off |
| SecRule REQUEST_HEADERS:Content-Type "text/xml" "phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML" |
| SecRule REQUEST_HEADERS:Content-Type "application/xml" "phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML" |
| SecRequestBodyLimit 13107200 |
| SecRequestBodyNoFilesLimit 131072 |
| SecRequestBodyInMemoryLimit 131072 |
| SecRequestBodyLimitAction Reject |
| |
| # Verify that we've correctly processed the request body |
| SecRule REQBODY_ERROR "!@eq 0" "phase:2,t:none,log,deny,status:400,msg:'Failed to parse request body.',logdata:'%{reqbody_error_msg}',severity:2" |
| |
| # By default be strict with what we accept in multipart/form-data request body |
| SecRule MULTIPART_STRICT_ERROR "!@eq 0" "phase:2,t:none,log,deny,status:44,msg:'Multipart request body failed strict validation: \ |
| PE %{REQBODY_PROCESSOR_ERROR}, \ |
| BQ %{MULTIPART_BOUNDARY_QUOTED}, \ |
| BW %{MULTIPART_BOUNDARY_WHITESPACE}, \ |
| DB %{MULTIPART_DATA_BEFORE}, \ |
| DA %{MULTIPART_DATA_AFTER}, \ |
| HF %{MULTIPART_HEADER_FOLDING}, \ |
| LF %{MULTIPART_LF_LINE}, \ |
| SM %{MULTIPART_SEMICOLON_MISSING}, \ |
| IQ %{MULTIPART_INVALID_QUOTING}, \ |
| IH %{MULTIPART_INVALID_HEADER_FOLDING}, \ |
| IH %{MULTIPART_FILE_LIMIT_EXCEEDED}'" |
| |
| # Did we see anything that might be a boundary? |
| SecRule MULTIPART_UNMATCHED_BOUNDARY "!@eq 0" "phase:2,t:none,log,deny,status:44,msg:'Multipart parser detected a possible unmatched boundary.'" |
| |
| # Avoid a potential RegEx DoS condition |
| SecPcreMatchLimit 50000 |
| SecPcreMatchLimitRecursion 50000 |
| SecRule TX:/^MSC_/ "!@streq 0" "phase:2,t:none,deny,msg:'ModSecurity internal error flagged: %{MATCHED_VAR_NAME}'" |
| |
| # Detect slow DoS attacks |
| SecRule RESPONSE_STATUS "@streq 408" "phase:5,t:none,nolog,pass, setvar:ip.slow_dos_counter=+1,expirevar:ip.slow_dos_counter=60" |
| SecRule IP:SLOW_DOS_COUNTER "@gt 5" "phase:1,t:none,log,drop, msg:'Client Connection Dropped due to high # of slow DoS alerts'" |
| SecWriteStateLimit 50 |
| |
| # Process response bodies |
| SecResponseBodyAccess Off |
| SecResponseBodyMimeType text/plain text/html text/xml application/xml |
| SecResponseBodyLimit 524288 |
| SecResponseBodyLimitAction ProcessPartial |
| |
| # The location where mod-security stores temporary files |
| SecTmpDir $root/tmp/ |
| SecDataDir $root/tmp/ |
| |
| # Use & as application/x-www-form-urlencoded parameter separator |
| SecArgumentSeparator & |
| |
| # Settle on version 0 (zero) cookies. |
| SecCookieFormat 0 |
| |
| # Enable anomaly scoring |
| SecAction "phase:1,id:'981206',t:none,nolog,pass,setvar:tx.anomaly_score_blocking=on" |
| SecAction "phase:1,id:'981207',t:none,nolog,pass, \ |
| setvar:tx.critical_anomaly_score=5, \ |
| setvar:tx.error_anomaly_score=4, \ |
| setvar:tx.warning_anomaly_score=3, \ |
| setvar:tx.notice_anomaly_score=2" |
| SecAction "phase:1,id:'981208',t:none,nolog,pass,setvar:tx.inbound_anomaly_score_level=10" |
| SecAction "phase:1,id:'981209',t:none,nolog,pass,setvar:tx.outbound_anomaly_score_level=8" |
| |
| # Paranoid mode |
| SecAction "phase:1,id:'981210',t:none,nolog,pass,setvar:tx.paranoid_mode=0" |
| |
| # HTTP policy settings |
| SecAction "phase:1,id:'981211',t:none,nolog,pass,setvar:tx.max_num_args=255" |
| SecAction "phase:1,t:none,nolog,pass,setvar:tx.arg_name_length=100" |
| SecAction "phase:1,t:none,nolog,pass,setvar:tx.arg_length=400" |
| SecAction "phase:1,t:none,nolog,pass,setvar:tx.total_arg_length=64000" |
| SecAction "phase:1,t:none,nolog,pass,setvar:tx.max_file_size=1048576" |
| SecAction "phase:1,t:none,nolog,pass,setvar:tx.combined_file_sizes=1048576" |
| SecAction "phase:1,id:'981212',t:none,nolog,pass, \ |
| setvar:'tx.allowed_methods=GET HEAD POST PUT OPTIONS DELETE CONNECT', \ |
| setvar:'tx.allowed_request_content_type=application/x-www-form-urlencoded multipart/form-data text/xml application/xml application/json application/json-rpc application/atom+xml', \ |
| setvar:'tx.allowed_http_versions=HTTP/0.9 HTTP/1.0 HTTP/1.1', \ |
| setvar:'tx.restricted_extensions=.asa/ .asax/ .ascx/ .axd/ .backup/ .bak/ .bat/ .cdx/ .cer/ .cfg/ .cmd/ .com/ .config/ .conf/ .cs/ .csproj/ .csr/ .dat/ .db/ .dbf/ .dll/ .dos/ .htr/ .htw/ .ida/ .idc/ .idq/ .inc/ .ini/ .key/ .licx/ .lnk/ .log/ .mdb/ .old/ .pass/ .pdb/ .pol/ .printer/ .pwd/ .resources/ .resx/ .sql/ .sys/ .vb/ .vbs/ .vbproj/ .vsdisco/ .webinfo/ .xsd/ .xsx/', \ |
| setvar:'tx.restricted_headers=/Proxy-Connection/ /Lock-Token/ /Content-Range/ /Translate/ /via/ /if/'" |
| |
| # Brute force protection |
| SecAction "phase:1,id:'981214',t:none,nolog,pass, \ |
| setvar:'tx.brute_force_protected_urls=/login', \ |
| setvar:'tx.brute_force_burst_time_slice=60', \ |
| setvar:'tx.brute_force_counter_threshold=10', \ |
| setvar:'tx.brute_force_block_timeout=300'" |
| |
| # DoS protection |
| SecAction "phase:1,id:'981215',t:none,nolog,pass, \ |
| setvar:'tx.dos_burst_time_slice=60', \ |
| setvar:'tx.dos_counter_threshold=100', \ |
| setvar:'tx.dos_block_timeout=600'" |
| |
| # Check UTF-8 encoding |
| SecAction "phase:1,id:'981216',t:none,nolog,pass,setvar:tx.crs_validate_utf8_encoding=1" |
| |
| # Global and IP collections |
| SecRule REQUEST_HEADERS:User-Agent "^(.*)$" "phase:1,id:'981217',t:none,pass,nolog,t:sha1,t:hexEncode,setvar:tx.ua_hash=%{matched_var}" |
| SecRule REQUEST_HEADERS:x-forwarded-for "^\b(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\b" "phase:1,id:'981225',t:none,pass,nolog,capture,setvar:tx.real_ip=%{tx.1}" |
| SecRule &TX:REAL_IP "!@eq 0" "phase:1,id:'981226',t:none,pass,nolog,initcol:global=global,initcol:ip=%{tx.real_ip}_%{tx.ua_hash}" |
| SecRule &TX:REAL_IP "@eq 0" "phase:1,id:'981218',t:none,pass,nolog,initcol:global=global,initcol:ip=%{remote_addr}_%{tx.ua_hash}" |
| |
| # Include all base mod-security CRS rules |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_20_protocol_violations.conf |
| #Include ${modsecurity_prefix}/base_rules/modsecurity_crs_41_xss_attacks.conf |
| #Include ${modsecurity_prefix}/base_rules/modsecurity_crs_50_outbound.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_35_bad_robots.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_47_common_exceptions.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_60_correlation.conf |
| #Include ${modsecurity_prefix}/base_rules/modsecurity_crs_40_generic_attacks.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_21_protocol_anomalies.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_30_http_policy.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_49_inbound_blocking.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_41_sql_injection_attacks.conf |
| #Include ${modsecurity_prefix}/base_rules/modsecurity_crs_45_trojans.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_59_outbound_blocking.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_23_request_limits.conf |
| Include ${modsecurity_prefix}/base_rules/modsecurity_crs_42_tight_security.conf |
| |
| # Include some optional mod-security CRS rules |
| #Include ${modsecurity_prefix}/optional_rules/modsecurity_crs_10_ignore_static.conf |
| #Include ${modsecurity_prefix}/optional_rules/modsecurity_crs_13_xml_enabler.conf |
| #Include ${modsecurity_prefix}/optional_rules/modsecurity_crs_25_cc_known.conf |
| #Include ${modsecurity_prefix}/optional_rules/modsecurity_crs_42_comment_spam.conf |
| #Include ${modsecurity_prefix}/optional_rules/modsecurity_crs_47_skip_outbound_checks.conf |
| #Include ${modsecurity_prefix}/optional_rules/modsecurity_crs_55_application_defects.conf |
| |
| EOF |
| |
