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| Telnet Console |
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| <DIV class="panelMacro"><TABLE class="noteMacro"><COLGROUP><COL width="24"><COL></COLGROUP><TR><TD valign="top"><IMG src="https://cwiki.apache.org/confluence/images/icons/emoticons/warning.gif" width="16" height="16" align="absmiddle" alt="" border="0"></TD><TD>Availability: Since OpenEJB 0.9</TD></TR></TABLE></DIV> |
| |
| <H1><A name="TelnetConsole-BasicUsage"></A>Basic Usage</H1> |
| |
| <P>To use OpenEJB's Telnet Console, simply boot your server normally.</P> |
| |
| <BLOCKQUOTE> |
| <P>$ ./bin/openejb start</P></BLOCKQUOTE> |
| |
| <DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent"> |
| <PRE>OPENEJB_HOME=/Users/dblevins/Desktop/openejb-1.0 |
| OpenEJB 1.0 build: 20060226-1701 |
| http://www.openejb.org |
| resources 1 |
| OpenEJB ready. |
| [init] OpenEJB Remote Server |
| ** Starting Services ** |
| NAME IP PORT |
| webadmin 0.0.0.0 4203 |
| httpejbd 0.0.0.0 4204 |
| telnet 0.0.0.0 4202 |
| ejbd 0.0.0.0 4201 |
| admin 0.0.0.0 4200 |
| ------- |
| Ready! |
| </PRE> |
| </DIV></DIV> |
| |
| |
| <P>Then in another shell telnet in </P> |
| |
| <BLOCKQUOTE> |
| <P>$ telnet localhost 4202</P></BLOCKQUOTE> |
| <DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent"> |
| <PRE>Trying ::1... |
| Connected to localhost. |
| Escape character is '^]'. |
| OpenEJB Remote Server Console |
| type 'help' for a list of commands |
| [openejb]$ help |
| stop |
| exit |
| system |
| version |
| lookup |
| help |
| [openejb]$ system |
| Containers: |
| Default BMP Container |
| Default CMP Container |
| Default Stateful Container |
| Default Stateless Container |
| |
| Deployments: |
| client/tests/stateful/EncBean |
| client/tests/entity/cmp/RMI-over-IIOP/EJBHome |
| client/tests/stateful/BasicStatefulHome |
| ClientTools/ViewClass |
| Webadmin/Configuration |
| EJBGenerator/CreateEJB |
| ClientTools/InvokeObject |
| Webadmin/Properties |
| client/tests/stateful/RMI-over-IIOP/EJBHome |
| Webadmin/Home |
| client/tests/entity/bmp/allowed_operations/EntityHome |
| client/tests/entity/cmp/EncBean |
| httpd/DefaultBean |
| client/tests/stateful/BeanManagedBasicStatefulHome |
| client/tools/DatabaseHome |
| client/tests/entity/bmp/EncBean |
| config/webadmin/ConfigurationData |
| deploy/webadmin/Deployer |
| ClientTools/ViewJndi |
| Webadmin/DeploymentList |
| client/tests/stateless/BeanManagedBasicStatelessHome |
| Webadmin/CMPMapping |
| client/tests/stateless/EncBean |
| client/tests/stateful/BeanManagedTransactionTests/EJBHome |
| client/tests/entity/bmp/RMI-over-IIOP/EJBHome |
| Webadmin/ListLogs |
| client/tests/stateless/BeanManagedTransactionTests/EJBHome |
| ClientTools/ViewEjb |
| client/tests/entity/bmp/BasicBmpHome |
| mapping/webadmin/CMPMappingData |
| client/tests/stateless/BasicStatelessHome |
| client/tests/entity/cmp/BasicCmpHome |
| Webadmin/Deployment |
| httpd/session |
| client/tests/entity/cmp/allowed_operations/EntityHome |
| client/tests/stateless/RMI-over-IIOP/EJBHome |
| [openejb]$ exit |
| Connection closed by foreign host. |
| </PRE> |
| </DIV></DIV> |
| |
| <H1><A name="TelnetConsole-ConfiguringtheTelnetService"></A>Configuring the Telnet Service</H1> |
| |
| <P>The configuration of all server services (network facing services) is done in xinet.d style config files. The telnet shell is controlled via the $OPENEJB_HOME/conf/telnet.properties file. This file is created for you automatically after the first time OpenEJB boots.</P> |
| |
| <BLOCKQUOTE> |
| <P>$ cat conf/telnet.properties </P></BLOCKQUOTE> |
| <DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent"> |
| <PRE> server = org.openejb.server.telnet.TelnetServer |
| bind = 127.0.0.1 |
| port = 4202 |
| disabled = false |
| threads = 5 |
| # only_from = 192.168.1.123 |
| </PRE> |
| </DIV></DIV> |
| |
| <P>You can change the IP, port, and even the number of threads allowed to concurrently access the Telnet service via this file.</P> |
| |
| <H1><A name="TelnetConsole-DisablingtheTelnetService"></A>Disabling the Telnet Service</H1> |
| |
| <P>Simply edit the config file and set 'disabled' to true</P> |
| |
| <DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent"> |
| <PRE> disabled = true |
| </PRE> |
| </DIV></DIV> |
| |
| <P>Then restart OpenEJB.</P> |
| |
| <H1><A name="TelnetConsole-RestrictingAccess"></A>Restricting Access</H1> |
| |
| <P>It is unlikely you want just anyone to be able to login and execute commands. While you can't restrict access on a user basis, yet, you can restrict access to specific hosts. Host based access control (HBA) is a built-in part of any Server Service in OpenEJB and the Telnet Service is no different. This is done with the 'only_from' property, which like the rest of the file is a direct copy of the xinet.d syntax for HBA. </P> |
| |
| <P>For an example to restrict access to the localhost, you could configure the Telnet Service like this:</P> |
| |
| <DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent"> |
| <PRE> server = org.openejb.server.telnet.TelnetServer |
| bind = 127.0.0.1 |
| port = 4202 |
| disabled = false |
| threads = 5 |
| only_from = localhost |
| </PRE> |
| </DIV></DIV> |
| |
| <P>If you wanted to restrict access to localhost <B>and</B> say the hosts 192.168.1.207 and 192.168.1.16, you can simply add them to the list.</P> |
| |
| <DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent"> |
| <PRE> server = org.openejb.server.telnet.TelnetServer |
| bind = 127.0.0.1 |
| port = 4202 |
| disabled = false |
| threads = 5 |
| only_from = localhost, 192.168.1.207, 192.168.1.16 |
| </PRE> |
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