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High Level steps for protecting Web Application with OAM 11gR2:---


1.       Install OHS or Apache. Any web server in front of your application.
2.       Do a reverse proxy of your application server with this webserver.
For OHS as web server and Weblogic as application server please change below line in mod_wl_ohs.conf file.

<Location /console>
    SetHandler weblogic-handler
    WebLogicHost server1
    WeblogicPort 7001
</Location>

This will forward /console from HTTP server to /console on WebLogic Server server1:7001.

3.       Install Webgate on the server where web server is installed.
4.       Deploy Webgate on the instance of webserver. Command is as below:
./deployWebGateInstance.sh –w /Oracle/Middleware/Oracle_WT1/instances/instance1/config/ohs1 –oh /Oracle/Middleware/Oracle_OAMWebGate1
5.       Configure Webgate by running EditHttpdConf.
./EditHttpdConf –w /Oracle/Middleware/Oracle_WT1/instances/instace1/config/OHS/ohs1 –oh /Oracle/Middleware/Oracle_OAMWebGate1 –o webgate.conf
If library path is not set then set it before running this command:
export LD_LIBRARY_PATH=$ LD_LIBRARY_PATH:/Oracle/Middleware/Oracle_WT1/lib
6.       Register Webgate.  There are 2 ways to register Web gate with OAM. Either through rreg or from admin console of OAM.
6.1               Registration with rreg:- go to
$Middleware Home$/Oracle_IDM1/oam/server/rreg/input.

Edit OAM11gRequest_short.xml  and include weblogic admin url, host identifier etc.

Go to $Middleware Home$/Oracle_IDM1/oam/server/rreg/bin

Edit oamreg.sh and set OAM_REG_HOME=$Middleware Home$/Oracle_IDM1/oam/server/rreg
Run ./oamreg.sh inband input/OAM11Grequest.xml

          6.2          Registration with OAM Console:
Create a new 11g web gate agent through Admin console of OAM. If auto create policies is checked then it will create host identifier and application domain automatically.
These authentication schemes and other values can be changed later if required to create new authentication scheme or other policies.

7.       Copying files. Any of this registration process will create 2 files ‘ObAccessClient.xml’ and ‘cWallet.sso’ inside $Middleware Home$/Oracle_IDM1/oam/server/rreg/output folder.
These files need to be copied to 
$Middleware Home$/Oracle_WT1/instances/instance1/config/ohs1/webgate/config
8.       Restart the webserver and application would be protected with the default schemes of OAM.
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