I am pretty sure you might have had the requirement to unprotect certain URI context in an application URL using OAM. This is in regards to OAM 10.1.4.3. The usual procedure to unprotect an URI context is to define the resource in OAM Policy Domain. Create a separate policy for that URI and specify Anonymous authentication scheme and corresponding authorization policy.
Although traditional OAM authentication is not performed, the authentication check and authorization calls to OAM happens and thus performance will impact.
The simple alternative is to avoid calls to OAM Webgate within http directives. When a webgate is installed on Apache Web Server (say), then webgate configurations will be updated in httpd.conf file which includes LocationMatch element as shown below:
The above line tells WebGate to intercept the calls with root URL “/”. To unprotect a specific URI context say “public” with URL of the format say http://app:port/public then we can define LocationMatch element as shown below.
Restart the http server. Then access the URL and see that anonymous calls to OAM will not happen and it greatly improves performance.
You can play around this feature 🙂
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