OHS Webtier 11.1.1.5 reverse proxy to OWA

Hi,
I am trying to create a reverse proxy to OWA (Microsoft Exchange) https but to no avail.
As you can see the code below:
<Location /owa>
ProxyPass https://10.6.145.64/owa
ProxyPassReverse https://10.6.145.64/owa
#Redirect / https://10.6.145.64/
</Location>
Redirect is working but Reverse proxy is not working. Are there any additionals code needed to make it works?
I am actually setting up SSO for OWA but I have no idea how to configure this part. :(
Please help.

"And what is it about the ip it's pointing to in the opmn log. "216.8.179.25,6700: BIND (Cannot assign requested address)"?
The IP 216.8.179.25 is probably some internal address that is found when it was unable to find the 127.0.0.1 loopback.
Could be this address is found through the virtualization platform (which usually installs some network adapters on the system) - if you are using virtualization, otherwise
you have to check with you network administrators, and see if they can make something the IP you were getting.
"But i am not sure as to why / how this has happenned."
We had the same problems (were using DHCP) - with 11.1.1.2 no problems. With a patch to 11.1.1.5 it broke down - I think it is a bug in OPMN (the 11.1.1.5 version).
But to be sure it is a bug, you better check with Oracle Support, maybe they can shed a light on this. There are no known issues mentioned in the 11.1.1.5 release notes
- http://docs.oracle.com/cd/E21764_01/doc.1111/e14770/partpage3.htm#sthref17

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Pls go through the following points and suggest.
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In case anyone finds this, this is how I got it all working:
In httpd.conf for the Apache reverse proxy:
ProxyPreserveHost On
RewriteEngine On
RewriteRule ^/reports/(.*) http://hostname:8890/reports/$1 [P]
ProxyPassReverse /reports http://hostname:8890/reports
RewriteRule ^/(.*) http://hostname:8888/$1 [P]
ProxyPassReverse / http://hostname:8888/In the Portal OHS's httpd.conf:
NameVirtualHost *:7777
<VirtualHost *:7777>
     ServerName https://hostname
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     RewriteOptions inherit
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     OssoIpCheck off
     OssoSecureCookies off
     OssoIdleTimeout off
</VirtualHost>In the reports server's httpd.conf:
NameVirtualHost *:8890
<VirtualHost *:8890>
     ServerName https://hostname
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     RewriteOptions inherit
     UseCanonicalName On
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Reports 11.1.1.3 doesn't work correctly behind reverse proxy:
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Non-Oracle Apache as Front-end/reverse proxy?

Hi,
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We have an existing OID instance, using the Apache 1.3-based OHS, and up till now, users have been accessing the OID/OIDDAS web-interface directly, e.g., by going to http:<hostname>:7777/oiddas, then signing in.
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We tried adding the <Location> sections to the Apache 2.x reverse proxy, e.g.:
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I just stood up a new test instance of 10gAS (only one I had the install files for), and I can access the oiddas via port 7777, i.e., http://<hostname>:7777/oiddas.
I setup a reverse-proxy to it on a separate Apache 2.x instance, and it looks like at least part of the problem is that when I access via the proxy, the 10gAS sends back redirects (HTTP 302) responses with Location headers with the original <10gAS_hostname>:7777.
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Jim

How to enable Reverse Proxy in Oracle HTTP Server ?

What modules need to Loaded? What configure need to be done to enable Reverse Proxy in OHS.
I tried many times but impossible to enable it.

I have done it!
after follow this guide :D
http://mjohal.wordpress.com/2007/01/17/configuring-reverse-proxy-in-front-of-oracleas-10g-sso/

Example of a successful reverse proxy to APEX using Apache and Oracle HTTP

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documentation on this that I can find. Oracle Metalink could not produce any "How To" document either.
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ProxyPass /pls/apex/ http://apex_server:8080/pls/apex/
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AddType text/x-component .htc
OR
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ServerAdmin [email protected]
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Here is what I saw :
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<Object name="default">
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NameTrans fn="map" from="/" name="reverse-proxy-/xyz" to="/"
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/abc/test1.html : the request gets served from server1 from docs/abc/test1.html.
/xyz/test2.html : the request gets served from server2 from docs/xyz/test2.html
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<Object name="default">
<If $uri =~ "/xyz">
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<ElseIf $uri =~ "/abc">
NameTrans fn="map" from="/abc" name="reverse-proxy-/abc" to="/"
</ElseIf>
</Object>
<Object ppath="*">
Service fn="proxy-retrieve" method="*"
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<Object name="reverse-proxy-/abc">
Route fn="set-origin-server" server="http://server1:80"
</Object>
<Object name="reverse-proxy-/xyz">
Route fn="set-origin-server" server="http://server2:80"
</Object> ...In this case when I send a request to URI :
/abc/test1.html : the request gets served from server1 from docs/test1.html.
/xyz/test2.html : the request gets served from server2 from docs/test2.html.

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well, technology preview is what the name says .. i am surprised that u decided to stick with a technology preview release all these days.. in any case, there should not have any feature change between technology preview build and U4. but , there has been lot of bug fixes - so, unless we know the exact problem - we can't easily narrow down the change between tp3 build with U4 and find out how it is affecting u.
here is a related article on how to use chunked encoding within web server 7
http://developers.sun.com/webtier/reference/techart/chunked_req.html
now, to help you more appropriately, you need to provide us with errors (probably with log level set to finest within server.xml) and let us know with the error reported by web server when it is unable to send those requests to back end tomcat
you can set log level to finest by running the following command
/sun/webserver7/bin/wadm set-config-prop -user=admin --config=<hostname> log-level=finest
/sun/webserver7/bin/wadm deploy-config --user=admin <hostname>
http://docs.sun.com/app/docs/doc/820-4842/set-config-prop-1?a=view
(once you have identified the problem, you might want to set log level to info as setting to finest will cause your logs to grow humongous and also hurt performance
thanks
sriram

OAM- Apache Reverse Proxy issue when Form Authenticaion is used

Hi All,
Customer is using Apache 2.0.65 as a reverse proxy server. OAM has been integrated with OAS. A WebGate has been installed on OHS in infra.
When a protected resource (portal) is accessed, a login form appears. After entering the correct credentials, it does not go to the resource, instead gives displays some Header Variables on the Browser, instead of actual resource.
This happens only when a resource is protected with Form Authentication Scheme and while using with reverse proxy. The same Form Authentication scheme works without reverse proxy. With Basic LDAP Authentication, the same resource perfectly works even when reverse proxy is used.
Any suggestions?
Thanks in advance.
Regards,
Amol

Hi Amol,
Check the passthrough parameter in your form scheme. If this is set to yes, what you are asking OAM to do is to pass through to the form action instead of the URL the user originally requested. I know this still does not explain why things work when the reverse proxy is not used - but it might make sense if you actually have 2 form schemes and when you access the resource via the reverse proxy, the policy domain/policy in question actually invokes the scheme which has passthrough enabled. You could ascertain this via the access tester by trying the reverse-proxied URL and direct URL.
-Vinod

Doubts regarding reverse proxy in DMZ

Hi,
We are going to implement DMZ in a test environment following the metalink note:287176.1.
We have two sun servers so we have chosen Section 2.2(Fig 4) of 287176.1 as our deployment architecture.
The steps we are going to follow are:
1.Install Oracle Applications 11.5.10.2 in internal server.
2.Clone the application to external server.
3.Open the following ports:
80,443 in the external firewall and 1521 in the data firewall.
4.Follow steps from section 5.1,5.2,5.3,5.4 of 287176.1.
5.Configure the URL firewal specific to the product that we want to expose for external use.
Can someone please validate the above steps.
Also please clarify the following doubts:
1.Do we need a seperate external URL and domain to access the application from internet??
If yes then this domain and URL mapping is done in which configuration file??
2.Do we need to set up a reverse proxy server also for this architecture?If yes then is it necessary to deploy another reverse proxy server in front of external web server?
Cant we configure the external web tier itself as reverse proxy??
If yes then,how do we do it using 9iAS shipped with EBS...as we dont want to use standalone Apache for this and the document 287176.1 describes the steps to use a standalone Apache in section.(.Appendix D)..
Please help...
We have been given a time frame and limited resources to implement this POC.So a response is highly appreciated..
Thanks
ex:External URL:

We have two sun servers so we have chosen Section 2.2(Fig 4) of 287176.1 as our deployment architecture.If you chose the above configuration there is no reverse proxy setup.
1.Do we need a seperate external URL and domain to access the application >>from internet?? If yes then this domain and URL mapping is done in which >>configuration file??The changes are done on the external web tier in the application context file. (s_webentryhost - set to DMZ host name
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s_active_webport - port where the host will listen to requests
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s_login_page - http(s)://webentypoint:webentrydomain:activewebport )
2.Do we need to set up a reverse proxy server also for this architecture?Again section 2.2 does not require a reverse proxy only external webhost
Please remember that the external host in DMZ runs only webtier. All the other services should be disabled.
If yes then,how do we do it using 9iAS shipped with EBSClone the AppsTier to external host. Edit the context file and disable all the processes except
<oa_process_status oa_var="s_apcstatus">enabled</oa_process_status>
Then you have a webtier running without standalone Apache.
I have recently finished configuring this setup.
Message was edited by:
bhetaal

OHS Webtier 11.1.1.5 reverse proxy to OWA

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