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SOAP Service, SSL and ISA 2006 - 2.Oct.2008 5:48:56 AM

patka

Posts: 1
Joined: 2.Oct.2008
Status: offline

Hello all,

I hope this is the right group to post to, if not please correct me.

I have worked with firewalls before but basically only with Iptables on Linux, therefore I am quite new to ISA Server. I read some documentation about the concepts but I did not yet find any particular documentation that could help me with my problem.

I have to setup a client,server application where the server system is behind an ISA server and provides web services that are consumed by the clients. On the other way around the clients provide web services too, that are consumed by the server (e.g. for monitoring).

Everything works fine if I use unsecured connections but as soon as I want to use SSL certificates for encrypted connections I have problems with ISA acting as the reverse proxy.

Acting as a reverse proxy the ISA server changes the request, so that it looks to the server that the ISA server initiated the request. So far so good, the problem is that the SOAP Message is not changed and therefore the source of the Web request differs from the source address that is provided in the SOAP request. Therefore the Windows Communication Foundation API throws an exception that this request will not be dealt with for security reasons.

Has anyone an idea how to solve this or has a source of documentation that could help me with this problem? I appreciate every help. I don't need a step by step turotial but some hints how this is done would be really helpfull.

Thanks in advance,
Patrick