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174 Lotus Security Handbook<br />

For more information<br />

More information on configuring Domino for use behind a reverse proxy can be<br />

found in the Lotus Developer Domain article “Configuring iNotes Web Access<br />

with a WebSphere Edge reverse proxy server.” This article can be found on the<br />

LDD web site at:<br />

http://www-10.lotus.com/ldd/today.nsf/62f62847467a8f78052568a80055b380/ff0e8350<br />

68e03c3685256cda0054a213?OpenDocument&Highlight=0,reverse,proxy<br />

5.5 Lotus Sametime 3.1 proxy support<br />

While other Lotus technologies have supported reverse proxy infrastructures all<br />

along, this support just started for Lotus Instant Messaging and Web<br />

Conferencing (Sametime) with version 3.1. This section discusses the specific<br />

issues related to using reverse HTTP proxy servers with a Sametime 3.1 server<br />

because the issues are more complex and involved than with the other Lotus<br />

technologies we have discussed so far.<br />

More details on the reverse proxy support in Sametime 3.1 can be found in the<br />

Sametime 3.1 Administrators Guide that is part of the product documentation.<br />

Product documentation is available from the Lotus Developers Domain:<br />

http://www.lotus.com/ldd<br />

5.5.1 Overview of Sametime 3.1 proxy support<br />

When a Sametime 3.1 server is deployed on an internal network behind a<br />

reverse proxy server, the reverse proxy server operates as an intermediary<br />

between the Sametime server and the Sametime clients. All Sametime data<br />

flowing between the Sametime server and its clients passes through the reverse<br />

proxy server.<br />

To accomplish its security objectives, a reverse proxy server manipulates the<br />

data that passes through it. The manipulation of Sametime data by the reverse<br />

proxy server imposes specific requirements and limitations on the use of reverse<br />

proxy servers with the Sametime server. That is, only certain types of proxy<br />

servers are supported, and only certain types of proxy features may be enabled.<br />

5.5.2 Reverse proxy server requirements<br />

This section lists the requirements that a reverse proxy server must meet to be<br />

utilized with Sametime 3.1.

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