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Sidewinder G2 6.1.1 Administration Guide - Glossary of Technical ...

Sidewinder G2 6.1.1 Administration Guide - Glossary of Technical ...

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Sun RPC proxy considerations<br />

Notes on selected proxy configurations<br />

The RPC proxy allows you to transfer Sun RPC traffic between a client<br />

application and an RPC server on opposite sides <strong>of</strong> the <strong>Sidewinder</strong><br />

<strong>G2</strong>. This proxy listens on port 111 (the portmap process) for RPC<br />

requests and forwards them to the destination server.<br />

Both TCP and UDP traffic are supported for this proxy. However,<br />

some additional configuration may be necessary for timeout<br />

processing when proxying UDP traffic. UDP sessions remain live until<br />

the idle timeout threshold is met. Therefore, a session with a timeout<br />

value <strong>of</strong> 30 seconds will remain live for 30 seconds even though the<br />

session may have only required two seconds <strong>of</strong> processing time.<br />

Connection properties for the Sun RPC proxy are configured via<br />

Standard Application Defenses. See “Creating Standard Application<br />

Defenses” on page 6-45.<br />

Usenet News proxy configurations<br />

<strong>Sidewinder</strong> <strong>G2</strong> supports a Network News Transfer Protocol (NNTP)<br />

proxy that allows you to use a Usenet News server at your site. This<br />

allows your site to exchange news with an Internet News provider.<br />

(<strong>Sidewinder</strong> <strong>G2</strong> does not run a news server because <strong>of</strong> the large<br />

amount <strong>of</strong> disk space required.)<br />

When you set up a news server at your site, that system must run a<br />

Usenet News package such as C-News/NNTP or InterNet News (INN).<br />

You must arrange for a news “feed” from the site responsible for<br />

transferring news to/from your site. In addition, you need to provide<br />

internal users with s<strong>of</strong>tware that allows them to access the news that<br />

your site receives and post their own articles to newsgroups.<br />

Before you configure a proxy rule for Usenet News proxies, you must<br />

specify which network objects the news information can be<br />

transferred to and from. For information on network objects, see<br />

“Creating network objects” on page 5-10.<br />

Note: You cannot use the <strong>Sidewinder</strong> <strong>G2</strong> to control which newsgroups your internal users<br />

can subscribe or post to—that must be configured in the Usenet News s<strong>of</strong>tware.<br />

Configuring Proxies 8-19

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