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- <TITLE>Using Proxy Servers</TITLE>
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- <A NAME="TOP"></A><A HREF="topics.htm"><img src="conbook.gif" border=0><I>Contents</I></A></P>
- <H2>Using Proxy Servers </H2>
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- <P>
- Many organizations use a <I>firewall</I> (usually a router or
- a computer) to protect their internal network from external access.
- A <I>proxy server</I> is a program, typically running on a <I>firewall
- computer</I>, that can be configured to block external access while
- permitting users behind the firewall to gain access to Internet
- resources.
- <P>
- You can specify a different proxy server for HTTP, gopher, and
- FTP protocols.
- <P>
- <A NAME="PROXY"><B>To set up proxy servers</B> <BR>
- </A>
- <OL>
- <LI>From the View menu, choose Options. <BR>
-
- <LI>Choose the Proxy tab, if necessary. <BR>
-
- <LI>For each Proxy field, type the domain name (or IP address)
- and port number of the proxy server you are using. See your Internet
- access provider or system administrator for details. <BR>
-
- <LI>Choose OK.
- </OL>
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- <P><BR>
- <A NAME="BYPASS"><B>To bypass proxy servers</B> <BR>
- </A>
- <OL>
- <LI>From the View menu, choose Options. <BR>
-
- <LI>Choose the Proxy tab, if necessary. <BR>
-
- <LI>In the Bypass Proxy On box, specify the IP addresses, domain
- names, and ports that should be accessed directly without using
- a proxy server. Separate entries with commas. For example: <BR>
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- <P>
- <TABLE>
- <TR><TD width=350><B>To directly access</B></TD><TD width=300><B>Enter this</B>
- </TD></TR>
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- <TR><TD width=300>www.name.com</TD><TD width=300>www.name.com</TD></TR>
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- <TR><TD width=300>Only port 80 of www.name.com</TD><TD width=300>www.name.com:80
- </TD></TR>
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- <TR><TD width=300>Any computer in the name.com domain</TD><TD width=300>name.com
- </TD></TR>
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- <TR><TD width=300>Port 80 of any computer </TD><TD width=300>:80</TD></TR>
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- <TR><TD width=300>Computers inside the name.com domain and port 80 of any computer
- </TD><TD width=300>name.com, :80</TD></TR>
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- <TR><TD width=300>Computers inside your local firewall
- </TD><TD width=300><local></TD></TR>
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- </TABLE>
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- <LI>Choose OK.
- </OL>
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