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122 lines
3.8 KiB
HTML
122 lines
3.8 KiB
HTML
<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<title>Shorewall Port Information</title>
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<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
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<meta name="ProgId" content="FrontPage.Editor.Document">
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</head>
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<body>
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<table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%" id="AutoNumber1" bgcolor="#400169" height="90">
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<tr>
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<td width="100%">
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<h1 align="center"><font color="#FFFFFF">Ports required for Various Services/Applications</font></h1>
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</td>
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</tr>
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</table>
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<p>In addition to those applications described in <a href="Documentation.htm">the
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/etc/shorewall/rules documentation</a>, here are some other
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services/applications that you may need to configure your firewall to accommodate.</p>
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<p>NTP (Network Time Protocol)</p>
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<blockquote>
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<p>UDP Port 123</p>
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</blockquote>
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<p>rdate</p>
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<blockquote>
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<p>TCP Port 37</p>
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</blockquote>
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<p>UseNet (NNTP)</p>
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<blockquote>
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<p>TCP Port 119</p>
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</blockquote>
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<p>DNS</p>
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<blockquote>
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<p>UDP Port 53. If you are configuring a DNS client, you will probably want to
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open TCP Port 53 as well.<br>
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If you are configuring a server, only open TCP Port 53 if you will return long
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replies to queries or if you need to enable ZONE transfers. In the latter
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case, be sure that your server is properly configured.</p>
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</blockquote>
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<p>ICQ </p>
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<blockquote>
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<p>UDP Port 4000. You will also need to open a range of TCP ports which you
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can specify to your ICQ client. By default, clients use 4000-4100.</p>
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</blockquote>
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<p>PPTP</p>
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<blockquote>
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<p><u>Protocol</u> 47 (NOT <u>port</u> 47) and TCP Port 1723 (<a href="PPTP.htm">Lots more
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information here</a>).</p>
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</blockquote>
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<p>IPSEC</p>
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<blockquote>
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<p><u>Protocols</u> 50 and 51 (NOT <u>ports</u> 50 and 51) and UDP Port 500.
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These should be opened in both directions.</p>
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</blockquote>
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<p>SMTP</p>
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<blockquote>
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<p> TCP Port 25.</p>
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</blockquote>
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<p>POP3</p>
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<blockquote>
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<p>TCP Port 110.</p>
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</blockquote>
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<p>TELNET</p>
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<blockquote>
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<p>TCP Port 23.</p>
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</blockquote>
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<p>SSH</p>
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<blockquote>
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<p>TCP Port 22.</p>
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</blockquote>
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<p>Auth (identd)</p>
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<blockquote>
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<p>TCP Port 113</p>
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</blockquote>
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<p>Web Access</p>
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<blockquote>
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<p>TCP Ports 80 and 443.</p>
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</blockquote>
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<p>FTP</p>
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<blockquote>
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<p>Server configuration is covered on in <a href="Documentation.htm#Rules">the
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/etc/shorewall/rules documentation</a>,</p>
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<p>For a client, you must open outbound TCP port 21 and be sure that your
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kernel is compiled to support FTP connection tracking. If you build this
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support as a module, Shorewall will automatically load the module from
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/var/lib/<<i>kernel version</i>>/kernel/net/ipv4/netfilter. </p>
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</blockquote>
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<p>SMB/NMB (Samba/Windows Browsing/File Sharing)</p>
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<blockquote>
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<p>TCP Ports 137, 139 and 445.<br>
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UDP Ports 137-139.<br>
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<br>
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Also, <a href="samba.htm">see this page</a>.</p>
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</blockquote>
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<p>Traceroute</p>
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<blockquote>
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<p>UDP ports 33434 through 33434+<i><max number of hops></i>-1</p>
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</blockquote>
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<p>NFS</p>
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<blockquote>
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<p>There's some good information at
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<a href="http://nfs.sourceforge.net/nfs-howto/security.html">
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http://nfs.sourceforge.net/nfs-howto/security.html</a></p>
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</blockquote>
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<p>Didn't find what you are looking for -- have you looked in your own
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/etc/services file? </p>
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<p>Still looking? Try
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<a href="http://www.networkice.com/advice/Exploits/Ports">
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http://www.networkice.com/advice/Exploits/Ports</a></p>
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<p><font size="2">Last updated 8/21/2002 - </font><font size="2">
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<a href="support.htm">Tom
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Eastep</a></font> </p>
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<font face="Trebuchet MS"><a href="copyright.htm"><font size="2">Copyright</font>
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<EFBFBD> <font size="2">2001, 2002 Thomas M. Eastep.</font></a></font></body></html> |