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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@975 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
270 lines
6.1 KiB
XML
270 lines
6.1 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<article>
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<!--$Id$-->
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<articleinfo>
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<title>Ports Required for Various Services/Applications</title>
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<authorgroup>
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<author>
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<firstname>Tom</firstname>
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<surname>Eastep</surname>
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</author>
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</authorgroup>
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<pubdate>2002-07-30</pubdate>
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<copyright>
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<year>2001-2002</year>
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<holder>Thomas M. Eastep</holder>
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</copyright>
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<legalnotice>
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<para>Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU Free Documentation License, Version
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1.2 or any later version published by the Free Software Foundation; with
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no Invariant Sections, with no Front-Cover, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled
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<quote><ulink url="GnuCopyright.htm">GNU Free Documentation License</ulink></quote>.</para>
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</legalnotice>
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<abstract>
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<para>In addition to those applications described in the
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/etc/shorewall/rules documentation, here are some other
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services/applications that you may need to configure your firewall to
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accommodate.</para>
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</abstract>
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</articleinfo>
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<section>
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<title>NTP (Network Time Protocol)</title>
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<para>UDP Port 123</para>
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</section>
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<section>
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<title>rdate</title>
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<para>TCP Port 37</para>
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</section>
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<section>
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<title>Usenet (NNTP)</title>
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<para>TCP Port 119</para>
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</section>
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<section>
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<title>DNS</title>
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<para>UDP Port 53. If you are configuring a DNS client, you will probably
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want to open TCP Port 53 as well. If you are configuring a server, only
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open TCP Port 53 if you will return long replies to queries or if you need
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to enable ZONE transfers. In the latter case, be sure that your server is
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properly configured.</para>
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</section>
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<section>
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<title>ICQ</title>
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<para>UDP Port 4000. You will also need to open a range of TCP ports which
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you can specify to your ICQ client. By default, clients use 4000-4100.</para>
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</section>
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<section>
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<title>PPTP</title>
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<para>Protocol 47 (NOT port 47) and TCP Port 1723 (Lots more information
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<ulink url="PPTP.htm">here</ulink> and <ulink url="VPN.htm">here</ulink>).</para>
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</section>
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<section>
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<title>IPSEC</title>
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<para>Protocols 50 and 51 (NOT ports 50 and 51) and UDP Port 500. These
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should be opened in both directions (Lots more information <ulink
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url="IPSEC.htm">here</ulink> and <ulink url="VPN.htm">here</ulink>)</para>
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</section>
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<section>
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<title>SMTP (email)</title>
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<para>TCP Port 25.</para>
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</section>
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<section>
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<title>Pop3</title>
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<para>TCP Port 110 (Secure Pop3 is TCP Port 995)</para>
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</section>
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<section>
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<title>IMAP</title>
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<para>TCP Port 143 (Secure IMAP is TCP Port 993)</para>
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</section>
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<section>
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<title>Telnet</title>
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<para>TCP Port 23.</para>
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</section>
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<section>
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<title>SSH</title>
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<para>TCP Port 22.</para>
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</section>
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<section>
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<title>Auth (identd)</title>
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<para>TCP Port 113</para>
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</section>
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<section>
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<title>Web Access</title>
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<para>TCP Ports 80 and 443.</para>
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</section>
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<section>
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<title>FTP</title>
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<para>TCP port 21 plus look <ulink url="FTP.html">here</ulink> for much
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more information.</para>
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</section>
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<section>
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<title>SMB/NMB (Samba/Windows Browsing/File Sharing)</title>
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<para>TCP Ports 137, 139 and 445.</para>
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<para>UDP Ports 137-139.</para>
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<para>Also, see <ulink url="samba.htm">this page</ulink>.</para>
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</section>
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<section>
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<title>Traceroute</title>
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<para>UDP ports 33434 through 33434+<max number of hops>-1</para>
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<para>ICMP type 8 (<quote>ping</quote>)</para>
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</section>
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<section>
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<title>NFS</title>
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<para>I personally use the following rules for opening access from zone z1
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to a server with IP address a.b.c.d in zone z2:</para>
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<informaltable>
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<tgroup cols="7">
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<thead>
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<row>
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<entry align="center">ACTION</entry>
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<entry align="center">SOURCE</entry>
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<entry align="center">DESTINATION</entry>
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<entry align="center">PROTOCOL</entry>
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<entry align="center">PORT(S)</entry>
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<entry align="center">SOURCE PORT(S)</entry>
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<entry align="center">ORIGINAL DEST</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>ACCEPT</entry>
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<entry>z1</entry>
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<entry>z2:a.b.c.d</entry>
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<entry>udp</entry>
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<entry>111</entry>
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<entry></entry>
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<entry></entry>
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</row>
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<row>
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<entry>ACCEPT</entry>
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<entry>z1</entry>
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<entry>z2:a.b.c.d</entry>
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<entry>tcp</entry>
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<entry>111</entry>
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<entry></entry>
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<entry></entry>
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</row>
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<row>
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<entry>ACCEPT</entry>
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<entry>z1</entry>
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<entry>z2:a.b.c.d</entry>
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<entry>udp</entry>
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<entry>2049</entry>
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<entry></entry>
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<entry></entry>
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</row>
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<row>
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<entry>ACCEPT</entry>
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<entry>z1</entry>
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<entry>z2:a.b.c.d</entry>
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<entry>udp</entry>
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<entry>32700:</entry>
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<entry></entry>
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<entry></entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</section>
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<section>
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<title>VNC</title>
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<para>TCP port 5900 + <display number>.</para>
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</section>
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<section>
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<title>Other Source of Port Information</title>
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<para>Didn't find what you are looking for -- have you looked in your
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own /etc/services file?</para>
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<para>Still looking? Try <ulink
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url="http://www.networkice.com/advice/Exploits/Ports">http://www.networkice.com/advice/Exploits/Ports</ulink></para>
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</section>
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</article> |