source: basicnet/netprogs/tcpwrappers/tcpwrappers-desc.xml@ dbed00df

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Last change on this file since dbed00df was dbed00df, checked in by Larry Lawrence <larry@…>, 19 years ago

portmap and tcpwrappers intro update

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@1172 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<sect2>
2<title>Contents</title>
3
4<para>The <application>tcpwrappers</application> package contains <command>
5tcpd</command>, <command>tcpdchk</command>, <command>tcpdmatch</command>,
6<command>try-from</command> and <command>safe_finger</command>.</para>
7</sect2>
8
9<sect2><title>Description</title>
10
11<sect3><title>tcpd</title>
12<para><command>tcpd</command> is the main access control daemon for all
13internet services, which <command>inetd</command> or
14<command>xinetd</command> will run instead of running the
15requested service daemon.</para></sect3>
16
17<sect3><title>tcpdchk</title>
18<para><command>tcpdchk</command> is a tool to examine a tcpd wrapper
19configuration and report problems with it.</para></sect3>
20
21<sect3><title>tcpdmatch</title>
22<para><command>tcpdmatch</command> is used to predict how the tcp wrapper
23would handle a specific request for a service.</para></sect3>
24
25<sect3><title>try-from</title>
26<para><command>try-from</command> can be called via a remote shell command to
27find out if the host name and address are properly recognized.</para></sect3>
28
29<sect3><title>safe_finger</title>
30<para><command>safe_finger</command> is a wrapper for the <command>finger
31</command> utility, to provide automatic reverse name lookups.</para></sect3>
32
33</sect2>
34
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