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<sect2>
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<title>Contents</title>
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2003-09-23 11:35:53 +08:00
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<para>The <application>tcpwrappers</application> package contains <command>
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tcpd</command>, <command>tcpdchk</command>, <command>tcpdmatch</command>,
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<command>try-from</command> and <command>safe_finger</command>.</para>
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</sect2>
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<sect2><title>Description</title>
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<sect3><title>tcpd</title>
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<para><command>tcpd</command> is the main access control daemon for all
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Internet services, which <command>inetd</command> or
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<command>xinetd</command> will run instead of running the
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requested service daemon.</para></sect3>
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<sect3><title>tcpdchk</title>
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<para><command>tcpdchk</command> is a tool to examine a tcpd wrapper
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configuration and report problems with it.</para></sect3>
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<sect3><title>tcpdmatch</title>
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<para><command>tcpdmatch</command> is used to predict how the tcp wrapper
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would handle a specific request for a service.</para></sect3>
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<sect3><title>try-from</title>
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<para><command>try-from</command> can be called via a remote shell command to
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find out if the host name and address are properly recognized.</para></sect3>
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<sect3><title>safe_finger</title>
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<para><command>safe_finger</command> is a wrapper for the <command>finger
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</command> utility, to provide automatic reverse name lookups.</para></sect3>
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</sect2>
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