2002-09-09 08:14:30 +08:00
|
|
|
<sect2>
|
|
|
|
|
<title>Contents</title>
|
|
|
|
|
|
2003-09-23 11:35:53 +08:00
|
|
|
<para>The <application>tcpwrappers</application> package contains <command>
|
|
|
|
|
tcpd</command>, <command>tcpdchk</command>, <command>tcpdmatch</command>,
|
|
|
|
|
<command>try-from</command> and <command>safe_finger</command>.</para>
|
2002-09-09 08:14:30 +08:00
|
|
|
</sect2>
|
|
|
|
|
|
|
|
|
|
<sect2><title>Description</title>
|
|
|
|
|
|
|
|
|
|
<sect3><title>tcpd</title>
|
2003-09-23 11:35:53 +08:00
|
|
|
<para><command>tcpd</command> is the main access control daemon for all
|
|
|
|
|
internet services, which <command>inetd</command> or
|
|
|
|
|
<command>xinetd</command> will run instead of running the
|
2002-09-09 08:14:30 +08:00
|
|
|
requested service daemon.</para></sect3>
|
|
|
|
|
|
|
|
|
|
<sect3><title>tcpdchk</title>
|
2003-09-23 11:35:53 +08:00
|
|
|
<para><command>tcpdchk</command> is a tool to examine a tcpd wrapper
|
|
|
|
|
configuration and report problems with it.</para></sect3>
|
2002-09-09 08:14:30 +08:00
|
|
|
|
|
|
|
|
<sect3><title>tcpdmatch</title>
|
2003-09-23 11:35:53 +08:00
|
|
|
<para><command>tcpdmatch</command> is used to predict how the tcp wrapper
|
|
|
|
|
would handle a specific request for a service.</para></sect3>
|
2002-09-09 08:14:30 +08:00
|
|
|
|
|
|
|
|
<sect3><title>try-from</title>
|
2003-09-23 11:35:53 +08:00
|
|
|
<para><command>try-from</command> can be called via a remote shell command to
|
|
|
|
|
find out if the host name and address are properly recognized.</para></sect3>
|
2002-09-09 08:14:30 +08:00
|
|
|
|
|
|
|
|
<sect3><title>safe_finger</title>
|
2003-09-23 11:35:53 +08:00
|
|
|
<para><command>safe_finger</command> is a wrapper for the <command>finger
|
|
|
|
|
</command> utility, to provide automatic reverse name lookups.</para></sect3>
|
2002-09-09 08:14:30 +08:00
|
|
|
|
|
|
|
|
</sect2>
|
|
|
|
|
|
