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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@1252 af4574ff-66df-0310-9fd7-8a98e5e911e0
100 lines
3.8 KiB
XML
100 lines
3.8 KiB
XML
<sect2>
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<title>Contents</title>
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<para>The ucspi-tcp package contains <command>tcpserver</command>,
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<command>tcprules</command>, <command>tcprulescheck</command>,
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<command>argv0</command>, <command>fixcrio</command>,
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<command>recordio</command>, <command>rblsmtpd</command>,
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<command>tcpclient</command>, <command>who@</command>,
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<command>date@</command>, <command>finger@</command>,
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<command>http@</command>, <command>tcpcat</command>,
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<command>mconnect</command>, <command>addcr</command> and
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<command>delcr</command></para>
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<para>You can also find detailed descriptions of each of these programs at
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<ulink url="http://cr.yp.to/ucspi-tcp/tcpserver.html"/>, but here is a brief summary:</para>
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</sect2>
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<sect2><title>Description</title>
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<sect3><title>tcpserver</title>
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<para><command>tcpserver</command> listens for incoming <acronym>TCP</acronym>
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connections on a given port, and runs a program of your choosing in response to
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a connection.</para></sect3>
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<sect3><title>tcprules</title>
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<para><command>tcprules</command> compiles rules that govern access
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control for <command>tcpserver</command> into a fast access database format.
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</para></sect3>
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<sect3><title>tcprulescheck</title>
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<para><command>tcprulescheck</command> makes it possible to see how
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<command>tcpserver</command> will react to connections from a given address
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without actually having to connect via that address. This is useful for
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checking to see if the access control rules you are using are doing what you
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expected.</para></sect3>
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<sect3><title>argv0</title>
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<para><command>argv0</command> runs a given program with a specified 0th
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argument.</para></sect3>
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<sect3><title>fixcrio</title>
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<para><command>fixcrio</command> inserts carriage returns at the end of lines
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when they are missing.</para></sect3>
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<sect3><title>recordio</title>
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<para><command>recordio</command> records all input and output of a program
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given as an argument.</para></sect3>
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<sect3><title>rblsmtpd</title>
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<para><command>rblsmtpd</command> is a spam blocking program that works in
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conjunction with your <acronym>SMTP</acronym> daemon and <command>tcpserver
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</command>.</para></sect3>
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<sect3><title>tcpclient</title>
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<para><command>tcpclient</command> creates a connection to a <acronym>TCP
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</acronym> port for a given program.</para></sect3>
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<sect3><title>who@</title>
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<para><command>who@</command> is a demonstration program using <command>
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tcpclient</command> that has the functionality of the <command>rwho</command>
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program. It requires a server running <command>sysstat</command> on port 11.
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</para></sect3>
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<sect3><title>date@</title>
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<para><command>date@</command> is a demonstration program using <command>
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tcpclient</command> that will return the system time of a remote host which
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is running a <command>daytime</command> service on port 13.</para></sect3>
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<sect3><title>finger@</title>
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<para><command>finger@</command> is a demonstration program using <command>
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tcpclient</command> that mimics the functionality of the <command>finger
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</command> program. It requires a server running <command>fingerd</command>
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on port 79.</para></sect3>
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<sect3><title>http@</title>
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<para><command>http@</command> downloads web pages from web servers.</para>
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</sect3>
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<sect3><title>tcpcat</title>
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<para><command>tcpcat</command> connects to a <acronym>TCP</acronym> port and
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prints all that is returned from the port.</para></sect3>
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<sect3><title>mconnect</title>
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<para><command>mconnect</command> connects to a <acronym>TCP</acronym> port,
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delivers any input specified to the port, and prints any output from the port.
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</para></sect3>
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<sect3><title>addcr</title>
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<para><command>addcr</command> adds carriage returns to files. This and
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<command>delcr</command> are useful for converting between Windows to Unix file
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formats.</para></sect3>
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<sect3><title>delcr</title>
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<para><command>delcr</command> removes carriage returns from files.</para>
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</sect3>
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</sect2>
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