1 | <sect2>
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2 | <title>Contents</title>
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3 |
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4 | <para>The ucspi-tcp package contains <command>tcpserver</command>,
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5 | <command>tcprules</command>, <command>tcprulescheck</command>,
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6 | <command>argv0</command>, <command>fixcrio</command>,
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7 | <command>recordio</command>, <command>rblsmtpd</command>,
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8 | <command>tcpclient</command>, <command>who@</command>,
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9 | <command>date@</command>, <command>finger@</command>,
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10 | <command>http@</command>, <command>tcpcat</command>,
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11 | <command>mconnect</command>, <command>addcr</command> and
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12 | <command>delcr</command></para>
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13 |
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14 | <para>You can also find detailed descriptions of each of these programs at
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15 | <ulink url="http://cr.yp.to/ucspi-tcp/tcpserver.html"/>, but here is a brief summary:</para>
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16 |
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17 | </sect2>
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18 |
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19 | <sect2><title>Description</title>
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20 |
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21 | <sect3><title>tcpserver</title>
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22 | <para><command>tcpserver</command> listens for incoming <acronym>TCP</acronym>
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23 | connections on a given port, and runs a program of your choosing in response to
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24 | a connection.</para></sect3>
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25 |
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26 | <sect3><title>tcprules</title>
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27 | <para><command>tcprules</command> compiles rules that govern access
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28 | control for <command>tcpserver</command> into a fast access database format.
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29 | </para></sect3>
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30 |
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31 | <sect3><title>tcprulescheck</title>
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32 | <para><command>tcprulescheck</command> makes it possible to see how
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33 | <command>tcpserver</command> will react to connections from a given address
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34 | without actually having to connect via that address. This is useful for
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35 | checking to see if the access control rules you are using are doing what you
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36 | expected.</para></sect3>
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37 |
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38 | <sect3><title>argv0</title>
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39 | <para><command>argv0</command> runs a given program with a specified 0th
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40 | argument.</para></sect3>
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41 |
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42 | <sect3><title>fixcrio</title>
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43 | <para><command>fixcrio</command> inserts carriage returns at the end of lines
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44 | when they are missing.</para></sect3>
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45 |
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46 | <sect3><title>recordio</title>
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47 | <para><command>recordio</command> records all input and output of a program
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48 | given as an argument.</para></sect3>
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49 |
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50 | <sect3><title>rblsmtpd</title>
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51 | <para><command>rblsmtpd</command> is a spam blocking program that works in
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52 | conjunction with your <acronym>SMTP</acronym> daemon and <command>tcpserver
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53 | </command>.</para></sect3>
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54 |
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55 | <sect3><title>tcpclient</title>
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56 | <para><command>tcpclient</command> creates a connection to a <acronym>TCP
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57 | </acronym> port for a given program.</para></sect3>
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58 |
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59 | <sect3><title>who@</title>
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60 | <para><command>who@</command> is a demonstration program using <command>
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61 | tcpclient</command> that has the functionality of the <command>rwho</command>
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62 | program. It requires a server running <command>sysstat</command> on port 11.
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63 | </para></sect3>
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64 |
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65 | <sect3><title>date@</title>
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66 | <para><command>date@</command> is a demonstration program using <command>
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67 | tcpclient</command> that will return the system time of a remote host which
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68 | is running a <command>daytime</command> service on port 13.</para></sect3>
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69 |
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70 | <sect3><title>finger@</title>
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71 | <para><command>finger@</command> is a demonstration program using <command>
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72 | tcpclient</command> that mimics the functionality of the <command>finger
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73 | </command> program. It requires a server running <command>fingerd</command>
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74 | on port 79.</para></sect3>
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75 |
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76 | <sect3><title>http@</title>
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77 | <para><command>http@</command> downloads web pages from web servers.</para>
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78 | </sect3>
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79 |
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80 | <sect3><title>tcpcat</title>
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81 | <para><command>tcpcat</command> connects to a <acronym>TCP</acronym> port and
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82 | prints all that is returned from the port.</para></sect3>
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83 |
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84 | <sect3><title>mconnect</title>
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85 | <para><command>mconnect</command> connects to a <acronym>TCP</acronym> port,
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86 | delivers any input specified to the port, and prints any output from the port.
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87 | </para></sect3>
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88 |
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89 | <sect3><title>addcr</title>
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90 | <para><command>addcr</command> adds carriage returns to files. This and
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91 | <command>delcr</command> are useful for converting between Windows to Unix file
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92 | formats.</para></sect3>
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93 |
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94 | <sect3><title>delcr</title>
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95 | <para><command>delcr</command> removes carriage returns from files.</para>
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96 | </sect3>
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97 |
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98 | </sect2>
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99 |
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