diff options
author | aaron <> | 1999-06-05 01:21:34 +0000 |
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committer | aaron <> | 1999-06-05 01:21:34 +0000 |
commit | 64e5679419440e1ce0502f4372226d92fcff26b1 (patch) | |
tree | 9c3b90da016c1c41dd27b8d47abc1d183dfdd217 /src/usr.bin | |
parent | 569578dc356ba2402bc9d1b54016c009127366cb (diff) | |
download | openbsd-64e5679419440e1ce0502f4372226d92fcff26b1.tar.gz openbsd-64e5679419440e1ce0502f4372226d92fcff26b1.tar.bz2 openbsd-64e5679419440e1ce0502f4372226d92fcff26b1.zip |
- remove trailing white space
- remove arguments from .Os macros
- remove arguments from .Nm macros, where appropriate
- some more Dq/Sq/Ql insanity
- still lots to do in the usr.bin tree... :/
Diffstat (limited to 'src/usr.bin')
-rw-r--r-- | src/usr.bin/nc/nc.1 | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/src/usr.bin/nc/nc.1 b/src/usr.bin/nc/nc.1 index 8d87051c73..1c0cd6fa48 100644 --- a/src/usr.bin/nc/nc.1 +++ b/src/usr.bin/nc/nc.1 | |||
@@ -1,4 +1,4 @@ | |||
1 | .\" $OpenBSD: nc.1,v 1.5 1998/09/28 06:57:35 millert Exp $ | 1 | .\" $OpenBSD: nc.1,v 1.6 1999/06/05 01:21:34 aaron Exp $ |
2 | .\" | 2 | .\" |
3 | .\" Copyright (c) 1996 David Sacerdote | 3 | .\" Copyright (c) 1996 David Sacerdote |
4 | .\" All rights reserved. | 4 | .\" All rights reserved. |
@@ -39,14 +39,14 @@ | |||
39 | .Op Fl i Ar interval | 39 | .Op Fl i Ar interval |
40 | .Op Fl lnrtuvz | 40 | .Op Fl lnrtuvz |
41 | .Op Fl o Ar filename | 41 | .Op Fl o Ar filename |
42 | .Op Fl p Ar source port | 42 | .Op Fl p Ar source port |
43 | .Op Fl s Ar ip address | 43 | .Op Fl s Ar ip address |
44 | .Op Fl w Ar timeout | 44 | .Op Fl w Ar timeout |
45 | .Op Ar hostname | 45 | .Op Ar hostname |
46 | .Op Ar port[s...] | 46 | .Op Ar port[s...] |
47 | .Sh DESCRIPTION | 47 | .Sh DESCRIPTION |
48 | The | 48 | The |
49 | .Nm nc | 49 | .Nm |
50 | (or | 50 | (or |
51 | .Nm netcat ) | 51 | .Nm netcat ) |
52 | utility is used for just about anything under the sun | 52 | utility is used for just about anything under the sun |
@@ -54,11 +54,11 @@ involving TCP or UDP. It can open TCP connections, send UDP packets, | |||
54 | listen on arbitrary TCP and UDP ports, do port scanning, and source | 54 | listen on arbitrary TCP and UDP ports, do port scanning, and source |
55 | routing. Unlike | 55 | routing. Unlike |
56 | .Xr telnet 1 , | 56 | .Xr telnet 1 , |
57 | .Nm nc | 57 | .Nm |
58 | scripts nicely, and separates error messages onto standard error instead | 58 | scripts nicely, and separates error messages onto standard error instead |
59 | of sending them to standard output, as | 59 | of sending them to standard output, as |
60 | .Xr telnet 1 | 60 | .Xr telnet 1 |
61 | does with some. | 61 | does with some. |
62 | .Pp | 62 | .Pp |
63 | Destination ports can be single integers, names as listed in | 63 | Destination ports can be single integers, names as listed in |
64 | .Xr services 5 , | 64 | .Xr services 5 , |
@@ -66,7 +66,7 @@ or ranges. Ranges are in the form nn-mm, and several separate ports and/or | |||
66 | ranges may be specified on the command line. | 66 | ranges may be specified on the command line. |
67 | .Pp | 67 | .Pp |
68 | Common uses include: | 68 | Common uses include: |
69 | .Bl -bullet | 69 | .Bl -bullet |
70 | .It | 70 | .It |
71 | simple TCP proxies | 71 | simple TCP proxies |
72 | .It | 72 | .It |
@@ -84,7 +84,7 @@ The options are as follows: | |||
84 | .It Fl e Ar command | 84 | .It Fl e Ar command |
85 | Execute the specified command, using data from the network for stdin, | 85 | Execute the specified command, using data from the network for stdin, |
86 | and sending stdout and stderr to the network. This option is only present if | 86 | and sending stdout and stderr to the network. This option is only present if |
87 | .Nm nc | 87 | .Nm |
88 | was compiled with the GAPING_SECURITY_HOLE compile time option, since it | 88 | was compiled with the GAPING_SECURITY_HOLE compile time option, since it |
89 | allows users to make arbitrary programs available to anyone on the network. | 89 | allows users to make arbitrary programs available to anyone on the network. |
90 | .It Fl g Ar intermediate-host | 90 | .It Fl g Ar intermediate-host |
@@ -98,7 +98,7 @@ Specifies a delay time interval between lines of text sent and received. | |||
98 | Also causes a delay time between connections to multiple ports. | 98 | Also causes a delay time between connections to multiple ports. |
99 | .It Fl l | 99 | .It Fl l |
100 | Is used to specify that | 100 | Is used to specify that |
101 | .Nm nc | 101 | .Nm |
102 | should listen for an incoming connection, rather than initiate a | 102 | should listen for an incoming connection, rather than initiate a |
103 | connection to a remote host. Any hostname/IP address and port arguments | 103 | connection to a remote host. Any hostname/IP address and port arguments |
104 | restrict the source of inbound connections to only that address and | 104 | restrict the source of inbound connections to only that address and |
@@ -112,7 +112,7 @@ Each line begins with ``<'' or ``>''. ``<'' means "from the net" and ``>'' | |||
112 | means "to the net". | 112 | means "to the net". |
113 | .It Fl p Ar port | 113 | .It Fl p Ar port |
114 | Specifies the source port | 114 | Specifies the source port |
115 | .Nm nc | 115 | .Nm |
116 | should use, subject to privilege restrictions and availability. | 116 | should use, subject to privilege restrictions and availability. |
117 | .It Fl r | 117 | .It Fl r |
118 | Specifies that source and/or destination ports should be chosen semi-randomly | 118 | Specifies that source and/or destination ports should be chosen semi-randomly |
@@ -125,37 +125,37 @@ On some platforms, this can be used for UDP spoofing by using | |||
125 | to bring up a dummy interface with the desired source IP address. | 125 | to bring up a dummy interface with the desired source IP address. |
126 | .It Fl t | 126 | .It Fl t |
127 | Causes | 127 | Causes |
128 | .Nm nc | 128 | .Nm |
129 | to send RFC854 DON'T and WON'T responses to RFC854 DO | 129 | to send RFC854 DON'T and WON'T responses to RFC854 DO |
130 | and WILL requests. This makes it possible to use | 130 | and WILL requests. This makes it possible to use |
131 | .Nm nc | 131 | .Nm |
132 | to script telnet sessions. The presence of this option can be | 132 | to script telnet sessions. The presence of this option can be |
133 | enabled or disabled as a compile-time option. | 133 | enabled or disabled as a compile-time option. |
134 | .It Fl u | 134 | .It Fl u |
135 | Use UDP instead of TCP. | 135 | Use UDP instead of TCP. |
136 | On most platforms, | 136 | On most platforms, |
137 | .Nm nc | 137 | .Nm |
138 | will behave as if a connection is established until it receives an | 138 | will behave as if a connection is established until it receives an |
139 | ICMP packet indicating that there is no program listening to what it | 139 | ICMP packet indicating that there is no program listening to what it |
140 | sends. | 140 | sends. |
141 | .It Fl v | 141 | .It Fl v |
142 | Verbose. Cause | 142 | Verbose. Cause |
143 | .Nm nc | 143 | .Nm |
144 | to display connection information. Using | 144 | to display connection information. Using |
145 | .Fl v | 145 | .Fl v |
146 | more than once will cause | 146 | more than once will cause |
147 | .Nm nc | 147 | .Nm |
148 | to become even more verbose. | 148 | to become even more verbose. |
149 | .It Fl w Ar timeout | 149 | .It Fl w Ar timeout |
150 | Specifies the number of seconds | 150 | Specifies the number of seconds |
151 | .Nm nc | 151 | .Nm |
152 | should wait before deciding that | 152 | should wait before deciding that |
153 | an attempt to establish a connection is hopeless. | 153 | an attempt to establish a connection is hopeless. |
154 | Also used to specify how long to wait for more network data after standard | 154 | Also used to specify how long to wait for more network data after standard |
155 | input closes. | 155 | input closes. |
156 | .It Fl z | 156 | .It Fl z |
157 | Specifies that | 157 | Specifies that |
158 | .Nm nc | 158 | .Nm |
159 | should just scan for listening | 159 | should just scan for listening |
160 | daemons, without sending any data to them. Diagnostic messages about refused | 160 | daemons, without sending any data to them. Diagnostic messages about refused |
161 | connections will not be | 161 | connections will not be |
@@ -191,7 +191,7 @@ diagnostic messages on stderr. | |||
191 | .It Li "nc -v -z example.host 20-30" | 191 | .It Li "nc -v -z example.host 20-30" |
192 | Attempt to open TCP connections to ports 20 through 30 of | 192 | Attempt to open TCP connections to ports 20 through 30 of |
193 | example.host, and report which ones | 193 | example.host, and report which ones |
194 | .Nm nc | 194 | .Nm |
195 | was able to connect to. | 195 | was able to connect to. |
196 | .It Li "nc -v -u -z -w 3 example.host 20-30" | 196 | .It Li "nc -v -u -z -w 3 example.host 20-30" |
197 | Send UDP packets to ports 20-30 of example.host, and report which ones | 197 | Send UDP packets to ports 20-30 of example.host, and report which ones |