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-rw-r--r--usr.bin/nc/nc.129
1 files changed, 25 insertions, 4 deletions
diff --git a/usr.bin/nc/nc.1 b/usr.bin/nc/nc.1
index 02d536bddb2..8379cdcffd2 100644
--- a/usr.bin/nc/nc.1
+++ b/usr.bin/nc/nc.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: nc.1,v 1.34 2004/12/31 15:23:31 jmc Exp $
+.\" $OpenBSD: nc.1,v 1.35 2005/01/07 10:07:35 jmc Exp $
.\"
.\" Copyright (c) 1996 David Sacerdote
.\" All rights reserved.
@@ -65,9 +65,6 @@ of sending them to standard output, as
.Xr telnet 1
does with some.
.Pp
-Destination ports can be single integers or ranges.
-Ranges are in the form nn-mm.
-.Pp
Common uses include:
.Pp
.Bl -bullet -offset indent -compact
@@ -124,6 +121,9 @@ It is an error to use this option in conjunction with the
or
.Fl z
options.
+Additionally, the
+.Fl w
+option is ignored.
.It Fl n
Do not do any DNS or service lookups on any specified addresses,
hostnames or ports.
@@ -211,6 +211,27 @@ It is an error to use this option in conjunction with the
.Fl l
option.
.El
+.Pp
+.Ar hostname
+can be a numerical IP address or a symbolic hostname
+(unless the
+.Fl n
+option is given).
+In general, a hostname must be specified,
+unless the
+.Fl l
+option is given
+(in which case the local host is used).
+.Pp
+.Ar port Ns Op Ar s
+can be single integers or ranges.
+Ranges are in the form nn-mm.
+In general,
+a destination port must be specified,
+unless the
+.Fl U
+option is given
+(in which case a socket must be specified).
.Sh CLIENT/SERVER MODEL
It is quite simple to build a very basic client/server model using
.Nm .