2002-12-21 16:15:11 +03:00
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.\" $NetBSD: ipsend.1,v 1.5 2002/12/21 13:15:11 wiz Exp $
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1999-12-12 01:23:57 +03:00
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.\"
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.TH IPSEND 1
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.SH NAME
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ipsend \- sends IP packets
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.SH SYNOPSIS
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.B ipsend
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[
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.B \-dITUv
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] [
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.B \-i
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<interface>
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] [
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.B \-f
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<\fIoffset\fP>
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] [
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.B \-g
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<\fIgateway\fP>
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] [
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.B \-m
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<\fIMTU\fP>
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] [
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.B \-o
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<\fIoption\fP>
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] [
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.B \-P
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<protocol>
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] [
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.B \-s
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<\fIsource\fP>
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] [
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.B \-t
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<\fIdest. port\fP>
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] [
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.B \-w
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<\fIwindow\fP>
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] <destination> [TCP-flags]
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.SH DESCRIPTION
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.PP
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\fBipsend\fP can be compiled in two ways. The first is used to send one-off
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packets to a destination host, using command line options to specify various
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attributes present in the headers. The \fIdestination\fP must be given as
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the last command line option, except for when TCP flags are specified as
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a combination of A, S, F, U, P and R, last.
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.PP
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The other way it may be compiled, with DOSOCKET defined, is to allow an
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attempt at making a TCP connection using a with ipsend resending the SYN
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packet as per the command line options.
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.SH OPTIONS
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.TP
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.BR \-d
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enable debugging mode.
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.TP
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.BR \-f \0<offset>
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The \fI-f\fP allows the IP offset field in the IP header to be set to an
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2002-12-21 16:15:11 +03:00
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arbitrary value, which can be specified in decimal or hexadecimal.
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1999-12-12 01:23:57 +03:00
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.TP
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.BR \-g \0<gateway>
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Specify the hostname of the gateway through which to route packets. This
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is required whenever the destination host isn't directly attached to the
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same network as the host from which you're sending.
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.TP
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.BR \-i \0<interface>
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Set the interface name to be the name supplied.
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.TP
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.TP
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.BR \-m \0<MTU>
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Specify the MTU to be used when sending out packets. This option allows you
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to set a fake MTU, allowing the simulation of network interfaces with small
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MTU's without setting them so.
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.TP
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.BR \-o \0<option>
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Specify options to be included at the end of the IP header. An EOL option
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is automatically appended and need not be given. If an option would also
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have data associated with it (source as an IP# for a lsrr option), then
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this will not be initialised.
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.TP
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.BR \-s \0<source>
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Set the source address in the packet to that provided - maybe either a
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hostname or IP#.
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.TP
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.BR \-t \0<dest. port>
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Set the destination port for TCP/UDP packets.
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.TP
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.BR \-w \0<window>
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Set the window size for TCP packets.
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.TP
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.B \-I
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Set the protocol to ICMP.
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.TP
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.B \-P <protocol>
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Set the protocol to the value given. If the parameter is a name, the name
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is looked up in the \fI/etc/protocols\fP file.
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.TP
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.B \-T
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Set the protocol to TCP.
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.TP
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.B \-U
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Set the protocol to UDP.
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.TP
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2000-08-10 01:00:39 +04:00
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.BR \-v
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1999-12-12 01:23:57 +03:00
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enable verbose mode.
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.DT
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.SH SEE ALSO
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2001-04-09 16:39:02 +04:00
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ipresend(1), iptest(1), bpf(4), protocols(5), ipsend(5)
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1999-12-12 01:23:57 +03:00
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.SH DIAGNOSTICS
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.PP
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Needs to be run as root.
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.SH BUGS
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.PP
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If you find any, please send email to me at darrenr@pobox.com
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