1999-12-12 02:47:56 +03:00
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.\" $NetBSD: iptest.1,v 1.2 1999/12/11 23:48:56 veego Exp $
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1999-12-12 01:23:57 +03:00
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.\"
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.TH IPTEST 1
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.SH NAME
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iptest \- automatically generate a packets to test IP functionality
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.SH SYNOPSIS
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.B iptest
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[
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.B \-1234567
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] [
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.B \-d
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<device>
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] [
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.B \-g
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<gateway>
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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 \-p
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<\fIpointtest\fP>
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] [
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.B \-s
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<\fIsource\fP>
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] <destination>
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.SH DESCRIPTION
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.PP
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\fBiptest\fP ...
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.SH OPTIONS
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.TP
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.B \-1
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Run IP test group #1. This group of tests generates packets with the IP
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header fields set to invalid values given other packet characteristics.
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The point tests are: 1 (ip_hl < ip_len), 2 (ip_hl > ip_len),
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3 (ip_v < 4), 4 (ip_v > 4), 5 (ip_len < packetsize, long packets),
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6 (ip_len > packet size, short packets), 7 (Zero length fragments),
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8 (packet > 64k after reassembly), 9 (IP offset with MSB set), 10 (ttl
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variations).
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.TP
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.B \-2
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Run IP test group #2. This group of tests generates packets with the IP
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options constructed with invalid values given other packet characteristics.
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The point tests are: 1 (option length > packet length), 2 (option length = 0).
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.TP
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.B \-3
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Run IP test group #3. This group of tests generates packets with the ICMP
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header fields set to non-standard values. The point tests are: 1 (ICMP types
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0-31 & 255), 2 (type 3 & code 0 - 31), 3 (type 4 & code 0, 127, 128, 255),
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4 (type 5 & code 0, 127, 128, 255), 5 (types 8-10,13-18 with codes 0, 127,
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128 and 255), 6 (type 12 & code 0, 127, 128, 129, 255) and 7 (type 3 & codes
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9-10, 13-14 and 17-18 - shortened packets).
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.TP
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.B \-4
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Run IP test group #4. This group of tests generates packets with the UDP
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header fields set to non-standard values. The point tests are: 1 (UDP length
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> packet size), 2 (UDP length < packetsize), 3 (sport = 0, 1, 32767, 32768,
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65535), 4 (dport = 0, 1, 32767, 32768, 65535) and 5 (sizeof(struct ip) <= MTU
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<= sizeof(struct udphdr) + sizeof(struct ip)).
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.TP
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.B \-5
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Run IP test group #5. This group of tests generates packets with the TCP
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header fields set to non-standard values. The point tests are: 1 (TCP flags
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variations, all combinations), 2 (seq = 0, 0x7fffffff, 0x8000000, 0xa0000000,
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0xffffffff), 3 (ack = 0, 0x7fffffff, 0x8000000, 0xa0000000, 0xffffffff),
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4 (SYN packet with window of 0, 32768, 65535), 5 (set urgent pointer to 1,
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0x7fff, 0x8000, 0xffff), 6 (data offset), 7 (sport = 0, 1, 32767, 32768,
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65535) and 8 (dport = 0, 1, 32767, 32768, 65535).
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.TP
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.B \-6
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Run IP test group #6. This test generates a large number of fragments in
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an attempt to exhaust the network buffers used for holding packets for later
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reassembly. WARNING: this may crash or cause serious performance degradation
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to the target host.
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.TP
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.B \-7
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Run IP test group #7. This test generates 1024 random IP packets with only
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the IP version, checksum, length and IP offset field correct.
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.TP
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.BR \-d \0<interface>
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Set the interface name to be the name supplied.
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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 \-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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.B \-p <test>
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Run a...
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.DT
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.SH SEE ALSO
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1999-12-12 02:47:56 +03:00
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ipresend(1), ipsend(1), bpf(4), ipsend(5)
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1999-12-12 01:23:57 +03:00
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.SH DIAGNOSTICS
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Only one of the numeric test options may be given when \fIiptest\fP is run.
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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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