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NetBSD 6.1.5 - man page for ipsend (netbsd section 1)

IPSEND(1)										IPSEND(1)

       ipsend - sends IP packets

       ipsend  [  -dITUv  ] [ -i <interface> ] [ -f <offset> ] [ -g <gateway> ] [ -m <MTU> ] [ -o
       <option> ] [ -P <protocol> ] [ -s <source> ] [ -t <dest. port> ] [ -w <window> ] <destina-
       tion> [TCP-flags]

       ipsend can be compiled in two ways.  The first is used to send one-off packets to a desti-
       nation host, using command line options to specify various attributes present in the head-
       ers.   The  destination must be given as the last command line option, except for when TCP
       flags are specified as a combination of A, S, F, U, P and R, last.

       The other way it may be compiled, with DOSOCKET defined, is to allow an attempt at  making
       a  TCP  connection  using  a  with ipsend resending the SYN packet as per the command line

       -d     enable debugging mode.

       -f <offset>
	      The -f allows the IP offset field in the IP header to be set to an arbitrary value,
	      which can be specified in decimal or hexadecimal.

       -g <gateway>
	      Specify  the  hostname  of  the  gateway	through  which to route packets.  This is
	      required whenever the destination host isn't directly attached to the same  network
	      as the host from which you're sending.

       -i <interface>
	      Set the interface name to be the name supplied.

       -m <MTU>
	      Specify the MTU to be used when sending out packets.  This option allows you to set
	      a fake MTU, allowing the simulation of network interfaces with small MTU's  without
	      setting them so.

       -o <option>
	      Specify options to be included at the end of the IP header.  An EOL option is auto-
	      matically appended and need not be given.  If an option would also have data  asso-
	      ciated  with  it	(source  as an IP# for a lsrr option), then this will not be ini-

       -s <source>
	      Set the source address in the packet to that provided - maybe either a hostname  or

       -t <dest.port>
	      Set the destination port for TCP/UDP packets.

       -w <window>
	      Set the window size for TCP packets.

       -I     Set the protocol to ICMP.

       -P <protocol>
	      Set  the	protocol  to  the  value  given.  If the parameter is a name, the name is
	      looked up in the /etc/protocols file.

       -T     Set the protocol to TCP.

       -U     Set the protocol to UDP.

       -v     enable verbose mode.

       ipresend(1), iptest(1), bpf(4), protocols(5), ipsend(5)

       Needs to be run as root.

       If you find any, please send email to me at darrenr@pobox.com


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