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sendip -p ntp
No hostname specified
Usage: sendip [-v] [-d data] [-h] [-f datafile] [-p module] [module options] hostname
-d data add this data as a string to the end of the packet
Data can be:
rN to generate N random(ish) data bytes;
0x or 0X followed by hex digits;
0 followed by octal digits;
any other stream of bytes
-f datafile read packet data from file
-h print this message
-p module load the specified module (see below)
-v be verbose
Modules available at compile time:
ipv4 ipv6 icmp tcp udp bgp rip ntp
Arguments for module ipv4:
-is x Source IP address (see README)
Default: 127.0.0.1
-id x Destination IP address
Default: Correct
-ih x IP header length (see README)
Default: Correct
-iv x IP version (you almost definately don't want to change this)
Default: 4
-iy x IP type of service
Default: 0
-il x Total IP packet length (see README)
Default: Correct
-ii x IP packet ID (see README)
Default: Random
-ifr x IP reservced flag (see README)
Default: 0 (options are 0,1,r)
-ifd x IP don't fragment flag (see README)
Default: 0 (options are 0,1,r)
-ifm x IP more fragments flag (see README)
Default: 0 (options are 0,1,r)
-if x IP fragment offset
Default: 0
-it x IP time to live
Default: 255
-ip x IP protcol
Default: 0, or set by underlying protocol
-ic x IP checksum (see README)
Default: Correct
-ionum x IP option as string of hex bytes (length is always correct)
Default: (no options)
-ioeol IP option: end of list
-ionop IP option: no-op
-iorr x IP option: record route. Format: pointer:addr1:addr2:...
-iots x IP option: timestamp. Format: pointer:overflow:flag:(ip1:)ts1:(ip2:)ts2:...
-iolsr x IP option: loose source route. Format: pointer:addr1:addr2:...
-iosid x IP option: stream identifier
-iossr x IP option: strict source route. Format: pointer:addr1:addr2:...
Arguments for module tcp:
-ts x TCP source port
Default: 0
-td x TCP destination port
Default: 0
-tn x TCP sequence number
Default: Random
-ta x TCP ack number
Default: 0
-tt x TCP data offset
Default: Correct
-tr x TCP header reserved field EXCLUDING ECN and CWR bits
Default: 0
-tfe x TCP ECN bit (rfc2481)
Default: 0 (options are 0,1,r)
-tfc x TCP CWR bit (rfc2481)
Default: 0 (options are 0,1,r)
-tfu x TCP URG bit
Default: 0, or 1 if -tu specified (options are 0,1,r)
-tfa x TCP ACK bit
Default: 0, or 1 if -ta specified (options are 0,1,r)
-tfp x TCP PSH bit
Default: 0 (options are 0,1,r)
-tfr x TCP RST bit
Default: 0 (options are 0,1,r)
-tfs x TCP SYN bit
Default: 1 (options are 0,1,r)
-tff x TCP FIN bit
Default: 0 (options are 0,1,r)
-tw x TCP window size
Default: 65535
-tc x TCP checksum
Default: Correct
-tu x TCP urgent pointer
Default: 0
-tonum x TCP option as string of hex bytes (length is always correct)
Default: (no options)
-toeol TCP option: end of list
-tonop TCP option: no op
-tomss x TCP option: maximum segment size
-towscale x TCP option: window scale (rfc1323)
-tosackok TCP option: allow selective ack (rfc2018)
-tosack x TCP option: selective ack (rfc2018), format is l_edge1:r_edge1,l_edge2:r_edge2...
-tots x TCP option: timestamp (rfc1323), format is tsval:tsecr
Arguments for module udp:
-us x UDP source port
Default: 0
-ud x UDP destination port
Default: 0
-ul x UDP packet legnth
Default: Correct
-uc x UDP checksum
Default: Correct
Arguments for module icmp:
-ct x ICMP message type
Default: ICMP_ECHO (8), or ICMP6_ECHO_REQUEST (128) if embedded in an IPv6 packet
-cd x ICMP code
Default: 0
-cc x ICMP checksum
Default: Correct
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