Projects/icmptransd
Summary
UDP via ICMP transport daemon
Contents
- Repository: Subversion
Synopsis
icmptransd [-f] [-v] [-b bindport] [-c connectport] [-i icmpid] [-p pidfile] [-r remoteaddr] [-s setuid] [-t icmptype] [-u udpaddr]
- -f .. foreground
- -v .. verbose
- -b .. UDP port to bind to
- -c .. UDP port to connect to
- -i .. ICMP id
- -p .. PID file
- -r .. remote IP address for ICMP packets
- -s .. set UID
- -t .. ICMP type
- -u .. remote IP address for UDP packets
ICMP Payload
Bits 0-15 | ICMP Type | ICMP Code (= 7) |
---|---|
Bits 16-31 | Checksum |
Bits 32-47 | ICMP id |
Bits 48-63 | Sequence Nr |
Usage Example
Suppose your server has IP address 10.0.0.1 and you have a daemon listening on UDP port 22222 running on that machine.
- Run icmptransd on the server machine:
icmptransd -p /var/run/icmptransd.pid -s nobody -c 22222 -u 10.0.0.1 -i 33333
- Run icmptransd on the client machine:
icmptransd -p /var/run/icmptransd.pid -s nobody -b 11111 -r 10.0.0.1 -i 33333
Finally, configure your UDP client to connect to 127.0.0.1, port 11111 (instead of 10.0.0.1, port 22222).