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giorgio79
Asked: 2012-10-19 06:10:59 +0800 CST

linux: traceroute send operation not permitted for remote server

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When I try to traceroute to a remote ip, I get send: Operation not permitted When I stop iptables, traceroute works fine. So, I assume I need some ip rule for send. What would that rule be?

I did find a solution here http://forums.fedoraforum.org/showthread.php?t=112516, and I add it to my iptables, restart it, but then after a while CSF seems to block send again. Something overwrites that rule.

linux

1 Answers

  1. Best Answer

    Found the solution:

    Do you have CSF installed? If yes, open the config page for CSF and search the page for traceroute. There you'll see this message:

    # Allow outgoing UDP ports

    # To allow outgoing traceroute add 33434:33523 to this list

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