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On Fri, Feb 22, 2013 at 10:51 AM, Tanstaafl <tanstaafl@×××××××××××.org> wrote: |
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> Hi all, |
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> |
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> Weird, I don't use it much, but needed to run a traceroute today, and it is |
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> failing with: |
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> |
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> # traceroute 192.168.1.4 |
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> traceroute to 192.168.1.4 (192.168.1.4), 30 hops max, 60 byte packets |
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> send: Operation not permitted |
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> |
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> I know the problem is in my firewall, because when I stop it, traceroutes |
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> work as expected. |
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> |
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> I have allowed all ICMP in my firewall: |
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> |
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> Chain INPUT (policy DROP) |
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> target prot opt source destination |
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> <snip> |
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> ACCEPT icmp -- anywhere anywhere icmp any |
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> <snip> |
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> |
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> Chain FORWARD (policy DROP) |
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> target prot opt source destination |
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> ACCEPT icmp -- anywhere anywhere icmp any |
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> |
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> Chain OUTPUT (policy DROP) |
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> target prot opt source destination |
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> <snip> |
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> ACCEPT icmp -- anywhere anywhere icmp any |
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> |
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> Any ideas what I'm missing? |
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> |
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> I can send all of my firewall rules privately if someone thinks I may have |
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> something that is dropping these packets before my ALLOW rule kicks in, but |
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> I'm fairly sure I have them right... |
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> |
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> Thanks |
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> |
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|
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Unix traceroute normally operates by sending UDP packets to |
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high-numbered ports with successively larger TTL values. You'll need |
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to make sure you are allowing outbound UDP traffic as well. |
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