Kernel 2.6.13. Breaks libpcap. Fedora Core 2, gcc 3.3.3, Pentium III (933MHz)
I had written about my dismay that traceproto and tcptraceroute no longer worked and suspected that libnet was broken. It seems that it is libpcap that is broken by kernel 2.6.13 and tcpdump itself no longer works. Well, it works ... but not correctly. Capture data, then look for ICMP messages (e.g. Time Exceeded errors as in a traceroute) by filtering the file. tcpdump -w 1.cap tcpdump -f "ip proto \icmp" -r 1.cap That works. Filter incoming data, looking for ICMP messages: tcpdump -f "ip proto \icmp" Well, that catches nothing. I tried recompiling (source RPM, Fedora Core 2) tcpdump (libpcap, tcpdump, etc.) and reinstalling. That did not fix the problem with tcpdump. It also broke a tethereal script I was using (which I changed to capture all packets, which works as indicated above, and then used a '-R', read, filter to display the one's I want). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
