Snort mailing list archives
Re: tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])]
From: John Sage <jsage () finchhaven com>
Date: Mon, 22 Jul 2002 13:16:27 -0700
Max: But I replayed the capture you posted perfectly, so it's nothing to do with a switch or anything -- the capture is being created accurately, it's just that when you replay it, something gets broken. [toot@sparky /home/www/html/sys_docs/test]# snort -v -r snort_not_loggin.dump Log directory = /var/log/snort TCPDUMP file reading mode. Reading network traffic from "snort_not_loggin.dump" file. snaplen = 96 <snip> Run time for packet processing was 0.18953 seconds =============================================================================== Snort processed 28 packets. Breakdown by protocol: Action Stats: TCP: 24 (85.714%) ALERTS: 0 UDP: 2 (7.143%) LOGGED: 0 ICMP: 0 (0.000%) PASSED: 0 ARP: 2 (7.143%) IPv6: 0 (0.000%) IPX: 0 (0.000%) OTHER: 0 (0.000%) =============================================================================== I'm replaying your post on a box that appears identical: RHL 7.2; libpcap 0.6.2; snort 1.8.7 build 128. You're not running this through a pager ("more" or "less") are you? I've noticed weirdnesses from time to time when trying to page through a binary logfile on readback... - John -- "Cowardly refusing to create an empty archive." PGP key http://www.finchhaven.com/pages/gpg_pubkey.html Fingerprint FE 97 0C 57 08 43 F3 EB 49 A1 0C D0 8E 0C D0 BE C8 38 CC B5 On Mon, Jul 22, 2002 at 02:35:09PM -0500, max valdez wrote:
This is my snort Output Snort doesn't recognizes something in the packets. I'm on a RH 7.3 box, libpcap-0.6.2-12 But As someone smart said, the problem might be on the switch. anything else needed ? ------------------- [max@garaged max]$ snort -v -r tcpdump-snort-not-loggin Log directory = /var/log/snort TCPDUMP file reading mode. Reading network traffic from "tcpdump-snort-not-loggin" file. snaplen = 96 --== Initializing Snort ==-- --== Initialization Complete ==-- -*> Snort! <*- Version 1.8.7 (Build 128) By Martin Roesch (roesch () sourcefire com, www.snort.org) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) 07/22-11:49:16.689735 ARP who-has 132.248.33.14 tell 132.248.33.254 [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x6c00]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x4e00]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) 07/22-11:49:19.150067 ARP who-has 132.248.33.14 tell 132.248.33.254 [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05]) [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0x3400]) Run time for packet processing was 0.430 seconds =============================================================================== Snort processed 28 packets. Breakdown by protocol: Action Stats: TCP: 0 (0.000%) ALERTS: 0 UDP: 0 (0.000%) LOGGED: 0 ICMP: 0 (0.000%) PASSED: 0 ARP: 2 (7.143%) IPv6: 0 (0.000%) IPX: 0 (0.000%) OTHER: 0 (0.000%) =============================================================================== Fragmentation Stats: Fragmented IP Packets: 0 (0.000%) Rebuilt IP Packets: 0 Frag elements used: 0 Discarded(incomplete): 0 Discarded(timeout): 0 =============================================================================== TCP Stream Reassembly Stats: TCP Packets Used: 0 (0.000%) Reconstructed Packets: 0 (0.000%) Streams Reconstructed: 0 =============================================================================== Snort received signal 3, exiting ----
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Current thread:
- tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])] max valdez (Jul 22)
- Re: tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])] John Sage (Jul 22)
- Message not available
- Re: tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])] John Sage (Jul 22)
- Re: tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])] max valdez (Jul 22)
- Re: tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])] John Sage (Jul 22)
- Message not available
- Re: tcpdump for [!] WARNING: Not IPv4 datagram! ([ver: 0x5][len: 0xdc05])] John Sage (Jul 22)