> Do newer version of tcpdump no longer show TCP sequence numbers without the > -vv > flag? Or is this some kind of FreeBSD bug?
Known problem, nothing to do with FreeBSD. See the thread "forces (and sctp) patch starting at 10. Jan 2010 at http://news.gmane.org/gmane.network.tcpdump.devel Not fixed in any released version of tcpdump as far as I can see. Highly irritating. Steinar Haug, Nethelp consulting, [email protected] > > > FreeBSD 7.2 (tcpdump 3.9.7): > > 07:06:47.765297 IP x.x.x.x.58894 > 209.87.252.181.443: P 285:344(59) ack 1589 > win 16695 > 07:06:47.827029 IP 209.87.252.181.443 > x.x.x.x.58894: P 1589:1648(59) ack > 344 > win 33580 > 07:06:47.861615 IP x.x.x.x.58894 > 209.87.252.181.443: P 344:1117(773) ack > 1648 > win 16680 > 07:06:48.114280 IP 209.87.252.181.443 > x.x.x.x.58894: . ack 1117 win 33580 > > > FreeBSD 8.x (tcpdump 4.0.0): > > 07:10:17.303178 IP x.x.x.x.4433 > 209.85.225.105.80: Flags [.], ack 1391, win > 64512, length 0 > 07:10:17.307536 IP 209.85.225.105.80 > x.x.x.x.4433: Flags [.], ack 621, win > 9648, length 1390 > 07:10:17.308729 IP x.x.x.x.4433 > 209.85.225.105.80: Flags [.], ack 1391, win > 64512, length 0 > 07:10:17.340326 IP 209.85.225.105.80 > x.x.x.x.4433: Flags [.], ack 621, win > 9648, length 1390 > 07:10:17.340330 IP 209.85.225.105.80 > x.x.x.x.4433: Flags [.], ack 621, win > 9648, length 1390 > 07:10:17.341588 IP x.x.x.x.4433 > 209.85.225.105.80: Flags [.], ack 4171, win > 64512, length 0 > > > To me the 3.9.7 output is much more useful. > > -Steve > > > > - > This is the tcpdump-workers list. > Visit https://cod.sandelman.ca/ to unsubscribe. > - This is the tcpdump-workers list. Visit https://cod.sandelman.ca/ to unsubscribe.
