On Sun, May 15, 2011 12:54 pm, Jeroen Geilman wrote: > On 05/15/2011 02:50 PM, jason hirsh wrote: >> >> this is the record of the exchange.. it does not appear to be what you >> expected though >> >> 08:40:31.036997 IP mail-iy0-f182.google.com.51101 > >> tuna.theoceanwindow-bv.com.smtp: Flags [S], seq 850119283, win 5720, >> options [mss 1430,sackOK,TS val 2972295960 ecr 0,nop,wscale 6], length 0 >> 08:40:34.037857 IP mail-iy0-f182.google.com.51101 > >> tuna.theoceanwindow-bv.com.smtp: Flags [S], seq 850119283, win 5720, >> options [mss 1430,sackOK,TS val 2972298960 ecr 0,nop,wscale 6], length 0 >> 08:40:40.036791 IP mail-iy0-f182.google.com.51101 > >> tuna.theoceanwindow-bv.com.smtp: Flags [S], seq 850119283, win 5720, >> options [mss 1430,sackOK,TS val 2972304960 ecr 0,nop,wscale 6], length 0 >> 08:40:50.037758 IP mail-iy0-f182.google.com.51101 > >> tuna.theoceanwindow-bv.com.smtp: Flags [S], seq 850119283, win 5720, >> options [mss 1430,sackOK,TS val 2972314960 ecr 0,nop,wscale 6], length 0 >> 08:41:00.037805 IP mail-iy0-f182.google.com.51101 > >> tuna.theoceanwindow-bv.com.smtp: Flags [S], seq 850119283, win 5720, >> options [mss 1430,sackOK,TS val 2972324960 ecr 0,nop,wscale 6], length 0 >> 08:41:10.037831 IP mail-iy0-f182.google.com.51101 > >> tuna.theoceanwindow-bv.com.smtp: Flags [S], seq 850119283, win 5720, >> options [mss 1430,sackOK,TS val 2972334960 ecr 0,nop,wscale 6], length 0 > > Your server is not responding to TCP SYN.
Or perhaps the kernel never sees them. If the OP ran tcpdump on tuna.theoceanwindow-bv.com, having ipfw log discarded or rejected packets would give additional insight.
