jason hirsh:
> 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

SYN from google.com -> theoceanwindow-bv.com

> 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

Retransmission: SYN from google.com -> theoceanwindow-bv.com

> 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

Retransmission: SYN from google.com -> theoceanwindow-bv.com

> 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

and so on.

The packet arrives on the network interface, but it is dropped
(by firewall rule) before it reaches your TCP protocol engine,
and therefore your machine does not respond.

Show your IPFW rules (or whatever the packet filter). I suspect
a malformed net/mask rule.

        Wietse

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