IP stack peculiarity

Gleb Smirnoff glebius at cell.sick.ru
Wed Jan 7 11:48:35 PST 2004


On Wed, Jan 07, 2004 at 05:29:24PM +0200, Vlad Galu wrote:
V> 	The problem appears when during a TCP connection the FreeBSD machine.
V> The 3-way handshake works smoothly, but soon the connection stalls. I
V> tcpdump-ed it on both streams(upwards and downwards) and I see nothing
V> but ACK's, some of them with the PUSH bit set (this is common for
V> webservers). There's no retransmission. The packets just stop being sent
V> from my FreeBSD machine. Eventually, the connection times out.

Can you provide tcpdump output on this host, and tcpdump on remote
host in the Internet, the one you are connecting to? Analyzing this
two dumps will help a lot.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE


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