I believe this has already been covered in quite some depth
and iirc its regards the ordering of the new tcp flags
introduced in 7. Best to have a look in the list archives for
the specifics.
Regards
Steve
----- Original Message -----
From: "s3raphi" <[EMAIL PROTECTED]>
I upgraded many web servers to FreeBSD 7.0-Release several weeks ago. These
servers serve hundreds of thousands of users. Since then, we have had many
users complain that they cannot connect to these servers any more. This was
a very tricky problem to diagnose, but using packet captures on both the
servers and the clients who have the problem I ended up with the same
results as the original poster. The user can ping the server with ICMP. The
user cannot complete a TCP connection.
Client sends SYN to server
Server responds SYN/ACK
Client packet capture does not show the SYN/ACK arrive.
Connection fails.
....
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