Re: Server does not send SYN/ACK

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On Tue, Feb 23, 2010 at 08:21:26PM +0100, Carsten Aulbert wrote:

> Now the weird part. If I ask colleagues with a MacOS laptops to access this 
> page with any web browser, the kick me "out" (standard Debian Squeeze laptop). 
> During this time, I cannot establish any new connection to this server 
> (neither via http(s) nor ssh) anymore,

I've seen this. It happens only with NAT in the middle and OS X
clients. It is cured by (1) setting tcp_timestamps off in Linux or (2)
turning off rfc1323 on the Mac.

sudo sysctl -w net.inet.tcp.rfc1323=0

If you google around you will see discussion going back years about
how OS X doesn't implement timestamps correctly.

-- greg


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