Re: Issues with TCP Window Scaling Factor and Cygwin Daemons

2011-12-20 Thread David Groves
It looks like the hotfix (http://support.microsoft.com/kb/983528) DaveK suggested is working. It has fully resolved the issue with my Windows 7 machine + our lab Win2K8 box (although we couldn't see the symptoms of the small window size as the latency is so low, we could still see 0 WSF in tcpdump

Issues with TCP Window Scaling Factor and Cygwin Daemons

2011-12-14 Thread David Groves
I am having some issues with cygwin applications (specifically sshd) and TCP Window Scaling Factors. I am using OpenSSH client on either a Debian Linux or FreeBSD machine to connect to sshd on a Windows 2k8 R2 server. My SYN from the client has a non-zero WSF (16 for Debian, 8 for FreeBSD), but th