Question about Window Scaling

Shah, Baiju-p98993 Baiju.Shah at gdc4s.com
Thu Aug 30 10:45:26 PDT 2007


Greetings.

We currently use Espion appliance running FreeBSD 4.9 as a mail interceptor for SPAM.  We have one customer who has their mail gateway hard coded with Window Scaling (WS=9).  Their mail gateway fails to establish SMTP hello connection with WS=9.  However if they set their Window Scaling to 7, it works.  

Where can I go on the FreeBSD to see its configuration for Window Scale?  How can I modify that configuration?  Please email me with your recommendation to baiju.shah at gdc4s.com. Any and all help are appreciated.  Thank you in advance.


Baiju Shah
Network Security Engineer
General Dynamics-C4S West
8201 E. McDowell Road
MD: H1217 Scottsdale, Arizona  85257
Desk: 480.441.9877
Email: baiju.shah at gdc4s.com

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