RE: OT: NOT Sonicwall Issue
- From: "Amy Babinchak" <Amy@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 18 Sep 2003 11:40:28 -0400
Thanks for the suggestion on the MTU and ICMP. I was able to modify
these settings on the Sonicwall and now they are able to access https
websites. Actually the MTU size was too large. I reduced it from 1500 to
1494 and selected to have it fragment anything larger than that. It
works.
Amy
-----Original Message-----
From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, September 16, 2003 2:55 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: OT: NOT Sonicwall Issue
http://www.ISAserver.org
> I've read the article but it doesn't explain why I can get to the
https
> sites by taking the firewall out of the picture.
Sorry, my last post my come across a little to harsh.
You might have a small MTU size set on the Sonicwall. This can affect
it.
You might have allow fragmented packets set on the Sonicwall. This can
effect it.
You might have Ignore Do Not Fragment Bit set on the SonicWALL. This can
affect it.
There might be a black hole router that detects the fragmented packet by
the
Sonicwall and drops it.
John Tolmachoff MCSE CSSA
Engineer/Consultant
eServices For You
www.eservicesforyou.com
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