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| Subject: | RE: Max DNS reply length - 1024 or 4096? |
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| Date: | Tue, 22 Mar 2005 08:18:11 -0000 |
There's not a lot else you can do, its also not just AOL that will cause you the problem any one using MS DNS will also cause you this problem. The fix-up protocol for the PIX is now a little dated, the defaults in version 7 are different. I've changed my FIX-UP length to 1024 and it now seems ok. HTH Andy ________________________________ From: Bill Stout [mailto:bill.stout@greenborder.com] Sent: 21 March 2005 22:13 To: firewalls@securityfocus.com Subject: Max DNS reply length - 1024 or 4096? In my PIX I have "fixup protocol dns maximum-length 768", and need to increase it due to delayed email delivery to users at AOL (due to DNS lookup errors). Does anyone know the drawbacks of increasing max DNS length, and what is a reasonable reply size? Thanks, Bill Stout Security Lab, GreenBorder www.greenborder.com <http://www.greenborder.com> GreenBorder reviewed by Infoworld - http://www.infoworld.com/GreenBorder_Professional_Edition_2.7.2/product_ 57709.html?view=1&curNodeId=0 <http://www.infoworld.com/GreenBorder_Professional_Edition_2.7.2/product _57709.html?view=1&curNodeId=0> GreenBorder reviewed by KeyLabs - http://www.greenborder.com/downloads/GreenBorder_KeyLabs_Report.pdf <http://www.greenborder.com/downloads/GreenBorder_KeyLabs_Report.pdf>
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