About SethDunn

SethDunn · 02-20-2018

Hello all, Seeing if anyone may have an idea on this.I have two PIX 515e's (yes they are old, but they work) in a FailOver Setup.Primary PIX is online, FO PIX is in standby. Traffic coming into our network is working fine, Internal to External IP tr...

SethDunn · 10-17-2017

Hello all,Was wondering if I can get some insight/help on this.Having some odd email issues.From most email servers, we receive email fine.But here recently we have been experiencing issues with Proof Point servers. Sometimes email being sent throug...

SethDunn · 02-21-2018

Update on this issue.I am guessing it was a time-out issue (MAC Address tables?)The IP address I was having issues with, seems to be working fine today.I assigned it to another server and worked as it should.

SethDunn · 10-17-2017

Figured it out.The IPs somehow got grouped into a Network Object group I had set up for exemption...Removed that and things seem to be working as they should be.

SethDunn · 10-17-2017

Could the "Randomize Sequence Number" setting be causing these problems.Cause the traffic flow from these particular set of SMTP servers show very odd behavior with communication when I watch the log....I just see a constant stream of Deny tcp....lin...

SethDunn · 10-17-2017

I have removed the ESMTP inspect from the class map.So that should allow for Inspection bypass of SMTP traffic, correct?I know with it enabled it messes up communication to mail servers behind the firewall.

Member Since	‎10-17-2017 05:21 AM
Date Last Visited	‎02-21-2018 12:28 PM
Posts	6

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Firewall and IP Translation issues

PIX 515E and RST flags

Re: Firewall and IP Translation issues

Re: PIX 515E and RST flags

Re: PIX 515E and RST flags

Re: PIX 515E and RST flags