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Olusola_Ayoade_'s avatar
Olusola_Ayoade_
Icon for Nimbostratus rankNimbostratus
Aug 03, 2015

Outlook anywhere on exchange 2013 loadbalanced looses its session after connecting for a few minute

Hi Peeps,   Kindly assist it seems i am having a persistence challenge, when i restart my outlook client it works normally for the first few minutes, then it stops sending and receiving mails.   ...
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Olusola_Ayoade_'s avatar
Olusola_Ayoade_
Icon for Nimbostratus rankNimbostratus
Aug 28, 2015

Hi Mike,

 

I perceive Kaspersky is hindering Outlook anywhere traffic through F5 , here is a log from kaspersky can someone interpret this for me.

 

10.161.6.6 is my F5 self IP, EMTS-E13CAS01 is my cas server.

 

Event name Network attack detected Severity: Critical event Application: Kaspersky Endpoint Security 10 Maintenance Release 1 for Windows Version number: 10.2.1.23 Task name: Network Attack Blocker Computer: EMTS-E13CAS01 Group: Enterprise servers 8.0 10.150.140 to 10.161.7 Time: Wednesday, August 05, 2015 2:45:43 PM Virtual Server name:

 

Description: Event type: Network attack detected Application\Name: Unknown Component: Network Attack Blocker Result\Description: Blocked Result\Name: DoS.Generic.SYNFlood Object: TCP from 10.161.6.6 to local port 443 Object\Type: Network packet Object\Name: TCP from 10.161.6.6 to local port 443