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Juniper SSG Close - TCP FIN on SMTP outgoing

Posted on 2010-11-19
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Last Modified: 2012-05-10
Hello Experts,

I have noticed that outgoing email from our exchange server has stopped.

looking at the logs on our juniper for the SMTP outbound permit policy i am seeing

Close - TCP FIN on SMTP traffic from our exchange server.

in the advanced tab we do have the box for source address translation checked.

any ideas?
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Question by:Dave_Angel_Portsmouth
2 Comments
 
LVL 17

Accepted Solution

by:
sgsm81 earned 250 total points
Comment Utility
Create a rule - trust/untrust - ip address of exchange server -> any, service - Mail - permit and log

Restart SMTP service
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LVL 6

Assisted Solution

by:alienXeno
alienXeno earned 250 total points
Comment Utility
a  snoop or a flowfilter might help you figure out why the juniper is denying the outbound traffic
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