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Forums » Up and Running » Security » Security » Multiple NAT active sessions to Domain Server
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Orangejuice
Know thyself
Premium
join:2007-12-11
Buffalo, NY
clubs:

Multiple NAT active sessions to Domain Server

This is something I have never paid attention to so it my be normal.

When I just checked the Status page of my router I noticed that there were over 20 UDP NAT active sessions to my Domain server.

If I check it every few minutes the number changes from none to as many as 20+

Is this normal? TWC is my service provider.

P.S I have no idea what NAT active sessions applies to
--
The man who has no imagination has no wings.
One of the most valuable things we can do to heal one another is listen to each other's stories.
permalink · 2009-07-03 20:08:56 · Print · Reply to this

nwrickert
sand groper
Premium,MVM
join:2004-09-04
Geneva, IL
·AT&T U-Verse
·AT&T Midwest

Re: Multiple NAT active sessions to Domain Server

That's probably reasonable.

Each DNS query uses a different UDP port, so that will be a new UDP NAT session per query, until it times out of the NAT table.
--
AT&T dsl; Speedstream 5100b modem; openSuSE 11.0; firefox 3.0.11
permalink · 2009-07-03 20:53:48 · Reply to this

Orangejuice
Know thyself
Premium
join:2007-12-11
Buffalo, NY
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Re: Multiple NAT active sessions to Domain Server

Thank You
permalink · 2009-07-04 07:20:43 · Reply to this
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