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IPSec works and then doesn't ??

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Subject Author Date
IPSec works and then doesn't ?? Jeremy 10-04-2007
Posted by Jeremy on October 4, 2007, 5:19 pm
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I configured the local security policies on a Windows 2003 Server and an XP
workstation to use IPSec when the XP machine connects to a file share on the
server. (Not on a domain, not using certs)

Now, I'm trying to verify that the connection is actually encrypted, and to
do this I'm mainly capturing packets.

But what I'm having a problem with is that sometimes the connection is
encrypted and sometimes it isn't. Huh? It's really strange that sometimes i
can restart the workstation and it'll work and then i can restart again and
it won't. Or I can make a change like enabling an IP filter and it will work
for a little while then quit working and then i can disable the same filter
and it will work and then again quit working.

Does anyone else have these types of problems or have an idea what might be
causing this???

Here are some specifics on the current setup:
Client:
-Has an IP filter that has an any, any to the IP address of the server
-Requests Security/Negotiate
-All connections
-No tunnel
-Using PSK

Server:
-IP filter for any connecting to port 445
-Requests Security
-No tunnel
-Also using PSK

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