I've got a machine outside my firewall on my subnet that I need to access a
Windows share on from inside the firewall. Until today this has worked fine,
but now it's started playing up. The PIX config has not changed. When I try
to connect or map a network drive I get a message in NT about the server not
being found, but I can ping the WINS name and get the right IP address.
Looking at my PIX log shows the following entry syntax for any connection
attempted:
%PIX-6-302002: Teardown TCP connection 5132238 faddr x.y.z.32/139 gaddr
x.y.z.82/6293 laddr w.x.y.14/1028 duration 0:00:00 bytes 0 (TCP Reset-O)
I can't find any info on what TCP Reset-O means. A dig around the web
reveals a post in July 2000 from someone else to this list showing the same
message but no replies to the list. I did have this once before but I resolved
that issue - I accidentally created 2 static mappings to the same internal IP
for 2 different public ips, and the first access to the second public IP disabled
the first public IP and resulted in this TCP Reset-O flag. I can find no
reference in the PIX config for the IP of the machine outside my firewall, and
yet I am unable to connect to it - no outbound rules block it (which would
result in a different log message) and the server is definitely up and
responding to the IP (I can connect to the web server on it using IE). Any
ideas?
Dan
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