After a MS Update, my Win2K3 Small Business Server has started blocking client machines on the network from accessing FTP sites.
You can Log Into the FTP sites with a username and password, but once you get to Listing the site contents it says Data Connection Can't Open or something similar.
If I connect directly to the DSL Router then that computer can access the FTP sites fine with no problem. Once I connect everything through the 24 port switch and the Router back up to the W2K Server, that same computer can no longer access the net.
The setup is:
INTERNET ----------Router <------------W2K3 Server------->LAN
The server has 2Nics.
I examined the Routing control panel and I'm not seeing anything that blocks FTP. So I just don't understand.
This is affecting work though, and I was wondering if anyone knew of this issue and could help with a fix?
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