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Suddenly can't connect to specific websites' portnumber

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Suddenly can't connect to specific websites' portnumber - 5.Nov.2008 5:56:17 AM

M_P

Posts: 3
Joined: 5.Nov.2008
Status: offline

All clients connect through ISA Server 2004. We have an external webserver which I need to connect to about every day. I connect with the webbrowser through port 2222, like server.domain.tld:2222

As from yesterday I can't connect to the server anymore like this. I do can connect with ssh, and browse all the sites on it. From other places outside the building, connecting is fine. And we also have another webserver at the same location, but with a different IP-address. Connecting through port 2222 on that one works fine.

Another problem occured at the same time with ftp connection to the webserver. I had to change the connection mode from passive to active, otherwise I couldn't see the directory listing.

The hosting provider didn't change a thing. Because these problems only occure from this building, I believe something happened in the Firewall settings (like a blacklist or so?).

Can anyone make something of my story and help me out? I'm a newbie on ISA. The server was installed by a former colleague.

< Message edited by M_P -- 6.Nov.2008 9:21:10 AM >