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7 Changed Firewall Settings On It's Own?
I just spent the better part of a day trying to figure out why
the IP camera server on a remote PC had started FTP-ing zero-length files to my home PC. All I had done was: - Shut down the server PC - Move it from a Verizon DSL-connected site to a Comcast Cable-connected site That's all, nothing else... nada. Along with the move, the Ethernet connection to the new local LAN started having problems too. Somebody with more presence of mind than I thought to disable the connection and then re-enable it and the problem went away. What I eventually doped out my own was that Windows had removed parts (not all... just parts) of the firewall exceptions for the camera server - causing the FTPs to fail once the app tried actually transferring data. Could the firewall change have somehow been connected to Windows' changing my firewall settings all on it's own? -- Pete Cresswell |
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7 Changed Firewall Settings On It's Own?
Per (PeteCresswell):
Could the firewall change have somehow been connected to Windows' changing my firewall settings all on it's own? Oops... SHB: Could the Ethernet change have somehow been connected to Windows' changing my firewall settings all on it's own? -- Pete Cresswell |
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7 Changed Firewall Settings On It's Own?
(PeteCresswell) wrote:
Per (PeteCresswell): Could the firewall change have somehow been connected to Windows' changing my firewall settings all on it's own? Oops... SHB: Could the Ethernet change have somehow been connected to Windows' changing my firewall settings all on it's own? This is just a guess on my part, but the NIC on my PC is listed as "Local Area Connection 3", implying it has changed identities several times on its own. Presumably after some network changes caused by experiments. I would think, information input while it was "Local Area Connection 2", would not be inherited by the latest instance. Check your networking, and see if the identity has changed recently. For example, maybe you don't have a router between you and the modem. One ISP had something like PPPOE (and required PPPOE termination on the computer the modem was connected to), while the other ISP and method might have delivered ordinary Ethernet packets. Perhaps those changes caused the NIC identity to change. I don't really understand why the Local Area Connection number should change, when it's the same NIC chip it has always been. But one thing I did do, was temporarily connect the ADSL modem directly to the computer (while the modem was in bridged mode), so it would have used Windows built-in PPPOE termination for the duration of that experiment. The rest of the time, there is a 4 port router box stuffed in the path, and it takes care of PPPOE for me. Paul |
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