Cannot mount NAS shares (CIFS, SAMBA) from my new Panoramic residential service

Question

I just moved into an apartment served by Cox Panoramic internet service.

I am trying to mount SAMBA shares from my Linux box elsewhere, but my connection requests never seem to reach my NAS (the Linux box). This works from several other locations served by different ISPs, so I know that it is not the server end that is the problem.

Does the Cox network block my outgoing TCP connections to port 445?

Anyone else have hints?

And yes, I have edited /etc/samba/smb.conf on the server to include my apartment's external IP address.

chrisj2 · Answer

Hi, Lars. I'm glad to assist. We are blocking port 445 at the cable modem level, I must apologize. Here is an HTML page with a list of the blocked ports and reasons: https://www.cox.com/residential/support/internet-ports-blocked-or-restricted-by-cox.html. I'm so sorry for the inconvenience and I hope this helps explain.&nbsp;

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Cannot mount NAS shares (CIFS, SAMBA) from my new Panoramic residential service

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