I've recently signed up for RCN's 1 Gig service, and they came over swapped my router with a Ubee UBC1301 Modem/Router.
I'm having issues SSH'ing into my remote machines, I've kinda came to the conclusion that Port 22 is blocked somewhere on the modem. I have no problem with SSH on my machine, using my other internet connections (like at work, or my phone's 4G via tethering) So this is purely an outbound issue.
Poking around the modem's configuration, there are a bunch of options, but I'm not sure if they are actually doing anything. Gateway > Advanced Settings > Options do show that IPSEC and PPTP are checked, and I've turned off Firewall on the modem. Other than that the Ping diagnostic tool seems to be buggy, leading me to think there are possible issues with the firmware. Perhaps the modem is defective?
I've called tech support asking if there are ports that could be blocked, and I was told there aren't, which makes sense, since I had no issue when I previously had 330Mbit service.
I've did a search and found one other user here https://superuser.com/questions/1211273/github-ssh-connection-hangs with almost the same issue, but there doesn't seem to be any solution.
Any help or suggestions would be great.
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