Hi,
I run gUFW to enter data into my firewall, and am very restrictive on what is permitted.
Gmail is running me ragged lately with many changes of IP address, so I am entering yet another IP address and Ports 465 and 995 TCP out in the advanced tab.
Today I came across an error every time I entered the rule to allow Out, TCP, To the new IP Ports 465,995.
I thought I've been using a comma between the port numbers, that is the way the rules already set are listed, but I just kept getting refused with an error.
At last, I eliminated ",995" and set the rule to allow out to the new IP address port 465, and set a second rule to allow for port 995.
I Googled and came up with man pages that don't address the issue, other web posts that fall short of addressing the issue, and decided to post.
I CAN specify one port by using its number alone in the Ports box in gUFW.
I CAN specify a range of ports by specifying two numbers with a colon (:) between them. (Just checked)
How do I specify this IP address and Ports 465 AND 995?? I THOUGHT it was done by placing a comma.
I use Thunderbird to interface with my Gmail account. I long ago gave up on Google's redesign of the Gmail interface on its web mail. And everything works well.
Now maybe there's another way to set this up so by policy Thunderbird has access to pop.gmail.com port 995 regardless of this hour's IP address, and to smtp.gmail.com port 465 (I'll check my server settings to ensure the correct host names). Can someone point me to some reading material on this idea?
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