How to open a port in Mint 19

[robt]

Forgive me if I did not post this in the correct place. I am new to Linux. I have installed Mint 19 Cinnamon on my computer. I am trying to run run Think or Swim software by TDAmeritrade and I was told I need to open Port 7009. Please tell me how to do this. Thanks.

[Mattyboy]

Code: Select all

man iptables

Code: Select all

iptables --help

Loads of iptables tuts on youtube.

[gm10]

^ that's harsh. That reminds me of the "why people go back to Windows" thread.

Just go to Firewall Configuration from the menu, check that your firewall is even running ("Status: "). It isn't enabled by default. If it's enabled, then click on rules, click the + at the bottom left to create a new one, then click on Simple and the rest should be self-explanatory.

[Mattyboy]

^ that's harsh. That reminds me of the "why people go back to Windows" thread.

Hey.. if you're gonna do it, do it properly

Yeah ok, fair point.. I forget about GUI options

[robt]

Thanks gm10 for your specific answer and help to my question. That was what I was looking for. Before posting I did a google search and a search here, but could not find an answer. I thought I would post here on the Linux Mint forums as my problem was specific to it.