Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What TCP/UDP ports should be left open on a firewall?

April 26, 2017firewall Left ports TCP UDP

0

Posted

What TCP/UDP ports should be left open on a firewall?

1 Answer

0

Posted

Where possible, no ports should be left open. Open ports on an as-needed basis, perhaps for games, IRC, ICQ, streaming video, web server etc. If you have no idea why you should open a port, and have no problem to solved, then no ports need opening.