Which TCP/UDP ports Avast uses?

Avast Free Antivirus / Premium Security
1

Hello. Which TCP/UDP ports should i allow for Avast home edition? What about ICMP-protocol? Thanks in advance.

2

In help file you will see avast uses the default ports:

pop: 110
smtp: 25
imap: 143

You can change them in avast4.ini file.
I don’t know about the ICMP protocol…