Simple question hopefully.
I am doing some testing on some firewalls and have a question regarding Outlook Express.
I am running Ethereal to see exactly what is going over the line and to what ports. OE talks out on 110 retrieving mail but then the outside server responds on a 25xx port usually. I know this is common because the computer issues another port to continue the conversation on. How does this affect how you are setting up your firewall. Shouldn't the conversation bomb out because of the 25xx ports being used?
Thanks a million.