3 Feb
2005
3 Feb
'05
5:26 p.m.
On Thu, 03 Feb 2005 12:16:41 EST, Jason Frisvold said:
Agreed. And depending on your service, there are different ports worth blocking. For residential users, I can't see a reason to not block something like Netbios. And blocking port 25 effectively prevents zombies from spamming. Unfortunately, it also blocks legitimate users from being able to use SMTP AUTH on a remote server..
There's a *reason* why RFC2476 specifies port 587....