A couple of decent barometers:
http://www.dshield.org/topports.php
and:
http://www.mynetwatchman.com/default.asp
- ferg
Not quite looking for tips to manage my network and ACL's or if should or
should not be blocking, more looking for actual ports that other ISP's are
blocking and why.
For example:
port 5 worm 2.5
port 67 virus 8.2