11 Dec
2010
11 Dec
'10
4:27 p.m.
On Fri, 10 Dec 2010 15:32:10 -0500 Drew Weaver <drew.weaver@thenap.com> wrote:
I should've "qualified" my question by saying "What valid application which traverses the Internet and could be seen at the edge of a network actually uses UDP 80?"
I'll grant that my response was a bit pedantic: there is no legitimate reason for such traffic to leave a network.
I can't imagine there is too much Cisco NAC client for macs carrying on over the Internet, although I have been wrong in the past.
I imagine you're right, and that any network that detects any significant amount would be one whose first octet is a common fourth-octet-of-a-gateway (1, 65, 129, etc). mc