ISP port blocking practice

Franck Martin franck at genius.com
Fri Sep 3 18:49:33 CDT 2010


I asked around and got this presentation, but you can search for OP25B too:

http://www.anacom.pt/streaming/Honda.pdf?contentId=988141&field=ATTACHED_FILE

Some non-anecdotal data about the effectiveness of blocking port 25.




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