ISP port blocking practice
Valdis.Kletnieks at vt.edu
Valdis.Kletnieks at vt.edu
Fri Oct 23 05:29:01 UTC 2009
On Thu, 22 Oct 2009 22:36:13 EDT, Jon Kibler said:
> 4) Never allow traffic to ingress any network if the source address is bogus.
4a) Never flag a source address as bogus unless you can verify it is bogus
*today*, not when you installed the filter. Out of date bogon filters are evil.
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