Filtering ICMP (Was Re: SMURF amplifier block list)

Michael Shields shields at
Wed Apr 22 19:35:11 UTC 1998

In article <Pine.LNX.3.95.980421001700.3979H-100000 at>,
Mark Whitis <whitis at> wrote:
> Even then, your netmask should have 1s on the left and right
> (i.e. for a /16 subnetted at /8.

Discontiguous netmasks has been deprecated or unsupported for a very
long time.
Shields, CrossLink.

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