[SunHELP] netmasks

Bob C. Ruddy sunhelp at sunhelp.org
Tue Apr 3 06:16:26 CDT 2001


why would it not be a legite netmask? a network/netmask number of
0.0.0.0/0.0.0.0 will match any IP.

Bob

On Mon, 2 Apr 2001, Kevin Stevens wrote:

->
->----- Original Message -----
->From: "Alan Rubin" <rubin at ezy.net>
->To: <sunhelp at sunhelp.org>
->Sent: Monday, April 02, 2001 23:06
->Subject: [SunHELP] netmasks
->
->
->> Is there such a thing as a 0.0.0.0 netmask?  If so, what would be the /
->> notation?
->
->/0, I guess.  It's not really a legitimate mask/address (which is why you're
->trying to block it, of course), so how it's interpreted is going to be
->application-dependent.
->
->> I'm transposing firewall rulesets from Gauntlet to IP Filter and the
->> Gauntlet rules have some entries with a network address of 0.0.0.0 and a
->> netmask of 0.0.0.0.
->
->I'd suggest posting this on the ipfilter list ( ipfilter at coombs.anu.edu.au )
->and see what Darren says - it really depends on how IPF decides to handle it.
->
->KeS
->
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