RE: [fw-wiz] Cisco acls
MHawkins_at_TULLIB.COM
Date: 03/31/05
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To: Luke.Butcher@alphawest.com.au, stursa@mailer.fsu.edu Date: Wed, 30 Mar 2005 18:00:57 -0500
IOS versions from 12.1 and under sometimes (depending on the platform) won't
show any hits at all on ACL entries.
12.2 and up shows hits on both routing policy acl's and interface acl's.
Mike Hawkins
-----Original Message-----
From: firewall-wizards-admin@honor.icsalabs.com
[mailto:firewall-wizards-admin@honor.icsalabs.com] On Behalf Of Luke Butcher
Sent: Tuesday, March 29, 2005 5:29 PM
To: Scott Stursa
Cc: firewall-wizards@honor.icsalabs.com
Subject: RE: [fw-wiz] Cisco acls
From: Scott Stursa
Sent: Friday, 25 March 2005 4:54 AM
>> On Tue, 15 Mar 2005, Luke Butcher wrote:
>> Not sure about a lint checker and router ACLs unfortunately don't
show a hit count like PIX ones.
> Yes they do.
> The only place I've seen "missed" hits are on switches doing VLAN
switching. Although the initial handshake will
> generate hits, once it goes into switching mode the ACL will never see
the packets. The difference is clear if you
> have an ACL which begins with "permit tcp any any established"; on a
non-switched interface this line will show the > greatest number of hits
in the ACL, on a switched one it will show the lowest.
Sorry I meant in the way a PIX displays 'hitcnt=' right next to the line
when you do a show access-list. This makes it very easy to tell what
lines are being used and which ones aren't.
Regards,
Luke Butcher
Network/Security Consultant
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- Previous message: Kevin: "[fw-wiz] Re: Gauntlet End-Of-Support?"
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