Re: (cisco, or any) acl *reducers* out there?

2010-10-01 Thread Andy Davidson
On 19 Aug 2010, at 04:23, George Michaelson wrote: something which can take a couple of hundred basic and extended ACLs and tell you these ten don't work these twenty conflict the remaining x have a sequence and can reduce to this basic x-y set A reasonable call. Its probably where we'll

Re: (cisco, or any) acl *reducers* out there?

2010-08-24 Thread Brian Spade
Maybe FLINT? http://www.matasano.com/playbook/flint Never tried it so feedback is welcome... :-) /bs On Wed, Aug 18, 2010 at 5:38 PM, George Michaelson g...@apnic.net wrote: I have been looking at acl management s/w in the freecode space and I can find lots of tools which manage/distribute

Re: (cisco, or any) acl *reducers* out there?

2010-08-19 Thread Cat Okita
On Thu, 19 Aug 2010, George Michaelson wrote: I have been looking at acl management s/w in the freecode space and I can find lots of tools which manage/distribute and test ACLs in routers. I'm wondering if anyone has written a parser which can construct rule-trees and get rid of the cruft,

Re: (cisco, or any) acl *reducers* out there?

2010-08-19 Thread Christopher Morrow
On Thu, Aug 19, 2010 at 11:55 AM, Cat Okita c...@reptiles.org wrote: On Thu, 19 Aug 2010, George Michaelson wrote: I have been looking at acl management s/w in the freecode space and I can find lots of tools which manage/distribute and test ACLs in routers. I'm wondering if anyone has

Re: (cisco, or any) acl *reducers* out there?

2010-08-19 Thread Cat Okita
On Thu, 19 Aug 2010, Christopher Morrow wrote: this paper, while full of math and graphs and sh*t, doesn't make my acl management simpler, clearer or more complete... I keep trying to push my acls through the paper, no joy yet. there's code or something somewhere that implements the algorithms

Re: (cisco, or any) acl *reducers* out there?

2010-08-19 Thread Christopher Morrow
On Thu, Aug 19, 2010 at 2:18 PM, Cat Okita c...@reptiles.org wrote: On Thu, 19 Aug 2010, Christopher Morrow wrote: this paper, while full of math and graphs and sh*t, doesn't make my acl management simpler, clearer or more complete... I keep trying to push my acls through the paper, no joy

Re: (cisco, or any) acl *reducers* out there?

2010-08-19 Thread Michael Holstein
I'm wondering if anyone has written a parser which can construct rule-trees and get rid of the cruft, unusable, order-misorder and other issues in a large ACL pool? fwbuilder (www.fwbuilder.org) can import Cisco ACLs and impart a checkpoint-esque rule tree for you to look at, change,

(cisco, or any) acl *reducers* out there?

2010-08-18 Thread George Michaelson
I have been looking at acl management s/w in the freecode space and I can find lots of tools which manage/distribute and test ACLs in routers. I'm wondering if anyone has written a parser which can construct rule-trees and get rid of the cruft, unusable, order-misorder and other issues in a

Re: (cisco, or any) acl *reducers* out there?

2010-08-18 Thread Dobbins, Roland
On Aug 19, 2010, at 7:38 AM, George Michaelson wrote: (we've got the usual acquisition of rule by accretion problem across 4 edge/core routers with a mix of public facing, internal, WiFi, guest rules, and I hate to think this is either start from scratch, or intractable. The evidence is

Re: (cisco, or any) acl *reducers* out there?

2010-08-18 Thread Christopher Morrow
On Wed, Aug 18, 2010 at 8:47 PM, Dobbins, Roland rdobb...@arbor.net wrote: On Aug 19, 2010, at 7:38 AM, George Michaelson wrote: (we've got the usual acquisition of rule by accretion problem across 4 edge/core routers with a mix of public facing, internal, WiFi, guest rules, and I hate to

Re: (cisco, or any) acl *reducers* out there?

2010-08-18 Thread Randy Bush
something which can take a couple of hundred basic and extended ACLs and tell you these ten don't work these twenty conflict the remaining x have a sequence and can reduce to this basic x-y set maybe you could go the other direction. as opposed to trying to digest and correct cruft,

Re: (cisco, or any) acl *reducers* out there?

2010-08-18 Thread George Michaelson
On 19/08/2010, at 1:00 PM, Randy Bush wrote: something which can take a couple of hundred basic and extended ACLs and tell you these ten don't work these twenty conflict the remaining x have a sequence and can reduce to this basic x-y set maybe you could go the other direction. as

Re: (cisco, or any) acl *reducers* out there?

2010-08-18 Thread Randy Bush
one more comment. be careful aggregating filters. the peer may actually announce all those damed frags, especially in massively de-aggregated places such as india, indonesia, ... randy

Re: (cisco, or any) acl *reducers* out there?

2010-08-18 Thread George Michaelson
On 19/08/2010, at 1:38 PM, Randy Bush wrote: one more comment. be careful aggregating filters. the peer may actually announce all those damed frags, especially in massively de-aggregated places such as india, indonesia, ... randy I should have been clearer that I really only want to