nanog mailing list archives
Re: Request for comment -- BCP38
From: Ken Chase <math () sizone org>
Date: Mon, 26 Sep 2016 10:47:24 -0400
This might break some of those badly-behaving "dual ISP" COTS routers out there that use different inbound from outbound paths since each is the fastest of either link. I did this manually when I was messing around with multiple broadband links on a fbsd router years ago, was glad it worked at the time. /kc On Mon, Sep 26, 2016 at 07:11:42AM -0700, Paul Ferguson said: >No -- BCP38 only prescribes filtering outbound to ensure that no packets leave your network with IP source addresses which are not from within your legitimate allocation. > > - ferg > > >On September 26, 2016 7:05:49 AM PDT, Stephen Satchell <list () satchell net> wrote: >>Is this an accurate thumbnail summary of BCP38 (ignoring for the moment >> >>the issues of multi-home), or is there something I missed? >> >>> The basic philosophy of BCP38 boils down to two axioms: >>> >>> Don't let the "bad stuff" into your router >>> Don't let the "bad stuff" leave your router >>> >>> The original definition of "bad stuff" is limited to source- >>> address grooming both inbound and outbound. I've expanded on the >>> original definition by including rule generation to control >>> broadcast address abuse. > >-- >Sent from my Android device with K-9 Mail. Please excuse my brevity. -- Ken Chase - math () sizone org Toronto Canada
Current thread:
- Request for comment -- BCP38 Stephen Satchell (Sep 26)
- Re: Request for comment -- BCP38 Paul Ferguson (Sep 26)
- Re: Request for comment -- BCP38 Ken Chase (Sep 26)
- Re: Request for comment -- BCP38 Hugo Slabbert (Sep 26)
- Re: Request for comment -- BCP38 Laszlo Hanyecz (Sep 26)
- Re: Request for comment -- BCP38 Mike Hammett (Sep 26)
- Re: Request for comment -- BCP38 Baldur Norddahl (Sep 26)
- Re: Request for comment -- BCP38 Florian Weimer (Sep 26)
- Re: Request for comment -- BCP38 Baldur Norddahl (Sep 26)
- Re: Request for comment -- BCP38 Florian Weimer (Sep 27)
- Re: Request for comment -- BCP38 Jason Iannone (Sep 27)
- Re: Request for comment -- BCP38 Florian Weimer (Sep 27)
- Re: Request for comment -- BCP38 Stephen Satchell (Sep 27)
- Re: Request for comment -- BCP38 Ken Chase (Sep 26)
- Re: Request for comment -- BCP38 Paul Ferguson (Sep 26)