[45239] in North American Network Operators' Group

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Re: traffic filtering

daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Thu Jan 24 11:18:01 2002

Date: Thu, 24 Jan 2002 16:17:10 +0000 (GMT)
From: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
To: Jay Ford <jay-ford@uiowa.edu>
Cc: nanog@merit.edu
In-Reply-To: <Pine.A41.4.31.0201241006500.13892-100000@handlebar.weeg.uiowa.edu>
Message-ID: <Pine.LNX.4.21.0201241616310.23765-100000@staff.opaltelecom.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu


On Thu, 24 Jan 2002, Jay Ford wrote:

> 
> On Tue, 22 Jan 2002, Joe Abley wrote:
> > I guess the rule of thumb when numbering devices which need to
> > coexist with Windows is "avoid 255".
> 
> How about "when doing networking avoid Windows" instead?  ;^)
> 
> Being at a site which not only uses .0 & .255 addresses in our network but
> also has a "255" in two of our our base net numbers (128.255.0.0/16 &
> 129.255.0.0/16), I appeal to sanity & common sense in requesting that folks

you appeal to 'sanity & common sense'.. good luck in your crusade!

hehe

> not blindly filter on octets of 0 or 255 when they don't (& can't) know the
> corresponding net masking.
> 
> ________________________________________________________________________
> Jay Ford, Network Engineering Group, Information Technology Services
> University of Iowa, Iowa City, IA 52242
> email: jay-ford@uiowa.edu, phone: 319-335-5555, fax: 319-335-5505
> 
> 

-- 
Stephen J. Wilcox
IP Services Manager, Opal Telecom
http://www.opaltelecom.co.uk/
Tel: 0161 222 2000
Fax: 0161 222 2008


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