nanog mailing list archives

Re: traffic filtering


From: "Stephen J. Wilcox" <steve () opaltelecom co uk>
Date: Thu, 24 Jan 2002 16:17:10 +0000 (GMT)


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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