nanog mailing list archives

RE: BCP38 exceptions for RFC1918 space


From: "Leigh Porter" <leigh.porter () ukbroadband com>
Date: Mon, 23 Aug 2010 16:51:40 +0100

Oh I do, just not to my workstation ;-)

-----Original Message-----
From: Joel Jaeggli [mailto:joelja () bogus com] 
Sent: 23 August 2010 16:48
To: Leigh Porter
Cc: Valdis.Kletnieks () vt edu; Joe Greco; nanog () merit edu
Subject: Re: BCP38 exceptions for RFC1918 space

On 8/23/10 2:31 AM, Leigh Porter wrote:
I very often see 1918 space in ICMP responses. It's quite dumb.

you wouldn't if you filtered rfc 1918 source addresses on your border.

-----Original Message-----
From: Valdis.Kletnieks () vt edu [mailto:Valdis.Kletnieks () vt edu] 
Sent: 16 August 2010 14:27
To: Joe Greco
Cc: nanog () merit edu
Subject: Re: BCP38 exceptions for RFC1918 space

On Mon, 16 Aug 2010 06:50:00 CDT, Joe Greco said:

What *possible* use case would require a 1918-sourced packet to be 
traversing the public internet? We're all waiting with bated breath 
to hear this one. ;)

It's great for showing in traceroutes who the heel is.

Like I said, at that point it's name-n-shame time.





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