[17335] in North American Network Operators' Group
Re: ingress filtering
daemon@ATHENA.MIT.EDU (John Fraizer)
Fri May 29 11:05:52 1998
Date: Fri, 29 May 1998 10:44:16 -0400
To: Eric Germann <ekgermann@cctec.com>
From: John Fraizer <John.Fraizer@EnterZone.Net>
Cc: nanog@merit.edu
At 08:09 AM 5/29/98 -0400, you wrote:
>Actually it has nothing to do with WINS. If all the ISP's would implement
>solid in-addr.arpa reverse mappings, this would go away. Microsoft's DNS
>resolver has been extended, when DNS lookups fail, to do a reverse NETBIOS
>query against the target machine so it can use its name when displaying
>stuff via NBTSTAT, etc. It was designed this way, before the Internet
>became popular.
The reverse on the name being queried works just fine:
[OverKill]:/# nslookup www.stefcam.com
Server: NS1.ENTERZONE.NET
Address: 209.41.244.5
Name: STEFCAM.COM
Address: 209.41.244.238
Aliases: www.stefcam.com
[OverKill]:/# nslookup 209.41.244.238
Server: NS1.ENTERZONE.NET
Address: 209.41.244.5
Name: StefCAM.Com
Address: 209.41.244.238
-------
John Fraizer (root) | __ _ |
The System Administrator | / / (_)__ __ ____ __ | The choice
mailto:root@EnterZone.Net | / /__/ / _ \/ // /\ \/ / | of a GNU
http://www.EnterZone.Net/ | /____/_/_//_/\_,_/ /_/\_\ | Generation
A 486 is a terrible thing to waste...
