[VoiceOps] Strange register attack

Jay Nugent jjn at nuge.com
Fri Nov 26 23:07:36 EST 2010


On Fri, 26 Nov 2010, Christian Pena wrote:

> I did it by creating a bogus session-agent (say with ip and set it in disabled state. Then routed the
> packets to that session agent by changing the route header to something like sip:

   Uh????  1/8 is an allocated network now.  It would be bad form to be 
pumping traffic toward their network as if it were a garbage pile or 
/dev/null.   Please be a good net citizen and pump black hole traffic 
toward a non-routable address like one from RFC1918 or a non-existant host 
on your own LAN.

   Here was IANA's announcement of the 1/8 address space:

-----Original Message-----
From: Leo Vegoda [mailto:leo.vegoda at icann.org] 
Sent: Thursday, January 21, 2010 6:37 PM
To: Leo Vegoda
Subject: 1/8 and 27/8 allocated to APNIC

The IANA IPv4 registry has been updated to reflect the allocation
of two /8 IPv4 blocks to APNIC in January 2010: 1/8 and
27/8. You can find the IANA IPv4 registry at:


Please update your filters as appropriate.
The IANA free pool contains 24 unallocated unicast IPv4 /8s.

Leo Vegoda
Number Resources Manager, IANA

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