Re: Host scanning in IPv6 Networks

2012-04-24 Thread Tei
On 20 April 2012 17:16, Owen DeLong wrote: >>> >> exec ? >> exceed ? >> > > Not a lot of x's in hexidecimal numbers outside of C-style formatting > (0x). > > IPv6 addresses are not generally notated in said style and certainly don't > include said x in a suitable context for that to be part

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Fernando Gont
Hi, Jimmy, On 04/20/2012 09:22 PM, Jimmy Hess wrote: > The mathematical argument in the draft doesn't really work, because > it's too focused on there being "one specific site" that can be > scanned. Not sure what you mean. Clearly, in the IPv6 world you'd target specific networks. How could

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Jimmy Hess
For certain definitions of "host scanning" it is possible to achieve some level of that in IPv6. But massively far less efficient and far more limited than the brute force option that is available in IPv4. The mathematical argument in the draft doesn't really work, because it's too focused on t

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Steven Bellovin
Also see https://www.cs.columbia.edu/~smb/papers/v6worms.pdf (Worm propagation strategies in an IPv6 Internet. ;login:, pages 70-76, February 2006.) On Apr 20, 2012, at 3:08 50AM, Fernando Gont wrote: > FYI > > Original Message > Subject: IPv6 host scanning in IPv6 > Date: Fri

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Scott Weeks
> Original Message > From: Fernando Gont > We've just published an IETF internet-draft about IPv6 host scanning > attacks. --- oscar.vi...@gmail.com wrote: From: Tei It would be a very fast dictionary attack :D accede bade feed

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Owen DeLong
>> > exec ? > exceed ? > Not a lot of x's in hexidecimal numbers outside of C-style formatting (0x). IPv6 addresses are not generally notated in said style and certainly don't include said x in a suitable context for that to be part of a dictionary attack. However, he also left out the co

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Steve Clark
On 04/20/2012 08:17 AM, Tei wrote: It would be a very fast dictionary attack :D accede bade dad decade face axed babe deaf bed Abe bee Decca exec fade bead bedded deed exceed Abba deface efface feed On 20 April 2012 09:08, Fernando Gont wrote: FYI Original Message Subject:

Re: Host scanning in IPv6 Networks

2012-04-20 Thread Tei
It would be a very fast dictionary attack :D accede bade dad decade face axed babe deaf bed Abe bee Decca exec fade bead bedded deed exceed Abba deface efface feed On 20 April 2012 09:08, Fernando Gont wrote: > FYI > > Original Message > Subject: IPv6 host scanning in IPv6 > D