From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Sat Mar 01 2008 - 05:47:06 ARST
Just another example of the importance of understanding best practices
regarding BGP usage it seems to me. You can learn just enough to be really
dangerous with this stuff, at least that's what all the reading illustrated
to me a few years back.
Gary
----- Original Message -----
From: "Scott Morris" <smorris@ipexpert.com>
To: "'Joseph Brunner'" <joe@affirmedsystems.com>; "'Shawn Zandi'"
<szmetal@gmail.com>; "'Cisco certification'" <ccielab@groupstudy.com>
Sent: Saturday, March 01, 2008 2:51 AM
Subject: RE: Youtube BGP/IP hijacked
> That depends on the provider... But if you look at the BGP table, you'll
> even find /29's advertised. not many of them, 'cause it's stupid. But
> you'll find it. :)
>
> -----Original Message-----
> From: Joseph Brunner [mailto:joe@affirmedsystems.com]
> Sent: Friday, February 29, 2008 7:14 PM
> To: 'Scott Morris'; 'Shawn Zandi'; 'Cisco certification'
> Subject: RE: Youtube BGP/IP hijacked
>
> Scott, re "the youtube engineer's fix" from the ripe page of advertising 2
> /25's to be longer prefix matches then the /24 pakistan was hijacking-
>
> Don't most providers deny 0.0.0.0/0 ge 25
>
> Anyway?
>
> Who accepted a /25?
>
> Or all these years have I been fooled into thinking only 0.0.0.0/0 le 24
> will work?
>
> Thanks,
>
> Joe
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Scott Morris
> Sent: Friday, February 29, 2008 1:25 PM
> To: 'Shawn Zandi'; 'Cisco certification'
> Subject: RE: Youtube BGP/IP hijacked
>
> This is why filtering in BGP (in and out) is a good idea. But also a
> demonstration of lack-of-BGP skills on a global basis!
>
> Marketing opportunity? :)
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> JNCIE-M
> #153, JNCIS-ER, CISSP, et al.
> CCSI/JNCI-M/JNCI-ER
> VP - Technical Training - IPexpert, Inc.
> IPexpert Sr. Technical Instructor
>
> A Cisco Learning Partner - We Accept Learning Credits!
>
> smorris@ipexpert.com
>
>
>
> Telephone: +1.810.326.1444
> Fax: +1.810.454.0130
> http://www.ipexpert.com
>
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Shawn Zandi
> Sent: Friday, February 29, 2008 12:56 PM
> To: Cisco certification
> Subject: Youtube BGP/IP hijacked
>
> As you may be aware from recent news reports, traffic to the youtube.com
> website was 'hijacked' on a global scale on Sunday, 24 February 2008.
> The incident was a result of the unauthorized BGP announcement of the
> prefix
> 208.65.153.0/24 and caused the popular video sharing website to become
> unreachable from most, if not all, of the Internet.
> http://www.ripe.net/news/study-youtube-hijacking.html
>
> Shawn Zandi
> www.shafagh.com
>
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