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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!
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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
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—–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