How many legitimate cases when Origin AS in BGP announcement changed by another AS?

2011-01-04 Thread Akmal Shahbaz
Hi I am looking for example routing policies when any AS receiving BGP advertisement changes Origin AS in BGP AS set attribute to remove the received AS number and puts its own AS number.[legitimate cases] 1. customer AS advertises the prefix however provider AS announce the aggregate(super pr

Re: How many legitimate cases when Origin AS in BGP announcement changed by another AS?

2011-01-04 Thread Akmal Shahbaz
many legitimate cases when Origin AS in BGP announcement changed by another AS? To: "Akmal Shahbaz" Cc: nanog@nanog.org Date: Tuesday, January 4, 2011, 4:05 PM On Tue, Jan 04, 2011 at 04:38:19AM -0800, Akmal Shahbaz wrote a message of 443 lines which said: > I am looking for

Can Interdomain routing[BGP] self recover from prefix hijack?

2009-05-11 Thread Akmal Shahbaz
HiSolutions like BGPmon.net,Cyclops,etc are doing a very good job of alerting   about the prefix hijack/configuration erros/experiments gonig on/etc.But i would like to ask "Alerting the victim is the best we can do after detecting such incidents" or what else we can do?What do you think about "B

What ISP's looking for in a BGP Security Solution?

2009-01-15 Thread Akmal Shahbaz
Respected AllI would like to discuss some of the questions related to BGP Security which might be quite helpful in my research.1.What are you using now for BGP Security problems like Prefix hijacking,Path Spoofing,etc?2.What you would be looking for in any BGP Security Solution?3.Are solutions l