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BGP Security

BGP security: an overview of the RPKI framework

The Resource Public Key Infrastructure (RPKI) system is a way to couple an IP address range to an autonomous system number through cryptographic signatures,...

BGP security: the BGPsec protocol

In our last post, we took a look at RPKI. With RPKI, it's possible to reject prefixes that are originated by the wrong AS,...

BGP security

BGP security: announcing prefixes without authorization

In our last post, we looked at protecting the TCP session that carries BGP information between two routers, mainly against spoofed TCP resets. However,...

MD5 password

BGP Security: the MD5 password and GTSM

Back in the late 1980s and the early 1990s when BGP was developed, security was still an afterthought for protocols used on the internet....