MD5 for TCP/BGP Sessions
Stephen J. Wilcox
steve at telecomplete.co.uk
Thu Mar 31 10:27:06 UTC 2005
On Thu, 31 Mar 2005, Pekka Savola wrote:
> On Thu, 31 Mar 2005, Stephen J. Wilcox wrote:
> > without wishing to repeat what can be googled for.. putting acls on your edge to
> > protect your ebgp sessions wont work for obvious reasons -- to spoof data and
> > disrupt a session you have to spoof the srcip which of course the acl will allow
> > in
>
> This is why this helps for eBGP sessions only the peer is also protecting its
> borders. I.e., if you know the peer's network has spoofing-prevention enabled,
> nobody is able to spoof the srcip the peer uses.
trusting a third party to protect your network is imho not best practice, in
addition many networks may have considerable customers inside them making
attacking from inside trivial
Steve
More information about the NANOG
mailing list