nanog mailing list archives

Re: Is AS information useful for security?

From: Eric <eric () roxanne org>
Date: Thu, 15 Dec 2011 21:05:35 -0500

It's useful in terms of remediation as it can help identify through which "door" packets entered your  network.  
Though, as others will undoubtedly point out, it's trustworthiness will depend upon how you derive the AS mapping and 
upon other security features  (e.g. uRPF)

-- Eric :)

On Thu, 15 Dec 2011, Joe Loiacono wrote:

Is a good knowledge of either origin-AS, or next-AS with respect to flows
valuable in establishing, monitoring, or re-enforcing a security posture?
In what way?

Current thread:

Is AS information useful for security? Joe Loiacono (Dec 15)
- Re: Is AS information useful for security? Justin M. Streiner (Dec 15)
  - RE: Is AS information useful for security? Drew Weaver (Dec 15)
    - Re: Is AS information useful for security? Paolo Lucente (Dec 15)
    - Re: Is AS information useful for security? Patrick Sumby (Dec 16)
  - Re: Is AS information useful for security? Eric (Dec 15)