nanog mailing list archives

Re: smurf


From: Paul Ferguson <ferguson () cisco com>
Date: Wed, 10 Dec 1997 07:22:12 -0500

This is also mentioned in the *-03.txt version of the
ingress filtering draft:

 ftp://ds.internic.net/internet-drafts/draft-ferguson-ingress-filtering-03.txt

- paul


At 03:13 PM 12/8/97 -0800, Craig A. Huegen wrote:


It's a requirement per the RFC:

(from my smurf paper)

RFC 1812,
"Requirements for IP Version 4 Routers", Section 5.3.5, specifies: 

---
  A router MAY have an option to disable receiving network-prefix-
  directed broadcasts on an interface and MUST have an option to
  disable forwarding network-prefix-directed broadcasts.  These options
  MUST default to permit receiving and forwarding network-prefix-
  directed broadcasts.
---




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