TCP SYN Flooding Attacks and Common Mitigations
RFC 4987

Approval announcement
Draft of message to be sent after approval:

From: The IESG <>
To: IETF-Announce <>
Cc: Internet Architecture Board <>,
    RFC Editor <>, 
    tcpm mailing list <>, 
    tcpm chair <>
Subject: Document Action: 'TCP SYN Flooding Attacks and Common 
         Mitigations' to Informational RFC 

The IESG has approved the following document:

- 'TCP SYN Flooding Attacks and Common Mitigations '
   <draft-ietf-tcpm-syn-flood-06.txt> as an Informational RFC

This document is the product of the TCP Maintenance and Minor Extensions 
Working Group. 

The IESG contact persons are Lars Eggert and Magnus Westerlund.

A URL of this Internet-Draft is:

Technical Summary
   This document describes TCP SYN flooding attacks, which have been
   well-known to the community for several years.  Various
   countermeasures against these attacks, and the trade-offs of each,
   are described.  This document archives explanations of the attack
   and common defense techniques for the benefit of TCP implementers
   and administrators of TCP servers or networks.
Working Group Summary
   The consensus within the TCPM WG to publish this document as an
   informational RFC is strong.
Protocol Quality
   This document details several techniques that have been used in TCP
   implementations for many years.  The technology discussed in this
   document is not new, but rather this document is helping the
   RFC-series "catch up" with common practice and details experience
   with several mechanisms.


   The document shepherd for this document is Mark Allman (TCPM
   co-chair).  The responsible AD is Lars Eggert.