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Re: searching for Davide G. M. Salvetti [Mailer-Daemon@master.debian.org: Mail delivery failed: returning message to sender]



On Sat, Mar 17, 2001 at 01:19:23PM +0100, Christian Surchi wrote:
> What is ECN?

Explicit Congestion Notification.  It uses a couple of bits in the TCP
header that were previously reserved.  Unfortunately some routers and
load balancers have a nasty habit of replying to a TCP SYN packet with
ECN bits set with a RST.

For more details on ECN, see ftp://ftp.isi.edu/in-notes/rfc2481.txt

-- 
Drew Bloechl
drew@cesspool.net
PGP key ID: 33855516



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