Re: ECN for servers ?

From: Graham Murray (
Date: Wed Feb 14 2001 - 17:11:57 EST

"H. Peter Anvin" <> writes:

> Con: people behind broken firewalls can't connect.

Are you sure that is correct? "Servers" normally listen for incoming
connections from clients rather than establish them[1]. So, if the
server implements ECN then it will respond appropriately to incoming
SYN packets irrespective of whether the ECN bits are set. People, who
use ECN, who are behind a broken firewall will have problems
connecting irrespective of whether or not the server implements ECN.

[1] Passive FTP being an exception.
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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:25 EST