Subject: tcp_* settings change on the fly?

From: Asdo <[email-masked]>
Date: Thu, 03 Dec 2009 23:21:02 +0100

Hi all,
if I change some of the settings
/proc/sys/net/ipv4/tcp_*
does the change apply "on the fly" on existing established connections, 
or do I have to kill and reestablish the connections to have the change?
Thank you