On Wed, May 29, 2002 at 04:33:34PM +0300, Tzafrir Cohen wrote: > Hi > > I noticed that my linux server was unable to connect to some remote smtp > server. Simple 'telnet remoteserver 25' gives a timeout (no connection > seems to be established). When I try to connect from some windows > workstation I have no problem.
Broken firewalls blocking ECN? (Explicit Congestion Notification, see http://www.icir.org/floyd/ecn.html. Recently became a standard). try "echo 0 > /proc/sys/net/ipv4/tcp_ecn", if ECN is indeed the problem. -- Sunday 7 Forelithe 7466 http://vipe.technion.ac.il/~mulix/ http://syscalltrack.sf.net/ ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]