Fabian Gervan wrote: > I have a problem with redhat 7.1 kernel 2.4.9, no firewall. > i can't telnet to some mail servers (port 25). > > [root@qmail /]# telnet bombay.telecom.com.ar 25 > Trying 200.3.94.68... > (timeout). > > To others server, it work fine. Do you have ECN enabled? If /proc/sys/net/ipv4/tcp_ecn exists, try: echo 0 > /proc/sys/net/ipv4/tcp_ecn -- Glynn Clements <glynn.clements@virgin.net> - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
