Check /etc/services for telnet entry? Are you running ssh?:wq On Fri, Oct 19, 2001 at 04:24:44PM +0100, Fabian Gervan wrote: > Hello , > 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. > > I put the same public IP in a redhat 6.2 (2.2.18) or windows2000 > profesional and then, y can telnet nicely.... > > [root@ftp /]# telnet bombay.telecom.com.ar 25 > Trying 200.3.94.68... > Connected to bombay.telecom.com.ar. > Escape character is '^]'. > 220 bombay.telecom.com.ar Generic SMTP handler > > > Any idea? > here is any configurations of my redhat 7.1: > > >[root@qmail /]# ip address show > 1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 brd 127.255.255.255 scope host lo > 2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc cbq qlen 100 > link/ether 00:50:04:7c:bd:1d brd ff:ff:ff:ff:ff:ff > inet 200.47.43.241/24 brd 200.47.43.255 scope global eth0 > inet 10.1.0.200/16 brd 10.1.255.255 scope global eth0:1 > 3: tunl0@NONE: <NOARP> mtu 1480 qdisc noop > link/ipip 0.0.0.0 brd 0.0.0.0 > 4: eth1: <BROADCAST,MULTICAST,PROMISC,UP> mtu 1500 qdisc cbq qlen 100 > link/ether 00:40:96:47:2e:93 brd ff:ff:ff:ff:ff:ff > inet 10.2.0.1/16 brd 10.0.0.255 scope global eth1 > > >[root@qmail /]# ip route show > 200.47.43.0/24 dev eth0 proto kernel scope link src 200.47.43.241 > 10.2.0.0/16 dev eth1 proto kernel scope link src 10.2.0.1 > 10.1.0.0/16 dev eth0 proto kernel scope link src 10.1.0.200 > 127.0.0.0/8 dev lo scope link > default via 200.47.43.254 dev eth0 > > >[root@qmail iptables]# iptables -L -n > Chain INPUT (policy ACCEPT) > target prot opt source destination > > Chain FORWARD (policy ACCEPT) > target prot opt source destination > all -- 10.2.0.0/16 10.1.0.0/16 > > Chain OUTPUT (policy ACCEPT) > target prot opt source destination > > >[root@qmail /]# ip rule show > 0: from all lookup local > 32766: from all lookup main > 32767: from all lookup 253 > > -- > Best regards, > Fabian mailto:fabian1@inter-k.com.ar > > > - > : 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 > - : 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
