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
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