Cannot telnet to a port from another server

[Tim Nelson]

service iptables status

to check the status of the personal firewall on the server


service iptables stop

stop the firewall if it is running..

[John Guster]

what is th eoutput of iptable -L?

[Steven Schweda]

> is the telnet service enabled on the server?

> what is the telnet entry in /etc/services?

He's not using the Telnet service, so none of
that matters. He's using a Telnet client as
a test program to probe other (non-Telnet)
ports. Unless you're trying to talk to port
23 (Telnet), no one cares if the Telnet
server is configured/running anywhere.

[Yaboto]

[root@rcbbkp /]# cat /etc/services | grep telnet
telnet 23/tcp
telnet 23/udp
rtelnet 107/tcp # Remote Telnet
rtelnet 107/udp
telnets 992/tcp
telnets 992/udp
skytelnet 1618/tcp # skytelnet
skytelnet 1618/udp # skytelnet
hp-3000-telnet 2564/tcp # HP 3000 NS/VT block mode telnet
tl1-telnet 3083/tcp # TL1-TELNET
tl1-telnet 3083/udp # TL1-TELNET
telnetcpcd 3696/tcp # Telnet Com Port Control
telnetcpcd 3696/udp # Telnet Com Port Control
scpi-telnet 5024/tcp # SCPI-TELNET
scpi-telnet 5024/udp # SCPI-TELNET
ktelnet 6623/tcp # Kerberos V5 Telnet
ktelnet 6623/udp # Kerberos V5 Telnet
[root@rcbbkp /]#

[root@rcbbkp /]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination
[root@rcbbkp /]#

[Steven Schweda]

> > > [...] It doesn't work [...]
> >
> > Which kind of "It doesn't work" is this?
>
> Still wondering...

My psychic powers are too weak to show me
the actual error message you see, so, unless
you show me, I won't know what it is.

> As usual, showing actual commands with their
> actual output can be more helpful than vague
> descriptions and interpretations.

Still true.

[Nunes_2]

Hi!


do cat /etc/services | grep 9500
cat /etc/services | grep 9501
cat /etc/services | grep 9502

look if there is there.
look the firewall log, maybe its locking.

Regards