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telnet, ftp is running but can't connect from outside

 
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Old 01-14-2006
telnet, ftp is running but can't connect from outside
Yesterday, I and all my users couldn't connect to my server using ssh, telnet or ftp even though they were running (keep getting "connection timed out" error message).

This morning, my partner logon from the main console, restarted sshd and xinetd (I belive he didnt restarted the server), now I can ssh to my server, but telnet and ftp is still not accepting any connection from outside (I can telnet and ssh within the box). I believe this is because somehow my server doesn't accept any connection to port 21 & 23 even though they are open

Quote:
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
23/tcp open telnet
25/tcp open smtp
80/tcp open http
111/tcp open rpcbind
143/tcp open imap
443/tcp open https
587/tcp open submission
993/tcp open imaps
10000/tcp open snet-sensor-mgmt
Is there anyway I can fix it and what caused it?

Ps: My server is recently installed java 1.5 which have few issues with gentoo (the OS it's running). However, I only left it as user VM, and set 1.4.0.5 as server VM. But somehow, serverVM was changed to 1.5. So maybe this is the reason for the problem above?? But it doesn't make any sense to me
 
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LEARN ABOUT DEBIAN

rxtelnet

RXTELNET(1)						    BSD General Commands Manual 					       RXTELNET(1)

NAME

     rxtelnet -- start a telnet and forward X-connections.

SYNOPSIS

     rxtelnet [-l username] [-k] [-t telnet_args] [-x xterm_args] [-K kx_args] [-w term_emulator] [-b telnet_program] [-n] [-v] host [port]

DESCRIPTION

     The rxtelnet program starts an xterm window with a telnet to host host.  From this window you will also be able to run X clients that will be
     able to connect securely to your X server. If port is given, that port will be used instead of the default.

     If setting up the X forwarding failes, rxtelnet will still telnet in to the remote host, but without X forwarding.

     The supported options are:

     -l      Log in on the remote host as user username.

     -k      Disables keep-alives.

     -t      Send telnet_args as arguments to telnet.

     -x      Send xterm_args as arguments to xterm.

     -X      Send kx_args as arguments to kx.

     -w      Use term_emulator instead of xterm.

     -b      Use telnet_program instead of telnet.

     -n      Do not start any terminal emulator.

     -v      Be verbose.

EXAMPLE

     To login from host foo (where your display is) to host bar, you might do the following.

     1.   On foo: rxtelnet bar

     2.   You will get a new window with a telnet to bar.  In this window you will be able to start X clients.

SEE ALSO

     kx(1), rxterm(1), telnet(1), tenletxr(1), kxd(8)

KTH_KRB 							   March 7, 2004							   KTH_KRB