Not able to connect windows on port 2321

[Vikas Thorat]

Hi Guru's,

I am trying to connect windows server to port 2321 from my HP-Unix 11i v2.

I am able to ping the windows server, and the service is running on this windows server.

When I am trying to telent this windows server using:

# telnet XXX.XXX.XXX.XXX 2321

Trying...
Connected to 172.17.114.35.
Escape character is '^]'.
Connection closed by foreign host.

Also, did "grep 2321 /etc/services" and not found this port in this file.

Please, help me to know what steps I should take to get connection to this windows server.

Thanks in advance.

regards,

Vikas

[Mel Burslan]

from the connection transcript, it does not sound like there is anything wrong with your hpux setup. You are able to connect to the windows server, but whatever process is listening to the port 2321, either does not like your IP address or expecting a "hello" handshake from you and not receiving it on time and closing the connection to protect itself from sniffers who connect to the port without knowing what to do, then trying to hack the system with attacks on that port.

Are you the person in charge of this windows server ? If so, what is the application listening on port 2321 ?

[johnsonpk]

Hi Vikas,

>>Also, did "grep 2321 /etc/services" and not found this port in this file.

It may not be there as it contains only most commonly used services and port by default

>>Please, help me to know what steps I should take to get connection to this windows server.

what type of you connection you are trying to establish ??

you telent command on 2321 clearly says that the server is reachable on that port from the unix


thanks!!
johnson

[Ganesan R]

Hi,

For me, everything is working as expected. You are able to connect to the windows server port number 2321. What else do you expect?

>>Also, did "grep 2321 /etc/services" and not found this port in this file.<<

You won't find. because port 2321 should be configured on windows server and should listen.

If you are connecting from other machine to hp-ux server port no 2321, then that port should have configured on /etc/services.

[Vikas Thorat]

The application websphere. My other team having ownership of that server.

[Vikas Thorat]

Yeah, thts true. I tried to put entry into /etc/services with :

2321 rdlp

But, I am still not able to connect to the server.

Giving same message.

[Mel Burslan]

Then you need to contact "the other team" who are in charge of the windows box to put a trace on the websphere process, maybe watch the logs, to figure out why it is closing connection, immediately upon establishing a connection to your server.

[Steven Schweda]

> [...] I tried to put entry into
> /etc/services with :
> [...]

I think that when you specify "2321" on your
Telnet command, no one is looking at
/etc/services for help in figuring out what
"2321" means.

> 2321 rdlp

You mean "rdlap"?

> But, I am still not able to connect to the
> server.

No, you did connect. The server apparently
didn't want to stay connected to you. What,
exactly, did you expect to happen?