How to open port

English Network/Internet
#1

How do I open port 8100? I am able to telnet localhost 8100 I can connect; but when I go to a client and telnet server_ip 8100 I get Connection refused.
I can connect telnet server_ip 3306.
Any ideas?

#2

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sudo /sbin/yast firewall

Allow it (presumably TCP since you’re testing with something like telnet,
which should be replaced immediately with netcat) in the list of Allowed
Services (under Advanced most-likely).

Good luck.

On 11/16/2010 08:36 PM, sczlittle wrote:
>
> How do I open port 8100? I am able to telnet localhost 8100 I can
> connect; but when I go to a client and telnet server_ip 8100 I get
> Connection refused.
> I can connect telnet server_ip 3306.
> Any ideas?
>
>
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#3

On Tue November 16 2010 09:36 pm, sczlittle wrote:

>
> How do I open port 8100? I am able to telnet localhost 8100 I can
> connect; but when I go to a client and telnet server_ip 8100 I get
> Connection refused.
> I can connect telnet server_ip 3306.
> Any ideas?
>
>
sczlittle;

Look at YaST->Security and Users -> Firewall -> Allowed Services. Choose the
advanced tab and enter the TCP/UDP port to open. I use the ncurses form of
YaST so there may be some slight difference with the GUI, but in any event it
will be under Allowed Services.

P. V.
“We’re all in this together, I’m pulling for you.” Red Green

#4

Thanks guys.
All my firewalls are off.
I just found the problem.
The script wasn’t allowing any outside ip in.
$ SOFFICE_PATH-headless-nologo-nofirststartwizard-accept = “socket, host = 127.0.0.1, port = 8100; urp”
TO
$ SOFFICE_PATH-headless-nologo-nofirststartwizard-accept = “socket, host = 0, port = 8100; urp”
This does leave it open to any IP.

But it is working.

#5

This is where netstat or lsof would have been useful. You can see what ports are open on which addresses and by what process. You would have seen something like:

127.0.0.1:8100 … soffice

or similar.

#6

You are right. The server showed that it was working but I was unable to connect from any computers on my network. Took me all day to find the change the 127.0.0.1 to 0. And it was an old article that applied to openofice 2.4.

#7

Put host=server_ip (server_ip being your the ip of the server)

#8

Also a telnet to the address and port would have shown you if it was a firewall problem. No service listening elicits a connection refused message immediately, but a firewall DROP just hangs telnet.

#9

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<pedantic>
(depending on the Firewall rules with regard to how “blocked” ports are
handled, but that’s SUSE’s default for blocked ports, yeah).
</pedantic>

Good luck.

On 11/17/2010 07:36 AM, ken yap wrote:
>
> Also a telnet to the address and port would have shown you if it was a
> firewall problem. No service listening elicits a connection refused
> message immediately, but a firewall DROP just hangs telnet.
>
>
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