Testing connectivity to an URL

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# 1  
Old 03-17-2020
Testing connectivity to an URL


I need to access this URL from my laptop :

However, I am not able to. Error received was "Connection was reset".
(Attached image)

My laptop IP is, and I do a telnet to confirm the connectivity :

C:\Users\Owner>telnet 8081
Connecting To not open connection to the host, on port 8081: Connect failed


I do a curl directly from the host that runs the atricore modules :

[root@amanda-server etc]# curl -Is http://localhost:8081/atricore-console/ | head -1
HTTP/1.1 302 Found

This is the output from ss -tulpn for port 8081 :

tcp   LISTEN     0      50                                                            [::]:8081                                                                      [::]:*                   users:(("java",pid=11585,fd=339))

Correct me if I am wrong, but I believe the telnet clearly shows that the access to that ip and port is not available, and most probably due to physical firewall connection?
This is because there is no firewalld running within the server itself :

[root@amanda-server etc]# systemctl status firewalld
- firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:firewalld(1)
[root@amanda-server etc]#

And what does the status HTTP/1.1 302 Found mean from the curl output?
I hope opening the port at the physical firewall level will resolve this problem?

Last edited by anaigini45; 03-17-2020 at 06:11 AM..
# 2  
Old 03-17-2020
I would like to try and answer your question but I'm completely confused. We need a lot more information to even start to think about it.

However, let me state a couple of facts here (to prompt you to tell us more).

1. Your laptop ip address is and your server address is so if your subnet mask is (typical) then these two addresses are NOT on the same network and so your laptop will send the connection request to its configured gateway. (You could try changing your laptop ip address to 192.168.121.xxx to see if it connects then).

2. You specify a port number on a connection command line when you know that there is a listener on that port number at the other end for the network protocol/service that you are using. If you have a particular service listening on port 8081 then that port number is not also going to work for telnet protocol. By default (ie, without specifying a port number) telnet uses port 23. So you would not specify a different port number on a telnet command line unless you KNOW that a telnet listener is configured on port 8081 at the other end. Telnet will fail to connect otherwise.

If you know all this already then I apologize for not understanding your question but please provide much more information.

Q: Can you ping your target ip address? If that fails then fix that first.
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