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I have installed and web application which is running on port 8080 on RHEL (centOS). I only have command line access to that machine. I have tried to access that application from my windows machine from which I am connected to server via command-line, but it is giving connection time out error.
Then I have tried to open port 8080. I have added following entry into the iptables.
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
After adding this into the iptables I have restarted it with - /etc/init.d/iptables restart
But still I am not able to access that application from my windows machine.
Am I doing any mistake or missing something?
779
Answer: From the Control Panel, navigate to System and Security, and click on Windows Firewall. Go to the Advanced settings and right-click on Inbound Rules on the left pane. Select New Rule, add the port and click Next. Pick the Protocol and the Port Number, click Next again.
The procedure to list open ports in Linux is as follows: Open the terminal application. Use command netstat -tulpn to open ports. Another option is to run ss -tulpn to open ports on modern Linux distros.
The following configs works on Cent OS 6 or earlier
As stated above first have to disable selinux.
Step 1 nano /etc/sysconfig/selinux
Make sure the file has this configurations
SELINUX=disabled SELINUXTYPE=targeted Then restart the system
Step 2
iptables -A INPUT -m state --state NEW -p tcp --dport 8080 -j ACCEPT Step 3
sudo service iptables save For Cent OS 7
step 1
firewall-cmd --zone=public --permanent --add-port=8080/tcp Step 2
firewall-cmd --reload If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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