The simplest way to open up port 10000 is to use one of the Webmin firewall management modules, such as Linux Firewall, BSD Firewall or IPFilter Firewall. 22 and so on. Once this line has been added, you will need to apply the firewall configuration. This is typically done with the command /etc/init.d/iptables restart.

How to open port 22 on Centos? - CentOS Dec 29, 2009 networking - Open port 80 on Ubuntu server - Ask Ubuntu you can use sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT this accepts the port when it configures with the port to prevent from losing this terminal line of code you can use sudo apt-get install iptables-persistent The reason for sudo in the beggining of a command is to let it run as superuser the persistant uses it as a persistant connection to the port that is supplied. 25 Most Frequently Used Linux IPTables Rules Examples

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Iptables Essentials: Common Firewall Rules and Commands Aug 10, 2015

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How to Open Ports in Ubuntu and CentOS using IPtables Connect via SSH and list current IPtables. First of all, connect to your Linux VPS via SSH and list the … How to open SSH port 22 on Rehdat 7 Linux server