Add Port in firewall On Redhat/CentOs 7


follow link Sometimes we need to block some unnecessary port to block or disable as of security. It’s a good practice to keep only required port open and block all other port which are not in used. First of all I will show you how to open/add port in firewall.

source link Step 1: Add Port in firewall As you can see there is only one port is added in my machine which is for postgresql

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Let’s suppose, we have to add port 80 in firewall using firewalld command in redhat 7 version and you can use iptables in redhat version 6.

trading automatico opzioni binarie optionsxo firewall-cmd –permanent –zone=public –add-port=80/tcp

We have added port 80 of httpd in firewall it will work until you do not reload the firewall firewall-cmd –reload

Per chi si avvicina per la prima volta al trading, fare un buon online può essere veramente utile. La verità è che il trading non è Step 2 : Check port has been added in firewall firewall-cmd –list-ports

follow link Step 3 : Now restart the service of firewall.

order Pregabalin online Systemctl restart firewalld

You’re done.


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