Add Port in firewall On Redhat/CentOs 7

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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 http://creatingsparks.com.gridhosted.co.uk/team/claire/ Step 1: Add Port in firewall

http://www.industries3r.com/albiol/1021 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

http://www.jogadores.pt/?efioped=mujer-busca-hombre-teotihuacan&614=07 firewall-cmd –reload

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http://carbonbikerepair.com.au/?encifkodf=demo-opzioni-binarie-iq-options&e99=42 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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