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| =Der Dienst=
| | *[[Firewalld Schnelleinstieg]] |
| *systemctl stop firewalld.service | |
| *systemctl start firewalld.service
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| *systemctl status firewalld.service
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| =Ermitteln des Zustandes=
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| *firewall-cmd --state
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| =Webserver freischalten=
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| *firewall-cmd --zone=public --add-service=http --permanent
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| *firewall-cmd --zone=public --add-service=https --permanent
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| =Reload der Firewall=
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| *firewall-cmd --reload
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| =OpenVPN=
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| *firewall-cmd --zone=public --add-port=1194/udp
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| =Listing was freigeschaltet ist in der Public Zone=
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| *firewall-cmd --zone=public --list-services --permanent
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| =Alle Services=
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| *firewall-cmd --get-services
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| =Quelle=
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| *https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-using-firewalld-on-centos-8-de
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