Config firewalld » Historie » Version 1
Jeremias Keihsler, 10.09.2020 14:32
| 1 | 1 | Jeremias Keihsler | h1. Config firewalld |
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| 2 | |||
| 3 | have a look at |
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| 4 | * https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-using-firewalld-on-centos-8 |
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| 5 | * https://www.certdepot.net/rhel7-get-started-firewalld/ |
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| 6 | |||
| 7 | to forward a specific port (not yet working!) |
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| 8 | <pre><code class="bash"> |
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| 9 | firewall-cmd --zone=public --permanent --add-port=2222/tcp |
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| 10 | firewall-cmd --zone=public --add-masquerade --permanent |
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| 11 | firewall-cmd --zone=public --add-forward-port=port=2222:proto=tcp:toport=22:toaddr=192.168.122.80 --permanent |
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| 12 | firewall-cmd --reload |
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| 13 | firewall-cmd --zone=public --list-all |
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| 14 | </code></pre> |
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| 15 | |||
| 16 | h1. Testing |
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| 17 | |||
| 18 | you may consider http://portquiz.net/ |
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| 19 | |||
| 20 | <pre><code class="bash"> |
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| 21 | http://portquiz.net:1234/ |
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| 22 | </code></pre> |
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| 23 | |||
| 24 | This example tests whether you are able to visit outbound port 1234. You simply change the port number to whatever you like. Also, the site gives some examples that could be used in a command line script: |
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| 25 | |||
| 26 | <pre><code class="bash"> |
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| 27 | wget -qO- portquiz.net:1234 |
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| 28 | </code></pre> |
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| 29 | |||
| 30 | <pre><code class="bash"> |
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| 31 | Port 1234 test successful! |
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| 32 | Your IP: 198.252.206.16 |
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| 33 | </code></pre> |