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| | class="cli" | $ sudo firewall-cmd --zone=public --remove-port=55301/tcp --permanent<br>$ sudo firewall-cmd --reload | | | class="cli" | $ sudo firewall-cmd --zone=public --remove-port=55301/tcp --permanent<br>$ sudo firewall-cmd --reload |
| | {{testedon|2020-04-21|CentOS 7.7.1908}} | | | {{testedon|2020-04-21|CentOS 7.7.1908}} |
| |}
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| == SSH Tunneling ==
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| Say I'm trying to access 10.101.1.10 server via SSH which is behind a restrictive firewall through 64.106.170.61. The first command will map the port 50010 of the local machine to port 22 of 10.101.1.10 that is accessible from 64.106.170.61.
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| {| class="wikitable" border="1" style="border-collapse:collapse"
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| ! style="text-align: center;"| Description
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| ! Command
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| ! Distro
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| |-
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| | Create a SSH tunnel & connect via port 50010
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| | class="cli" | $ ssh -L 50010:10.101.1.10:22 mhan@64.106.170.61<br>$ ssh -p 50010 127.0.0.1
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| |} | | |} |
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