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I'll show you how to set up a firewall and lockdown the whole server for anyone to access. You can use knockd, where a special sequence will open the port for just that IP address. First, make a file called iptables.sh and copy the following into /etc/knockd.conf.
I am the founder of TigerTeamX a dedicated team of software developers on a mission to change the way people work.
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I am the founder of TigerTeamX a dedicated team of software developers on a mission to change the way people work.