Should run with sudo
If you changed the default policy on any chain other than filter table chain's, this won't be enough.
this alternative shows the differences as they occur so that they are made plain Show Sample Output
These series of commands allows you all at once to make a backup of your current config, edit that config, then saves it as the running config and makes it persistent. I would advise knowing what your doing to the config before running this because if you mess up say the port 22 portion, you may get knocked off the system. ;) Don't say I didn't warn ya!
This will highlight (with a box over it) any changes since the last refresh.
Block given ip for X seconds and then automatically unban.
Whe you need hide ":8080" from your URL with out change tomcat config files. Change "eno12345678" with your network interface
Was to long with a loop, use a while loop for have it running 24/7
This command will open tcp port 3000 in your machine
To save all rules so that they are not lost in case of a server reboot: /etc/init.d/iptables save
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