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Yes ufw is a command-line tool and gufw is the GUI version. Use the command: sudo ufw enable to enable the default firewall settings. This is set to deny incoming and allow out. To make things easy, gufw allows you to make rules that allow or deny certain services etc. and is a frontend to ufw. sudo apt-get update sudo apt-get install gufw Yes, you ...


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sudo iptables -L INPUT -v -n | less


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lock down all you or shut down all ports & to only use ssh & http & https just open thier ports flush to be confused that u know whats already defined $ iptables -F then drop all $ iptables -P INPUT DROP 1st for ssh port : IPTABLES to pop open port 22 $ iptables -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 ...


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You can see all the previously banned IPs through /var/log/fail2ban.log sudo zgrep 'Ban:' /var/log/fail2ban.log* Some bans are temporary though so I'm not sure how to best cancel those out (my fail2ban logs are empty which makes this harder to test!). You could enter into a big accounting scheme with awk but it's getting pretty dull. Anyway, that's the ...


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To answer the real question, about how to create your own application file, you only need to know that it is using windows INI file format (yuck). [appname] title=1-liner here description=a longer line here ports=1,2-10,30/tcp,50/udp,53 The ports line can specify multiple ports, with /udp or /tcp, to limit the protocol, otherwise it defaults to both. So, ...



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