A Firewall Is A Network Security System That Monitors And Controls Incoming And Outgoing Network Traffic Based On Predetermined Security Rules.
A Firewall Typically Establishes A Barrier Between A Trusted Network And An Untrusted Network.

UFW

Uncomplicated Firewall (UFW) is a program for managing a netfilter firewall designed to be easy to use.

GUFW

GUFW is a graphical utility for managing Uncomplicated Firewall (UFW)


UFW Commands: [ Ссылка ]

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