jsBudbrainFirewall

jsBudbrainFirewall asks you before a program goes online. When an application
wants to connect to the internet – or accept a connection from outside – a
clear question appears: which program, which destination, which port. You
choose: allow or block, just now, for an hour, until the program ends, or for
good. Your answers become rules you can change at any time.

- One question at a time, even when many programs knock at once
- Every connection, in and out, neatly grouped by program
- Turn a rule from allow to block – and back – with one click
- Everything that was blocked – and why
- Live traffic of your computer at the top of the window
- One switch turns the whole firewall off and on

Available in 83 languages.

The firewall needs three permissions. Paste this one line into a terminal and
press Enter:

sudo sh -c 'for i in firewall-control network-observe system-observe; do snap connect jsbudbrainfirewall:$i; done; snap restart jsbudbrainfirewall'

Keywords: firewall, application firewall, outbound firewall, network
security, block connections, allow connections, internet access, privacy,
network monitor

Also available as .deb, RPM and for Arch at
www.budbrain.de