Should I install OpenSnitch? Is it secure? Won’t it compromise my privacy? External Media GitHub - evilsocket/opensnitch: OpenSnitch is a GNU/Linux interactive application... OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch. …

I’m not sure how a firewall would compromise one’s privacy. OpenSnitch is a well-known tool that works great, from personal experience. Feel free to try it out if you want. I found it more reliable than Portmaster, especially when using a VPN.

I am not sure that this accomplishes that can’t be done with plain old iptables rules. Anyway a firewall isn’t usually needed on a workstation.

[image] Tux: plain old iptables rules Selective picking which server you do allow while visiting a website. Realistically not a viable solution when it comes down to manually managing a list of 500 endpoints. Sure, you can say “F U Github” but most of the time, it’s more granular and you mi…

I’ve been using it since September. Kinda tedious to setup initially given how many general apps require internet connections, but after the first day or two, it starts to fade into the background more and only pops up for new apps/connections. Definitely a great app that I recommend.

[image] anon92357554: Kinda tedious to setup initially given how many general apps require internet connections What do you mean? Can you explain? Because I am trying to build more secure setup. And get rid of any (if there is any) telemetry

First time you will start Little/Open Snitch it will ask you for allowing (or not) a connection to a server. Maybe you can guess the amount of servers/services your computer will be reaching out to but it can reach out about hundreds. And everytime you open a new website, it will ask you which serv…

So it’s a content blocker for the entire system. Not something I would consider doing as it’s a pain in the ass. I do run medium mode (block third party scripts/frames globally) in UBO though and I think it’s good enough.

UBO is nice in a browser but plenty of other programs want to run things too, it’s very nice for those use cases too. Also, nothing refrains you from allowing all the connections in your browser if you want to keep UBO-only there. :+1:t2: But there is definitely some patience to have if you want t…

What do you think about OpenSnitch?

Questions

Blackbird January 16, 2026, 9:40pm 10

GitHub - ph00lt0/blocklist: Blocklists for AdGuard Home, AdGuard, Little Snitch, Open Snitch, uBlock Origin, Brave Adblock, pfBlockerNG, and PiHole. Combine with Hagezi and OISD

Ideally you want to filter on 3 levels: browser (by Ublock Origin or natively in Brave, Device Firewall like Little Snitch and Network level DNS).

Best use-case for vpns [free plan]

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What do you think about OpenSnitch?

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