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Hetzner Cloud has introduced statefull Firewall Beta [free]
I thought to share with community about Statefull firewall that can be created assigned to your cloud server with a click of button.
some screenshot taken on firewall beta [hetzner] under my own customer panel.
https://snipboard.io/WID6tF.jpg
https://snipboard.io/QLIUM0.jpg
https://snipboard.io/SzoUDY.jpg
https://snipboard.io/traFO1.jpg
More information kindly visit below:-
Comments
Should have posted before all this DDoS thing began here..
LET has better protection and they have their own rules set configured working flawlessly.
What's the advantage over iptables rules set? Looks like a manual action, no AI analysis or such.
I have to admit I'm quite disapointed by this feature, it's not a per server feature like you would expect! You have to create a firewall accepting or blocking a specific set of ports and then affect it to one or multiple servers ...
... But ... each customer and each server have different rules and ports ... I don't want to share firewall rules between customers or between vms!!
Also here are the limits per Hetzner account:
Firewalls: 50
Firewall rules: 500
firewalls per server: 5
@angelius you can get in contact with Hetzner , to get these limits raised,
this is a default allocation they provide, as everything within the cloud panel is limited but by creating a ticket with them , these limits will be raised if you justify why you need raised
It won't saturate your link. With iptables, you still have packets arriving in your VM and then dropped. Firewall makes it like your VM is unaware of a firewall.
If you forget this (where did you setup the rules) - it can drive you insane when searching for a problem...
I did ... here is their answer
"Unfortunately the firewalls are still in BETA. It is not possible to get a limit increase above the 50 firewalls."
I've personally noticed my server's connectivity randomly dying for about 30-40 seconds with this firewall.
I imagine this will be fixed at some point soon though, hopefully. It is in beta after all.
have you troubleshoot the cause? like finiding which rules has issue?
I only have 2 rules.
1: Allow all from my tunnel IP for management incl. SSH.
2: Allow all to my application's port.
All connections die, though. I haven't noticed a pattern to it, just that at some point once or twice a day, connectivity is lost for 30-40 seconds.