New answers tagged ufw
I've learned that this is problem with my OpenVZ VPS; you cannot modify kernel files on a non KVM system like OpenVZ. Your best bet is to forget about UFW entirely and write the iptable rules directly, or try this work around: http://blog.kylemanna.com/linux/2013/04/26/ufw-vps/
It's because a browser is changing the port: Try this for know the port: netstat -anp | grep But it's changing a lot (in my case). Similar inverse problem: https://answers.launchpad.net/ubuntu/+question/106974
Yes. I am analyse outgoing traffic also for 9 Feb. DOS activity is absent. Hetzner abuse support and attacked administrator is not respond on my letter. I am afraid for turning of my server from external network by mistake. Hetzner is practic this action because of DOS to client server or DOS out from client server.
I got similar letter from firstname.lastname@example.org yestoday. It have text from "attacked" administrator as your letter. I checked my server - all Ok. Nothing illegal activity. I think somebody wants to joke with Hetzner abuse support. Or want to down some servers.
According to a little more of research and hetzner feedback, it seems like is an IP spoofing problem ie: false source ip information. It seems like the attacker used (falsed) hetzner ips as source ip from the attack packets. So if you don't find any problem, it seems it was all false alarm for us.
You need to enable the firewall using sudo ufw enable After you enable, sudo ufw status verbose should show you the following: Status: active Logging: on (low) Default: deny (incoming), allow (outgoing) New profiles: skip To check more options use, ufw help For more on ufw logging, see this answer: UFW logging
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