Once you start to use fail2ban on more than one machine you’ll get to the point where you’d like to apply the IP blocking to machines other than the local one. While there are other (partially commercial) solutions to do that, I still decided to go with fail2ban. Please consider the following description as a […]
Category: Firewall
The main challenge to do so, is to make this change permanent (as the OPNsense web frontend does not support that kind of config modification). So here’s a short wrap up of the things required: Now edit custom.users: Rebuild the template files and restart freeradius: And the tests results look like this: In my case […]
Due to some hardware problems with my switches (cheap Chinese ones) I recently decided to switch my core home network to Ubiquity systems. Only 3 weeks later I had to realize that my old FritzBox had lost its 2.4 GHz WiFi (seems to be quite common and may obviously go unnoticed for a long time […]
Categories
Wifi-Calling & firewall fun
I had observed odd firewall log entries from my cell phone and now I finally found some time to look into it. So here are my findings – maybe they help someone out there 😉 Traces in firewall logs So what did I observe: First of all my firewall complained about certain connections from my […]