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Category Archives: Ubuntu
Suricata and fail2ban
In case you want to ban IP addresses based on Suricata fast.log, here is the filter you need: In the jail configuration, I suggest you change the default blocktype from REJECT to DROP. Edit 2023-03-24: you may want to use … Continue reading
Posted in Computer, Linux, Networking, Security, Ubuntu
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Deprecation of apt-key in Debian-based distributions
I recently installed an Ubuntu 21.04 and when I wanted to install Atom editor, I was given the following warning about apt-key being deprecated: After a bit of Googling around, I stumbled on this post on askubuntu.com explaining why apt-key … Continue reading