Managing Linux firewall – ufw and firewall-cmd
devnull
These are just examples to pick your imagination, please do refrain from blindly coping and pasting as you can cut yourself off 😀 UFW quick setup (Debian/Ubuntu) aptitude install ufw…
debian
no kex alg
If you run ancient operating system with an old version of SSH client then you are going to hit this “No Kex Alg” problem soon. For example Solaris 9 $…