sshguard

Protects from brute force attacks against ssh

Install

All systems
curl cmd.cat/sshguard.sh
Debian Debian
apt-get install sshguard
Ubuntu
apt-get install sshguard
Alpine
apk add sshguard
Arch Arch Linux
pacman -S sshguard
image/svg+xml Kali Linux
apt-get install sshguard
Windows (WSL2)
sudo apt-get update sudo apt-get install sshguard
OS X
brew install sshguard
Raspbian
apt-get install sshguard
Docker
docker run cmd.cat/sshguard sshguard powered by Commando

sshguard

Protects from brute force attacks against ssh

Protects networked hosts from the today's widespread brute force attacks against ssh servers. It detects such attacks and blocks the author's address with a firewall rule.