Based on our record, SSHGuard seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
There are now better defensive tools (I use https://sshguard.net/); not that there are any accounts on this system that are vulnerable, but it does keep the relevant logfile from growing to astronomical size. Source: about 3 years ago
Fail2ban - Intrusion prevention framework
Zabbix - Track, record, alert and visualize performance and availability of IT resources
RdpGuard - RdpGuard allows you to protect your Remote Desktop (RDP), POP3, FTP, SMTP, IMAP, MSSQL, MySQL, VoIP/SIP from brute-force attacks by blocking attacker's IP address. Fail2Ban for Windows.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
IPBan - Block hacking attempts on RDP, SSH, SMTP and much more
Prometheus - An open-source systems monitoring and alerting toolkit.