SSHGuard might be a bit more popular than HeatShield. We know about 1 link to it since March 2021 and only 1 link to HeatShield. 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.
Now that you mention it, yes. I run serverpilot along with HeatShield.io. Source: over 2 years ago
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
ufw - Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall.
Fail2ban - Intrusion prevention framework
Advanced Policy Firewall - Server-based firewall.
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.
Emsisoft Online Armor Firewall - Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.
IPBan - Block hacking attempts on RDP, SSH, SMTP and much more