Based on our record, Shorewall should be more popular than SSHGuard. It has been mentiond 6 times 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.
All mentioned items have side-channel borked firewall and route rules in the past. Some bugs intermittently silently block local daemon instances from (re)loading like magic (some bugs only happen when the system is brought up). If your daily tasks include something less borked, than consider yourself very lucky you live without systemd. If I recall, ufw was intended for simple workstation rule sets. Personally,... - Source: Hacker News / 9 months ago
I've been using Shorewall for the last decade or so on everything from custom OpenWRT firewall/gateway solutions to servers running Debian or Ubuntu. It's great software that makes managing iptables/netfilter a breeze. Alas after many years, Mr. Eastep has retired and it doesn't appear the project is maintained by a new person or team. Source: about 1 year ago
Shorewall (https://shorewall.org/) can do the job easily. Source: over 1 year ago
Despite administrating Linux machines since 1994, I have never really looked closely at iptables because I was using shorewall and the briefly firehol. Source: over 1 year ago
You should just use https://shorewall.org/. Source: almost 3 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
YaST - YaST is the installation and configuration tool for https://alternativeto.
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.
ferm - ferm is a tool to maintain complex firewalls, without having the trouble to rewrite the complex...
IPBan - Block hacking attempts on RDP, SSH, SMTP and much more