ConfigServer Firewall is described as 'A Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application for Linux servers' and is a Firewall in the network & admin category. There are eight alternatives to ConfigServer Firewall for a variety of platforms, including Linux, VirtualBox, Self-Hosted, VMware vSphere Hypervisor and Microsoft Hyper-V Server apps. The best ConfigServer Firewall alternative is Fail2ban, which is both free and Open Source. Other great apps like ConfigServer Firewall are SSHGuard, IPBanPro, CacheGuard Gateway and AIDE.
Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. Generally Fail2Ban is then used to update firewall rules to reject the IP addresses for a specified amount of time...
SSHGuard monitors services through their logging activity. It reacts to messages about dangerous activity by blocking the source address with the local firewall. SSHGuard employs a clever parser that can transparently recognize several logging formats at once (syslog, syslog-ng...
IPBan is a FREE and open source application that allows auto banning ip addresses from failed login attempts. Many sources are watched such as SSH, SMTP, SQL-Server, MySQL, RDP and dropped packets.
CacheGuard Gateway is a free and open-source Unified Threat Management (UTM) solution, a Web Application Firewall (WAF), and a Quality of Service (QoS) platform designed to optimize WAN traffic. To obtain a CacheGuard Gateway appliance, download CacheGuard-OS and install it on...
Server-based firewall. Reacts to attacks with intelligent abilities to detect malicious attempts to enter and reacting by blocking the IP temporarily. Repeated hits will ban the IP completely.
iptablesbuild is effectively a configuration manager for iptables. It is intended to manage iptables configurations in a centralized location for multiple systems.
ferm is a tool to maintain complex firewalls, without having the trouble to rewrite the complex rules over and over again. ferm allows the entire firewall rule set to be stored in a separate file, and to be loaded with one command.
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