Showing 37 open source projects for "firewall rule analyzer"

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  • 1
    OpenSnitch

    OpenSnitch

    OpenSnitch is a GNU/Linux port of the Little Snitch firewall

    ...Double click on a row to view the details of a process, rule, host or user. Once you know which are the common processes, IPs and hosts that your machine is connecting to, you can start creating permanent rules (Duration: always) to deny or allow them. You can also convert temporary rules to permanent by right-clicking on a temporary rule or by double-clicking on it, and then edit it. By default OpenSnitch UI listens on a local Unix socket in /tmp/osui.sock.
    Downloads: 50 This Week
    Last Update:
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  • 2
    simplewall

    simplewall

    Simple tool to configure Windows Filtering Platform (WFP)

    ...Because simplewall leverages WFP directly, it operates at a low level in the network stack, ensuring reliable enforcement of rules system-wide while remaining lightweight. It also includes optional modes like blocking all inbound or outbound traffic except what’s explicitly allowed, and supports temporary rule application, logging, and diagnostic views to help users understand what traffic is being blocked or permitted.
    Downloads: 70 This Week
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  • 3
    Coraza

    Coraza

    OWASP Coraza WAF is a golang modsecurity compatible firewall library

    Coraza is an open-source, enterprise-grade, high-performance Web Application Firewall (WAF) ready to protect your beloved applications. It is written in Go, supports ModSecurity SecLang rulesets and is 100% compatible with the OWASP Core Rule Set. Coraza is a drop-in alternative to replace the soon-to-be abandoned Trustwave ModSecurity Engine and supports industry-standard SecLang rule sets. Coraza runs the OWASP Core Rule Set (CRS) to protect your web applications from a wide range of attacks, including the OWASP Top Ten, with a minimum of false alerts. ...
    Downloads: 1 This Week
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  • 4
    ProxySQL

    ProxySQL

    A high-performance MySQL proxy

    ...It was created due to a lack of high performance open source proxies, and is able to scale millions of connections across hundreds of thousands of backend servers, all while getting the freedom of being open source. ProxySQL provides end-to-end MySQL connection handling, real-time statistics and database traffic inspection. It's got failover detection, rich query rule definitions, and a database firewall that protects your database from malicious activity or problematic application deployments. ProxySQL is trusted by numerous organizations throughout the world to meet their MySQL scalability and High Availability goals.
    Downloads: 5 This Week
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  • 5
    LuLu

    LuLu

    LuLu is the free open-source macOS firewall

    LuLu is a free, open-source firewall for macOS developed by Objective-See. It blocks unauthorized outgoing network connections, allowing users to monitor and control which applications can transmit data externally. Designed for privacy and security, LuLu provides real-time prompts, rule-based filtering, and an intuitive interface, making it a valuable tool for Mac users seeking visibility over their system’s network behavior.
    Downloads: 10 This Week
    Last Update:
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  • 6

    Web-based Firewall Log Analyzer

    Firewall log analyzer

    Flexible web-based firewall log analyzer, supporting netfilter and ipfilter, ipfw, ipchains, cisco routers and Windows XP system logs, and mysql or postgresql database logs using the iptables ULOG or NFLOG target of netfilter others mapped to the ulogd format with a view. Fully supports IPv6 for database logs, and netfilter and ipfilter system file logs.
    Downloads: 1 This Week
    Last Update:
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  • 7
    boundman

    boundman

    Add rule to windows firewall to block inbound and outbound traffic

    Boundman is an advanced, user-friendly, and sleek application designed to take control over your network connections. It allows you to efficiently manage and block incoming and outgoing traffic for specific .exe files contained within a chosen folder and its subfolders. With its intuitive PyQt5 graphical interface and robust PowerShell scripts, Boundman provides seamless integration with the Windows Firewall for a powerful network management experience.
    Downloads: 6 This Week
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  • 8

    IP-Array

    An iptables IPv4 firewall and traffic shaping program

    A Linux IPv4 iptables firewall and traffic shaper. It allows flexible rule creation, while also shipping with presets for common needs. Rules are written in simple XML, allowing various ways to group and nest the arguments. An interactive mode is available in order to build configuration files in a wizard based manner. Extensive documentation is also included.
    Downloads: 0 This Week
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  • 9
    OWASP ModSecurity CRS

    OWASP ModSecurity CRS

    OWASP ModSecurity Core Rule Set (CRS) Project

    The OWASP ModSecurity Core Rule Set (CRS) is a curated, generic Web Application Firewall rule set that detects and blocks common attack categories across most web apps. It focuses on broad protection—SQL injection, cross-site scripting, local/remote file inclusion, command injection, and protocol violations—without requiring app-specific knowledge. Rules are organized into paranoia levels so operators can tune detection aggressiveness and balance false positives against coverage. ...
    Downloads: 0 This Week
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  • 10

    WinFire

    Create and delete block rules for the Windows firewall

    ...Rules will be created using the management prefix 'WinFire' for single application executable or all application executables/'types defined' within a directory and subdirectories (recursive). * These block rules are shown ticked/selected in "...Windows Firewall\Allowed Programs". It's OK, the application isn't being allowed, just showing that the block rule is enabled. Remember that a WinFire prefix firewall rule is always a block rule. "...Windows Firewall\Allowed Programs" doesn't show what is a block or allow rule. Use "Windows Firewall with Advanced Security". WinFire (this tool) has no affiliation with Microsoft, Microsoft's subsidiaries or any other product using the name or part thereof 'WinFire'.
    Downloads: 0 This Week
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  • 11
    Vuurmuur
    Vuurmuur is a powerful firewall manager for Linux/iptables. Vuurmuur supports traffic shaping and live monitoring. It has an easy to learn configuration that allows both simple and complex configurations, and can be fully configured through the Ncurses GUI. Vuurmuur supports NAT, Port Forwarding and has IPv6 support.
    Downloads: 0 This Week
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  • 12
    360-FAAR  Firewall Analysis Audit Repair

    360-FAAR Firewall Analysis Audit Repair

    360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs

    360-FAAR (Firewall Analysis Audit and Repair) is an offline, command line, firewall policy manipulation tool to filter, compare to logs, merge, translate and output firewall commands for new policies, in Checkpoint dbedit, Cisco ASA or ScreenOS commands, and its one file! Read Policy and Logs for: Checkpoint FW1 (in odumper.csv / logexport format), Netscreen ScreenOS (in get config / syslog format), Cisco ASA (show run / syslog format), 360-FAAR compares firewall policies and uses CIDR and text filters to split rulebases / policies into target sections and identify connectivity for further analysis. 360-FAAR supports, policy to log association, object translation, rulebase reordering and simplification, rule moves and duplicate matching automatically. ...
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    Downloads: 0 This Week
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  • 13
    lua-resty-waf

    lua-resty-waf

    High-performance WAF built on the OpenResty stack

    lua-resty-waf is a web application firewall implemented in Lua for OpenResty/NGINX, designed to run inline at the edge with low overhead. It inspects requests and responses during NGINX phases, applying rule logic and anomaly scoring to detect patterns like SQL injection, cross-site scripting, and protocol abuse. Rules are organized into policies with configurable actions—block, log, or allow—and can leverage shared dictionaries for counters, rate limits, and caching decisions. ...
    Downloads: 0 This Week
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  • 14
    ngx_lua_waf

    ngx_lua_waf

    ngx_lua_waf

    ngx_lua_waf is a web application firewall (WAF) module written in Lua for use with OpenResty (Nginx + Lua). It provides protection against common web attacks such as SQL injection, XSS, file uploads, and malicious bots. The WAF is rule-based, easily configurable, and lightweight, offering real-time defense with minimal performance overhead.
    Downloads: 0 This Week
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  • 15
    SonicLog Cruncher
    Perl logfile analyzer for DELL Sonicwall Firewall logfiles. This Perl program (Windows /Linux / Mac), creates an HTML file containing: hits per protocol, mean, median and variance on hourly and weekday basis, RBL statistics, IPS stats, VPN stats, virus stats, surfing statistics, CFS blocked sites stats.
    Downloads: 0 This Week
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  • 16
    Java-based Open Source WAF (Web Application Firewall) to include inside a web application in order to protect it against attacks like Cross-Site Request Forgery (CSRF), Parameter Manipulation and more.
    Downloads: 0 This Week
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  • 17
    A command line tool that allows you to (live) analyze netfilter (iptables) log files. It provides a nice output and has features like displaying hostnames, duplicate detection... More info (+ screenshots) can be found in the pdf inside the tarball.
    Downloads: 0 This Week
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  • 18
    homeLANsecurity
    homeLANsecurity is a series of shell scripts for loading iptables firewall rules. It is primarily designed to operate on home or small office gateway Linux systems. It provides an easy to manage framework for standard iptables rule sets.
    Downloads: 1 This Week
    Last Update:
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  • 19
    The Cisco Connection Analyzer will analyze a real time snap shot of your PIX/ASA connection table and tell you useful information about the conn table. It will tell you top talkers, top services..etc. Very useful in troubleshooting the firewall.
    Downloads: 1 This Week
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  • 20
    OpenFirewall (only for windows XP)
    Only for windows XP OpenFirewall is based on two lines of defence first WIPFW ( Kernel-mode driver ) and second tdifw ( application-mode TDI-driver ) . Is a Windows firewall easy to use like the commercial products
    Downloads: 6 This Week
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  • 21
    Snort_inline is a modified version of Snort. It accepts packets from iptables, instead of libpcap. It uses new rule types to tell iptables if the packet should be dropped or allowed to pass based on the Snort rules.
    Downloads: 1 This Week
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  • 22
    Resheto is a firewall management tool with (not yet)optimizing rule compiler. By now it is iptables/ipset oriented but will support PF in the future(and may be others) It is suitable for big(thousands) object databases with hierarchical(nested) groups an
    Downloads: 0 This Week
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  • 23
    KMyFirewall is a KDE/Qt Programm that tries to provide an easy to use and comfortable GUI for the Linux "iptables" command. An easy to use plugin architecture allows fast and easy development of rule option extentions.
    Downloads: 0 This Week
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  • 24
    diptables is simple shell script, that through one method interactive (using dialog and iptables) create a rule of iptables for the local machine. It is very interesting for who is starting to work with iptables.
    Downloads: 0 This Week
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  • 25
    A rule based packet and application filtering firewall. Nice interface, easy configuration and high efficiency with low resources consumption. THIS PROJECT IS NO LONGER UNDER DEVELOPMENT.
    Downloads: 0 This Week
    Last Update:
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