Showing 320 open source projects for "linux firewall"

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  • 1

    OpenWrt Firewall CLI management tool

    OpenWrt Firewall CLI management tool

    OpenWrt Firewall CLI management tool for add/edit/delete zone, chains, traffic rules and etc.
    Downloads: 0 This Week
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  • 2
    SSHGuard

    SSHGuard

    Intelligently block brute-force attacks by aggregating system logs

    SSHGuard protects hosts from brute-force attacks against SSH and other services. It aggregates system logs and blocks repeat offenders using several firewall backends, including iptables, ipfw, and pf.
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    Downloads: 52 This Week
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  • 3
    CacheGuard Gateway

    CacheGuard Gateway

    Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.

    Securing your network should not require an enterprise budget. CacheGuard is a free open-source network security appliance for startups and growing businesses that need serious protection without the complexity. Install CacheGuard-OS on any x86 machine or VM and get a complete security gateway in under an hour. No plug-ins, no compatibility issues. Everything works out of the box. CacheGuard-OS is not an app, it IS the OS. A fully custom network appliance operating system built from...
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    Downloads: 13 This Week
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  • 4
    SKUDONET

    SKUDONET

    SKUDONET Open Source Load Balancer and Web Application Firewall

    SKUDONET Community Edition is an Open Source Load Balancer and Web Application Firewall (WAF) designed for Linux server environments. Formerly known as Zevenet, it is based on Debian 12.8, providing a stable and secure foundation for reliable application delivery and cybersecurity. This edition is suitable for Linux and Windows server deployments (not for mobile platforms), offering advanced Layer 4 and Layer 7 traffic management with support for up to 250,000 TCP requests per second (L4) and 70,000 HTTPS requests per second (L7). ...
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    Downloads: 8 This Week
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  • 5
    UUSEC WAF

    UUSEC WAF

    AI and semantic technology Web Application Firewall

    UUSEC WAF Web Application Firewall is an industrial grade free, high-performance, and highly scalable web application and API security protection product that supports AI and semantic engines. It is a comprehensive website protection product launched by UUSEC Technology, which first realizes the three-layer defense function of traffic layer, system layer, and runtime layer.
    Downloads: 7 This Week
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  • 6
    Securepoint Squid eCAP Antivirus adapter

    Securepoint Squid eCAP Antivirus adapter

    Antivirus eCAP adapter for Squid 3.1 and above.

    Securepoint Antivirus eCAP adapter for Squid 3.1 and above.
    Downloads: 0 This Week
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  • 7
    Armitage for Windows
    Armitage is a GUI frontend for Metasploit. Well known to Kali Linux fans, this is a port of it for Windows.. Tip: Enter these in the Armitage console: db_status if not connected enter: db_connect msf 127.0.0.1 4-19-26: Made a small tweak to the msfrpcd batch file that should help performance. 4-23-26: Upload speeds tend to be faster on the Linux version. 4-25-26: Better upload speeds with the Windows firewall disabled.
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    Downloads: 12 This Week
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  • 8

    Incident Response Automation

    Incident Response Automation Tool

    This tool simulates automated defensive actions, such as blocking an IP address on a firewall, in response to detected threats. Quick Start To use this tool, run the responder: # Block an IP address python lab_runner.py incident-response --ip 10.10.10.xxx --reason "Malicious Activity Detected"
    Downloads: 0 This Week
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  • 9
    OpenVPN

    OpenVPN

    Robust and flexible VPN network tunnelling

    OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port. Discussion forums and project wiki can be found here: https://forums.openvpn.net/ http://community.openvpn.net/openvpn
    Downloads: 0 This Week
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  • 10
    RELIANOID

    RELIANOID

    Network Load Balancer and Application Security

    RELIANOID is an open core (Debian GNU/Linux based) Application Delivery Controller (ADC) with advanced load balancing features such as Network Load Balancer, Application Load Balancer with SSL offloading, Advance Network Configuration including Virtual Interfaces, VLANs, Bonding with link aggregation, IPv4/IPv6, advanced routing, stateless cluster, web GUI, JSON API and much more!
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    Downloads: 58 This Week
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  • 11
    Thunderbird Anti Virus v4.1

    Thunderbird Anti Virus v4.1

    Thunderbird Anti Virus Free Scanner v4.1

    Thunderbird Anti-Virus v4.1: Next-Generation Digital Security Elevate your digital protection with Thunderbird Anti-Virus v4.1, the comprehensive security solution designed to neutralize modern cyber threats. Version 4.1 introduces an enhanced, high-performance scanning engine that proactively detects and blocks ransomware, spyware, and viruses while maintaining peak system efficiency. Key Features: Real-Time Protection: Continuous, low-impact monitoring of system activity and...
    Downloads: 9 This Week
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  • 12
    BunkerWeb

    BunkerWeb

    Next-generation and open-source Web Application Firewall (WAF).

    Being a full-featured web server (based on NGINX under the hood), it will protect your web services to make them "secure by default". BunkerWeb integrates seamlessly into your existing environments (Linux, Docker, Swarm, Kubernetes, …) and is fully configurable (don't panic, there is an awesome web UI if you don't like the CLI) to meet your own use-cases . In other words, cybersecurity is no more a hassle.
    Downloads: 9 This Week
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  • 13
    MailCleaner

    MailCleaner

    Anti Spam SMTP Gateway

    MailCleaner Open Source Edition is now discontinued but will continue under the spamtagger project https://github.com/SpamTagger [antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It...
    Downloads: 1 This Week
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  • 14
    Thunderbird Anti Virus v4.0

    Thunderbird Anti Virus v4.0

    Thunderbird Anti Virus Free Scanner v4.0

    Thunderbird Anti Virus v4.0 is a lightweight, next-generation security and system optimization suite designed for modern Windows environments. Built with an intuitive, streamlined dark-themed interface, version 4.0 delivers robust, real-time protection without compromising system speed. Key Features: Multi-Tiered Scanner: Real-time threat detection featuring specialized Memory, Quick, Full System, and Target Path scanning modes to isolate malicious entities instantly. System Cleaner:...
    Downloads: 1 This Week
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  • 15
    LibNetBlock - A Network Blocking Library

    LibNetBlock - A Network Blocking Library

    A library for blocking access to network on-the-fly

    LibNetBlock is a library that on-the-fly (by preloading) prevents a program under its control to use the network, to help to keep the user's privacy, prevent data leakage and virus spreading. You can think of LibNetBlock as a simple layer-7 (L7) firewall that simply blocks the network access for the program it controls. There is NO NEED to rebuild your software, because LibNetBlock is a pre-loadable library, meaning you just need to RUN the software with LibNetBlock loaded. LibNetBlock is...
    Downloads: 0 This Week
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  • 16
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger & a file transfer. Also included is an URL-RSS-DB & a p2p web search. Current vers. w/ McEliece Algorithm. GoldBug has been 2013 - 2023 ten years just another Graphical User Interface of the Spot-On Encryption Suite. Main GUI features: Minimal & colorful Interface with Tabs in the East. Microsoft & Qt MinGW deprecated Win32 & for Compiling: ●...
    Downloads: 6 This Week
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  • 17
    fwknop

    fwknop

    Single Packet Authorization, Port Knocking

    fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a default-drop packet filter (fwknop supports iptables and firewalld on Linux, ipfw on FreeBSD and Mac OS X, and PF on OpenBSD) and libpcap. SPA is essentially next-generation port knocking (more on this below).
    Downloads: 1 This Week
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  • 18
    Endian Firewall Community
    Endian Firewall Community (EFW) is a "turn-key" linux security distribution that makes your system a full featured security appliance with Unified Threat Management (UTM) functionalities. The software has been designed for the best usability: very easy to install, use and manage and still greatly flexible. The feature suite includes stateful packet inspection firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spam-filtering for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on both OpenVPN and IPsec).
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    Downloads: 221 This Week
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  • 19
    Slipstream

    Slipstream

    NAT Slipstreaming allows an attacker to remotely access any TCP/UDP

    Slipstream (also referred to as “NAT Slipstreaming”) is a proof-of-concept exploit framework that allows an attacker to remotely access any TCP or UDP service running on a victim machine inside a NAT (behind a router/firewall) simply by tricking the target to visit a malicious website. It works by abusing the NAT’s Application Level Gateway (ALG) logic and connection tracking, combined with browser capabilities like WebRTC, precise packet fragmentation or boundary control, and packet...
    Downloads: 2 This Week
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  • 20
    pwnat

    pwnat

    The only tool/technique to punch holes through firewalls

    pwnat is a NAT traversal research tool created to demonstrate communication between clients and servers located behind separate NAT devices. It explores a technique for establishing connectivity without traditional port forwarding, DMZ configuration, or an external relay server. The project is written in C and focuses on low-level networking behavior. It is relevant for people studying NAT behavior, firewall traversal, peer-to-peer connectivity, and internet routing limitations. Because...
    Downloads: 2 This Week
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  • 21
    Spock slaf

    Spock slaf

    Spock SLAF is a Shared Library Application Firewall "SLAF".

    Spock SLAF is a Shared Library Application Firewall "SLAF". It has the purpose to protect any service that uses the OpenSSL library. The SLAF inserts hooking to intercept all communication to detect security anomalies and block and log attacks.
    Downloads: 0 This Week
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  • 22
    HiddenWall

    HiddenWall

    hidden firewall, custom firewall in kernel

    HiddenWall is a Linux kernel module generator for custom rules with netfilter. (block ports, Hidden mode, rootkit functions etc). The motivation: on bad situation, attacker can put your iptables/ufw to fall... but if you have HiddenWall, the attacker will not find the hidden kernel module that block external access, because have a hook to netfilter on kernel land(think like a second layer for firewall).
    Downloads: 0 This Week
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  • 23
    OctopusWAF

    OctopusWAF

    Web application firewall in C language uses libevent

    OctopusWAF is a open source Web application firewall, is made in C language uses libevent to make multiple connections. Event-driven architecture is optimized for a large number of parallel connections (keep-alive) which is important for high performance AJAX applications. This tool is very light, you can deploy in any please, this resource turn perfect to protect specific endpoint that need a custom protection.
    Downloads: 0 This Week
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  • 24
    uMatrix

    uMatrix

    Point and click matrix to filter net requests according to source

    Definitely for advanced users. uMatrix does not guarantee that sites will work fine: it is for advanced users who can figure how to un-break sites, because essentially uMatrix is a firewall which works in relaxed block-all/allow-exceptionally mode out of the box: it is not unexpected that sites will break. uMatrix can be set to work in allow-all/block-exceptionally mode with a single click on all cells in the global scope if you prefer to work this way. This will of course break fewer sites,...
    Downloads: 0 This Week
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  • 25
    Xtables-addons
    Xtables-addons is a package that obsoletes the old patch-o-matic repository for the Linux kernel and iptables. Instead of patching the kernel source, extensions are built as modules and thus allow extending kernels without recompilation.
    Downloads: 0 This Week
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