Showing 393 open source projects for "port based firewall"

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  • 1
    OpenSnitch

    OpenSnitch

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

    OpenSnitch is a GNU/Linux port of the Little Snitch firewall. You can launch the GUI from the icon or from the system menu. The daemon will start intercepting connections, prompting you to allow or deny them. If you don't apply an action, after 15 seconds (configurable) it'll apply the default action configured. When you open the GUI, you'll see all the connections and processes that the daemon has intercepted.
    Downloads: 18 This Week
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  • 2
    NetBird

    NetBird

    Connect your devices into a secure WireGuard-based overlay network

    NetBird is an open-source solution that builds a WireGuard®-based overlay network enabling seamless, encrypted peer-to-peer connectivity without the complexity of firewall rules, port forwarding, or centralized VPN gateways. It integrates access control features such as SSO and MFA for secure, policy-driven networking. Every machine in the network runs NetBird Agent (or Client) that manages WireGuard.
    Downloads: 17 This Week
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  • 3
    frp

    frp

    A Fast Reverse Proxy

    frp stands for exactly what it is: a fast reverse proxy. It helps you expose a local server behind a NAT or firewall to the Internet. It is currently under development, but already supports TCP and UDP, as well as HTTP and HTTPS protocols where requests can be forwarded to internal services by domain name. It also has a P2P connect mode and many other nifty features. These include configuration files, environment variables, a dashboard that shows you frp's status and proxies' statistics...
    Downloads: 72 This Week
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  • 4
    SafeLine

    SafeLine

    Serve as a reverse proxy to protect your web services from attacks

    SafeLine is a self-hosted WAF(Web Application Firewall) to protect your web apps from attacks and exploits. A web application firewall helps protect web apps by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web apps from attacks such as SQL injection, XSS, code injection, os command injection, CRLF injection, LDAP injection, XPath injection, RCE, XXE, SSRF, path traversal, backdoor, brute force, HTTP-flood, bot abuse, among others. By...
    Downloads: 4 This Week
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  • 5
    CrowdSec

    CrowdSec

    Firewall able to analyze visitor behavior & provide adapted response

    CrowdSec - an open-source massively multiplayer firewall able to analyze visitor behavior & provide an adapted response to all kinds of attacks. It also leverages the crowd power to generate a global IP reputation database to protect the user network. Crowdsec shouldn't, and didn't crash any production so far we know, but some features might be missing or undergo evolutions. IP Blocklists are limited to very-safe-to-ban IPs only (~5% of the global database so far, will grow soon). ...
    Downloads: 5 This Week
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  • 6
    GoProxy

    GoProxy

    High performance proxy server implemented by golang

    ...Supports forward proxies, reverse proxy, transparent proxy, internet nat proxies, https proxy load balancing, http proxy load balancing , socks5 proxies load balancing, socket proxy load balancing, ss proxy load balancing, TCP / UDP port mapping, SSH transit, TLS encrypted transmission, protocol conversion, anti-pollution DNS proxy, API authentication, speed limit, limit connection. Reverse proxy to help you expose a local server behind a NAT or firewall to the internet so that you or your visitors can access it directly and easily. Chained proxies, the program itself can be used as a proxy, and if it is set up, it can be used as a secondary proxy or even an N-level proxy.
    Downloads: 11 This Week
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  • 7

    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
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  • 8

    Kevux Firewall

    Provide basic firewall program for Kevux using FLL.

    The Kevux Firewall program is one of the oldest Featureless Linux Library (FLL) programs. This project now exists outside of the FLL as its own distinct project and repository.
    Downloads: 0 This Week
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  • 9

    UPnP PortMapper

    Manage port forwardings via UPnP

    The UPnP PortMapper can be used to easily manage the port mappings/port forwarding of a UPnP enabled internet gateway/router in the local network.
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    Downloads: 302 This Week
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  • 10
    Netdeep Secure Firewall

    Netdeep Secure Firewall

    Next Generation Open Source Firewall

    Netdeep Secure is a Linux distribution with focus on network security. Is a Next Generation Open Source Firewall, which provides virtually all perimeter security features that your company may need. It offers Web content filters, ensuring better performance of the network, allowing users to use the service efficiently and securely, providing a deep control of the use of the Web access service, blocking access to unwanted websites, Virus, Spam, Applications and intrusion attempts. Its...
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    Downloads: 22 This Week
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  • 11
    Nipe

    Nipe

    An engine to make Tor network your default gateway

    Nipe is a Perl-based engine whose primary aim is to make the Tor network act as the default gateway for outgoing traffic. In practice, it configures system firewall rules (iptables) and network routing so that almost all IPv4 traffic is redirected through Tor. The tool provides commands such as install, start, stop, restart, and status to manage its behavior.
    Downloads: 2 This Week
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  • 12
    dfirewall
    Full set of scripts to implemente a full featured firewall.
    Downloads: 0 This Week
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  • 13
    Narrowlink

    Narrowlink

    A self-hosted solution to enable secure connectivity between devices

    Narrowlink is a zero-config tunneling and reverse proxy solution that enables secure access to services behind firewalls or NATs without exposing public IPs. Unlike traditional tools like ngrok, Narrowlink is peer-to-peer and privacy-focused, using WireGuard and WebRTC to establish direct encrypted tunnels between peers. It is designed to make exposing local services simple, fast, and secure with no need for port forwarding or cloud relays. Narrowlink is ideal for developers, self-hosters,...
    Downloads: 0 This Week
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  • 14
    Netdisco

    Netdisco

    A web-based network management tool

    Netdisco is a web-based network management tool suitable for small to very large networks. It collects IP and MAC address data into a PostgreSQL database using SNMP, CLI, or device APIs.​
    Downloads: 0 This Week
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  • 15
    Smoothwall
    Smoothwall is a best-of-breed Internet firewall/router, designed to run on commodity hardware and to provide an easy-to-use administration interface to those using it. Built using open source and Free software, it's distributed under the GNU Public License.
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    Downloads: 9,287 This Week
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  • 16
    ShellCrash

    ShellCrash

    Run sing-box/mihomo as client in shell

    ShellCrash is a shell-based client runner for proxies like sing-box and mihomo, optimized for headless devices (e.g. OpenWrt routers). It provides scripted installation, automatic configuration reload, network port detection, and UI-less control via terminal. It simplifies running proxy services on embedded Linux devices.
    Downloads: 7 This Week
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  • 17
    glider

    glider

    glider is a forward proxy with multiple protocols support

    ...Add ip/cidrs from rule files on startup. Add resolved ips for domains from rule files by dns forwarding server. Serve HTTP and socks5 on the same port. Periodical availability checking for the forwarder.
    Downloads: 0 This Week
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  • 18
    go-libp2p

    go-libp2p

    libp2p implementation in Go

    go-libp2p is the official Go implementation of the libp2p networking stack, a modular and extensible framework for peer-to-peer communication. Used in systems like IPFS and Filecoin, go-libp2p abstracts away the complexity of building decentralized networks by handling discovery, transport, security, and multiplexing layers. Its modular architecture allows developers to customize network behavior while maintaining interoperability with other libp2p implementations. It empowers developers to...
    Downloads: 0 This Week
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  • 19
    Weron

    Weron

    Overlay networks based on WebRTC.

    Weron is a peer-to-peer overlay network built using WebRTC and WebSockets, enabling remote access and tunneling between machines behind NATs without the need for centralized servers. It uses Golang on the backend and supports secure connections using WireGuard-compatible encryption. Weron allows developers to create scalable mesh or point-to-point networks for applications like remote desktop, Kubernetes access, or collaborative tools—all without requiring public IPs or complicated port...
    Downloads: 0 This Week
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  • 20
    Monitorix

    Monitorix

    Monitorix is a free, open source, lightweight system monitoring tool

    Monitorix is a free, open source, lightweight system monitoring tool designed to monitor as many services and system resources as possible. It has been created to be used under production Linux/UNIX servers, but due to its simplicity and small size can be used on embedded devices as well. It consists mainly of two programs: a collector, called monitorix, which is a Perl daemon that is started automatically like any other system service, and a CGI script called monitorix.cgi. Monitorix...
    Downloads: 0 This Week
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  • 21
    RazWall

    RazWall

    RazWall Firewall

    RazWall is a community based firewall replacement for 3ndian Community Firewall. RazWall is built on Slackware Linux. We will publish the ISO releases here as they develop. READ THE 'README' FILE BEFORE DOWNLOADING!
    Downloads: 4 This Week
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  • 22
    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: 632 This Week
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  • 23
    CacheGuard Gateway

    CacheGuard Gateway

    CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.

    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 the bare-metal or virtual machine of your choice. It’s that simple and completely free. The UTM includes a firewall, web antivirus, VPN server, and a URL-filtering and SSL-inspection web proxy. The WAF operates in...
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    Downloads: 17 This Week
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  • 24

    Privoxy

    HTTP proxy to block ads and customize webpages

    Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.
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    Downloads: 661 This Week
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  • 25

    Netdisco

    Full-featured enterprise network management tool

    Netdisco is an SNMP-based L2/L3 network management tool designed for moderate to large networks. Routers and switches are polled to log IP and MAC addresses and map them to switch ports. Automatic L2 network topology discovery, display, and inventory.
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    Downloads: 42 This Week
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