Showing 84 open source projects for "firewall c"

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  • 1
    Zapret

    Zapret

    Advanced open source tool for bypassing DPI-based censorship

    Zapret is an open source, cross-platform tool designed to help users bypass and evade Deep Packet Inspection (DPI)-based traffic blocking and censorship systems. Rather than acting as a traditional proxy or VPN, it works by manipulating network packets and traffic streams locally to confuse or disrupt DPI mechanisms used by ISPs and network filters, making it possible to access restricted websites and services without relaying traffic through third-party servers. Zapret implements multiple...
    Downloads: 279 This Week
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  • 2
    SoftEther VPN

    SoftEther VPN

    Cross-platform multi-protocol VPN software

    An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages. SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful...
    Downloads: 58 This Week
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  • 3
    DSVPN

    DSVPN

    A dead simple VPN

    DSVPN is a Dead Simple VPN, designed to address the most common use case for using a VPN. Runs on TCP. Works pretty much everywhere, including on public WiFi where only TCP/443 is open or reliable. Uses only modern cryptography, with formally verified implementations. Small and constant memory footprint. Doesn't perform any heap memory allocations. Small (~25 KB), with an equally small and readable code base. No external dependencies. Works out of the box. No lousy documentation to read. No...
    Downloads: 2 This Week
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  • 4
    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: 109 This Week
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  • 5
    A Free SOCKS proxy server for Linux, macos and FreeBSD
    Downloads: 41 This Week
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  • 6
    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: 11 This Week
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  • 7
    OpenVPN 2

    OpenVPN 2

    Robust and flexible VPN network tunnelling

    OpenVPN 2 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/ https://community.openvpn.net/
    Downloads: 0 This Week
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  • 8
    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! Enterprise Edition Load Balancer is available with extra features such as global service load balancing...
    Downloads: 170 This Week
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  • 9
     UDP Warp+ Free Server tls SNI VPS

    UDP Warp+ Free Server tls SNI VPS

    Value Added Warp over SNI via SNI injection SSL/TLS Tunnel

    How It Works [Android Device] │ │ WireGuard UDP ▼ [SNI Tunnel Client] ← Wraps UDP in TLS/ssl + injects fake SNI │ │ Looks like: HTTPS → microsoft.com ✓ ▼ [ISP Firewall] ← Passes through — sees only valid HTTPS │ ▼ [VPS Server] ← Decrypts TLS, recovers WireGuard UDP │ ▼ [Cloudflare Warp] ← Receives native WireGuard traffic │ ▼ Internet The core trick is SNI injection: the...
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    Downloads: 19 This Week
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  • 10
    UDP OpenVPN Server tls SNI VPS

    UDP OpenVPN Server tls SNI VPS

    Value Added OpenVPN over SNI via SNI injection SSL/TLS Tunnel

    How It Works [Android Device] │ │ OpenVPN TCP/UDP ▼ [SNI Tunnel Client] ← Wraps traffic in SSL + injects fake SNI │ │ Looks like: HTTPS → microsoft.com ✓ ▼ [ISP Firewall] ← Passes through — sees only valid HTTPS │ ▼ [VPS Server] ← Decrypts TLS, recovers OpenVPN traffic │ ▼ [OpenVPN Server] ← Receives native OpenVPN traffic │ ▼ Internet The core trick is SNI injection: the...
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    Downloads: 10 This Week
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  • 11
    SNI Cloudflare MASQUE All Countries

    SNI Cloudflare MASQUE All Countries

    Value Added Warp over WebSocket via CDN Tunnel

    UDP Over SSL Tunnel UDP Over SSL Tunnel is a free SSL tool with SNI Host (Spoof Host) support ( SSL Injector ). Warp-over-WebSocket-CDN Bypass ISP throttling and DPI by tunneling Cloudflare Warp traffic over WebSocket with Host Header spoofing through major CDN networks (CloudFront / Cloudflare / Akamai). Platform Protocol Tunnel License What It Does Many ISPs throttle or block VPN traffic using Deep Packet Inspection (DPI). Warp-over-WebSocket-CDN wraps WireGuard UDP inside a...
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    Downloads: 53 This Week
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  • 12
    UDP OpenVPN/WebSocket + CDN

    UDP OpenVPN/WebSocket + CDN

    Value Added OpenVPN over WebSocket via CDN Tunnel

    UDP Over SSL Tunnel UDP Over SSL Tunnel is a free SSL tool with SNI Host (Spoof Host) support ( SSL Injector ). # OpenVPN-over-WebSocket-CDN **Bypass ISP throttling and DPI by tunneling OpenVPN UDP traffic over WebSocket with Host Header spoofing through major CDN networks (CloudFront / Cloudflare / Akamai).** --- ## What It Does Many ISPs throttle or block VPN traffic using Deep Packet Inspection (DPI). OpenVPN-over-WebSocket-CDN wraps OpenVPN UDP inside a WebSocket...
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    Downloads: 19 This Week
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  • 13
    UDP Warp+/WebSocket + CDN

    UDP Warp+/WebSocket + CDN

    Value Added Warp over WebSocket via CDN Tunnel

    UDP Over SSL Tunnel UDP Over SSL Tunnel is a free SSL tool with SNI Host (Spoof Host) support ( SSL Injector ). Warp-over-WebSocket-CDN Bypass ISP throttling and DPI by tunneling Cloudflare Warp traffic over WebSocket with Host Header spoofing through major CDN networks (CloudFront / Cloudflare / Akamai). Platform Protocol Tunnel License What It Does Many ISPs throttle or block VPN traffic using Deep Packet Inspection (DPI). Warp-over-WebSocket-CDN wraps WireGuard UDP inside a...
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    Downloads: 6 This Week
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  • 14
    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...
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    Downloads: 257 This Week
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  • 15
    Verigio - DNS Proxywall / DNS Firewall

    Verigio - DNS Proxywall / DNS Firewall

    One of the most advanced DNS Proxy and DNS Firewall in one product.

    It is a versatile DNS Proxy server with DNS firewall which filters DNS traffic between local computer and DNS servers with flexible rules, supports blocking by IP geography, caching, import/export rules into XML. With a click of a button acts as a DNS proxy (or DNS server), supports multiple client authentication methods, calculates statistics for DNS servers and proxy clients, supports load balancing between multiple upstream DNS servers.
    Downloads: 6 This Week
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  • 16
    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: 2 This Week
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  • 17
    Advanced Onion Router
    Advanced Onion Router is a portable client for the OR network and is intended to be an improved alternative for Tor+Vidalia+Privoxy bundle for Windows users. Some of the improvements include UNICODE paths, support for HTTP and HTTPS proxy protocols on the same Socks4/Socks5 port with HTTP header filtering that generates fake identity-dependent headers every time the identity is changed (proxy chains are also supported), support for NTLM proxies, a User Interface that makes Tor's options and...
    Downloads: 266 This Week
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  • 18
    Untangle
    Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com
    Downloads: 16 This Week
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  • 19
    VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. It supports IP, Ethernet, PPP and other tunnel types. VTun is easily and highly configurable. VPN, Mobile IP, Shaping, etc
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    Downloads: 6,418 This Week
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  • 20
    IPCop Firewall

    IPCop Firewall

    Linux firewall distribution geared towards home and SOHO users.

    The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
    Downloads: 78 This Week
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  • 21
    Debian packages for PeerGuardian Linux (including the GUI) and its precessor moblock/blockcontrol/mobloquer. PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origins lie in targeting aggressive IPs while you use P2P. See http://sourceforge.net/projects/peerguardian/
    Downloads: 1 This Week
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  • 22
    Those who have read past the "Malware" warning can be assured there is absolutely no malware in this OS or in the download. This warning comes from the "netcat" binary included in the download as a DOS time client. Unfortunately netcat has code that is flagged as malware. FREESCO, a NAT/firewall router/server based on Linux and runs on a single 1.44MB floppy. Freesco is very powerful and versatile and can connect multiple home or small office networks to most types of Internet connections...
    Downloads: 15 This Week
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  • 23
    DNS multiplexer. It redirect, send hostname labels, access or denied DNS packet by hostname.
    Downloads: 0 This Week
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  • 24
    Campagnol is a decentralized VPN over UDP tunneling. It uses UDP hole punching to open connections through NAT/firewall and OpenSSL's DTLSv1 implementation for mutual authentication and encryption.
    Downloads: 2 This Week
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  • 25
    IPFIRE-wall is a framework that implements a network firewall. It can be used in desktop systems and in simple network configurations, providing a friendly graphical interface and a simple installation procedure. Also unprivileged users can personalize.
    Downloads: 0 This Week
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