Showing 109 open source projects for "security operating system"

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  • Secure File Transfer for Windows with Cerberus by Redwood Icon
    Secure File Transfer for Windows with Cerberus by Redwood

    Protect and share files over FTP/S, SFTP, HTTPS and SCP with the #1 rated Windows file transfer server.

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  • Atera - an All-in-one platform for IT management Icon
    Atera - an All-in-one platform for IT management

    Ideal for IT departments and MSPs (managed service providers)

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  • 1
    CrowdSec

    CrowdSec

    Firewall able to analyze visitor behavior & provide adapted response

    ...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). A modern behavior detection system, written in Go. It stacks on Fail2ban's philosophy, but uses Grok patterns & YAML grammar to analyse logs, a modern decoupled approach (detect here, remedy there) for Cloud/Containers/VM based infrastructures. Once detected you can remedy threats with various bouncers (block, 403, Captchas, etc.) and blocked IPs are shared among all users to further improve their security. ...
    Downloads: 5 This Week
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  • 2
    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: 6 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...
    Downloads: 4 This Week
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  • 4
    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: 23 This Week
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  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • 5
    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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  • 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 scratch over 20 years, now fully open source. ...
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    Downloads: 13 This Week
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  • 7

    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: 502 This Week
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  • 8

    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. Also supports Maxmind's GeoIP version 2 location databases. For Linux, FreeBSD, OpenBSD, Solaris, OSX,etc.
    Downloads: 3 This Week
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  • 9
    OpenFW UTM Community
    OpenFW UTM Community is a "turn-key" , fork solutions Endian Firewall UTM Community, 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 proxy HTTP with antivirus support, content filtering of Web traffic and a "hassle free" VPN solution (based on both OpenVPN, IPsec and Wireguard)
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    Downloads: 10 This Week
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 10
    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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  • 11
    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: 6 This Week
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  • 12
    Two tools able to edit your ipfilter.dat . These tools are able to edit your ipfilter.dat in order to check for big ranges and to check adjacent ranges . From the creators of ipfilterX , Nexus23 Labs . - Updates in Progress -
    Downloads: 2 This Week
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  • 13
    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: 190 This Week
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  • 14
    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: 1 This Week
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  • 15

    knocker

    A simple, portable port scanner

    Knocker is a simple, versatile, and easy-to-use TCP security port scanner written in C, using threads. It is able to analyze hosts and the network services which are running on them. It is available for Linux, FreeBSD, Unix, and Windows95/98/2000.
    Downloads: 0 This Week
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  • 16
    nuclewall

    nuclewall

    Açık kaynaklı bir hotspot yazılımı

    Downloads: 0 This Week
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  • 17
    Verigio - Geo Firewall

    Verigio - Geo Firewall

    Blocking and monitoring of network traffic based on geography.

    Geo Firewall performs blocking of network traffic based on geography (geo IP), allows to add custom subnets, allows exceptions on ports for incoming traffic for specific geography, keeps visual and persistent logs, shows statistics, automatically updates geographical database.
    Downloads: 2 This Week
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  • 18
    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: 2 This Week
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  • 19
    respite vpn - ssh & openvpn injector

    respite vpn - ssh & openvpn injector

    Bypass your ISP's firewalls and connect to the internet!

    Source: https://github.com/AlizerUncaged/HTTP-Injector respite is a SSH/openVPN client that allows you to connect to the internet with custom injected HTTP Proxy headers. This application requires Java (https://www.java.com/en/download/) and .Net 4.5 (https://www.microsoft.com/en-ph/download/details.aspx?id=42642 .Net 4.5 is already preinstalled in Windows 10). There are many SSH and OpenVPN Server providers in the internet, one is https://www.tcpvpn.com HTTP Proxy responses...
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    Downloads: 141 This Week
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  • 20
    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. An...
    Downloads: 2 This Week
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  • 21
    WaGis-Mass-IP-Blacklist-Windows-Firewall

    WaGis-Mass-IP-Blacklist-Windows-Firewall

    This Tool blocks a Mass of IP's via the Windows Firewall - IP Blocker

    This is a easy to use Mass-IP-Blocker/Blacklister Tool. Much more efficient than a Batch-Script. You can automatically block IP Addresses from a Online-IP-List, or just paste in your own IP's you want to block.
    Downloads: 6 This Week
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  • 22
    Tiny Security Suite is a software that consists of encryption, shredding, VPN, folder hiding, Firewall, and Tor Browser. Tiny Security Suite has: - File Encryption (AES and Triple DES) - Text Encryption (AES and Triple DES) - Shredder - Secure Folder (Folder Hider) - VPN (uses OpenVPN configuration files, need openVPN installed on computer) - Tor Browser - Firewall (Firewall PaPI)
    Downloads: 1 This Week
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  • 23

    WinFire

    Create and delete block rules for the Windows firewall

    WinFire is a batch file (CMD line script) that allows fast and simple creation of blocking rules on executable applications, DLL's and any other file type. 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...
    Downloads: 0 This Week
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  • 24
    OPNsense

    OPNsense

    OPNsense is an open source, easy to use firewall and routing platform

    OPNsense is an open source, easy to use and easy to build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. Mission statement of the project: "Give users, developers and businesses a friendly, stable and transparent environment. Make OPNsense the most widely used open source security platform."
    Downloads: 44 This Week
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  • 25
    ARP AntiSpoofer
    A utility for detecting and resisting BIDIRECTIONAL ARP spoofing. It can anti-spoof for not only the local host, but also other hosts in the same subnet. It is as well a handy helper for gateways which don't work well with ARP.
    Downloads: 5 This Week
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