Unix Shell Firewall Software

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Browse free open source Unix Shell Firewall Software and projects below. Use the toggles on the left to filter open source Unix Shell Firewall Software by OS, license, language, programming language, and project status.

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  • 1
    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: 1,343 This Week
    Last Update:
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  • 2
    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.
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    Downloads: 62 This Week
    Last Update:
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  • 3
    BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.
    Downloads: 64 This Week
    Last Update:
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  • 4
    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. One ISO includes: firewall, VPN, web antivirus, URL filtering, SSL inspection, WAF, reverse proxy, load balancer and QoS. Free for any number of users. Optional paid support available. Source code: https://github.com/cacheguard/CacheGuard-OS Website: https://www.cacheguard.com/
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    Downloads: 24 This Week
    Last Update:
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  • 5
    BrazilFW Firewall and Router

    BrazilFW Firewall and Router

    A powerful network security tool, easy, safe and totally free.

    BrazilFW is a mini Linux distribution designed to be used as a Firewall and Router that runs easily on older computers. An old PC running BrazilFW is much more powerful and efficient than commercial software for routing in offices and residences running on a "powerful" computer. BrazilFW is based on Coyote Linux, which was designed by Joshua Jackson who discontinued Coyote Linux in version 2.24 in August 2005. In that same month comes on the scene BrazilFW Firewall and Router (BFW) with version 2.24, which is led by "Claudio" and "Marcelo - Brazil", running only on floppy disks, and being 2.30.1 the last version with this support . The following versions, as well having automatic detection of network cards, only run on large capacity media, such as hard disk (HD). Versions in Development: * 2.33.x: Uses kernel 2.4.x and is developed by Marcinho Samurai. * 3.x: Uses kernel 4.x and is developed by WoshMan
    Downloads: 10 This Week
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  • 6
    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 including dialup.
    Downloads: 6 This Week
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  • 7
    FWiptables. Firewall With iptables.

    FWiptables. Firewall With iptables.

    iptables script in only one file

    The fwiptables is a one-file WIZARD, for IPTABLES with COMMAND-LINE, with CLI-MENU, with GUI-MENU, with GUI-ROLL, with GUI-SHELL. fwiptables develop with Purpose Educational Since 2020, developing code Since 2024, cleaning code Since 2025, fixing code Browse Wiki: https://sourceforge.net/p/f-iptables/wiki/browse_pages/ Anonymouse Ticket: https://sourceforge.net/p/f-iptables/tickets/
    Downloads: 12 This Week
    Last Update:
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  • 8
    Bypass is an IP forwarding/tunneling tool which can be used where limited bypassing of a firewall is necessary, but relaxing the restrictions in the actual firewall is not an option. The aim is for bypass to be automatic and transparent.
    Downloads: 11 This Week
    Last Update:
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  • 9
    The WRT54GL Tarifa enhanced firmware. Linksys WRT54G/WRT54GS models V1 to V4 and the WRT54GL V1.x This Third Party Firmware is functionaly the same as the original, the improvements are to make this router more scaleable, by increasing the capacity.
    Downloads: 3 This Week
    Last Update:
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  • 10
    OpenVoucher

    OpenVoucher

    Open source voucher management / hotspot system

    OpenVoucher is an open source voucher management / hotspot system for authenticating guests in your wifi or cable network. It is designed to be easy to use for anyone who wants to issue vouchers. For further information and installation how to's, see the project's homepage. The source code is maintained on Github.
    Downloads: 4 This Week
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  • 11
    A light script to make a black-list system troug iptables. You can create the black-list and manage it troug this program. Please read README file to know better this script.
    Downloads: 4 This Week
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  • 12

    EasyWall

    Easy to use firewall for linux beginners.

    New improved iptables tool, based on my earlier project Easy Linux Firewall, but rewritten from scratch using Perl. It's a simple rewrite for now, but i am working on adding some new features like. Some of the improvements will be web administration panel, automatic filtering daemon, TCP listener providing easy to use API so you can integrate it on many servers and centralize them in to one Web interface to control all of them. I am open to new ideas and also any kind of contributors, because I'm working on this alone and it isn't easy, so you are welcome to help.
    Downloads: 3 This Week
    Last Update:
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  • 13
    EasyBSD is a modular automation script designed to assist in the extensive post installation process that is required in FreeBSD. The following are modules that are included with EasyBSD, Checks, Update, Security, Networking, Firewall, and more...
    Downloads: 2 This Week
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  • 14
    bastion-firewall is a Netfilter based firewall for Linux. It can generate graphical stats of all the rules traffic in the firewall with Rrdtool and it's integrated with the Snort Inline IPS. It's written in the bash and C programming languages.
    Downloads: 2 This Week
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  • 15
    Snort2Pf is a small Perl daemon which greps Snort's alertfile and blocks the "naughty" hosts for a given amount of time using pfctl.
    Downloads: 1 This Week
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  • 16
    arlinux is a mini-linux (floppy) distro for Recovery o Router/Firewall purpose. Realname is Advanced (Router/Recovery) Linux
    Downloads: 1 This Week
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  • 17
    9Muri is an higly configurable firewall script developed on Red Hat Fedora Core 4 and 6. It's developed in Perl and Shell script.
    Downloads: 0 This Week
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  • 18
    The ADSL optimizer is an accurate packet scheduling solution for ADSL connections, based on Linux and HTB. The solution guarantees low latency while maintaining full utilization of both upstream and downstream, without wasting link capacity.
    Downloads: 0 This Week
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  • 19
    ADSL4Linux is a program to connect your Linux box via ADSL to the internet in as few steps as possible. This is all done in the easiest possible way. Also contains two Firewalls (ipchains and iptables).
    Downloads: 0 This Week
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  • 20
    AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners.
    Downloads: 0 This Week
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  • 21
    Alfandega is a strong and Modular IpTables Firewall. It provides NAT, port-forwarding, spoofing list, blacklist of crackers and spywares sites, protection for tcp/udp scans, DOS/DDOS and Smurf attacks, TCP tuning, DHCP and PPP support and much more.
    Downloads: 0 This Week
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  • 22
    Program deploy a firewall, that is custom built, and is dynamic to the needs of the host. -- -- moved to www.siology.net
    Downloads: 0 This Week
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  • 23
    BBStatus is an IP accounting and an SNMP and IP monitoring tool for Linux. It collects, summarizes, and displays the values from its database.
    Downloads: 0 This Week
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  • 24

    BPAdmin

    Ferramenta Web para Administração de Firewall

    Ferramenta web para administração de regras de firewall para pequenas redes que inclui scripts de inicialização de redes, configurações de integração com Squid e um Balanceador de Cargas Simples. Baseado no projeto squidadmin.
    Downloads: 0 This Week
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  • 25
    BadTuxWall will help you to implement your own firewall on a Linux operating system using an efficient graphical user interface. It also allows you to generate iptables scripts, export them and share them with friends.
    Downloads: 0 This Week
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