Showing 39 open source projects for "linux firewall"

View related business solutions
  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • Stop vibe-debugging. Icon
    Stop vibe-debugging.

    Plug Claude into your app's actual errors.

    AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
    Free 30 days.
  • 1
    Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (softphones & hardphones) to work behind an IP masquerading firewall or router.
    Leader badge
    Downloads: 37 This Week
    Last Update:
    See Project
  • 2
    A Free SOCKS proxy server for Linux, macos and FreeBSD
    Downloads: 8 This Week
    Last Update:
    See Project
  • 3
    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
    Last Update:
    See Project
  • 4

    PeerGuardian

    PeerGuardian - a privacy oriented firewall application

    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 origin seeds in targeting aggressive IPs while you use P2P. PeerGuardian Linux: Not developed actively anymore. Team might still be around. Some unreleased changes on git. Outdated technology. Peerguardian OS X: Not developed anymore.
    Downloads: 56 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    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: 9 This Week
    Last Update:
    See Project
  • 6
    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
    Leader badge
    Downloads: 12,561 This Week
    Last Update:
    See Project
  • 7
    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: 0 This Week
    Last Update:
    See Project
  • 8
    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: 0 This Week
    Last Update:
    See Project
  • 9
    iplist is a list based packet handler which uses the netfilter netlink-queue library (kernel 2.6.14 or later). It filters by IP-address and is optimized for thousands of IP-address ranges.
    Leader badge
    Downloads: 5 This Week
    Last Update:
    See Project
  • 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.

    Cerberus supports unlimited users and connections on a single IP, with built-in encryption, 2FA, and a browser-based web client — all deployable in under 15 minutes with a 25-day free trial.
    Try for Free
  • 10
    The program implements the CIDR merging with whitelisting (network exclusion). Output will be summarized to be as small as possible. The program has been widely used for blacklist merge and optimization.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    FOSSWALL project is now merged under the Open Source Security Network (OSSN) project. Open Source Security Network is a community who are dedicated to working in different aspects of IT Security, Network Security, Application Security, Email Security etc
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Amber - a "grey list" for Qmail. Amber sits in the tcpserver chain, not accepting or rejecting mail but deferring connections from new IP addresses for some time (default five minutes) before it starts accepting mail from them.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    kclamav is a lite and streaming version of the ClamAV virus scanner. It is built as a Linux 2.6 kernel module and hooks via the Netfilter API. The ClamAV virus database is loaded into kernel memory.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    The library implements generic content inspection protocol API compatible with Sendmail Milter, thus allowing various applications and proxies to use Milter-compatible filters without running sendmail itself. It is here to replace Checkpoint\'s OPSEC/CV
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Iroffer with mIRC-style DCC Server Protocol that might allow sends through firewalls without reconfigurations (and some more extra features)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Firewall with qos (htb and diffserv)on a flash card with asterisk
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Enable Linux firewall to support connection tracking and NAT of H.323 protocol. It supports RAS, Fast Start, H.245 Tunnelling, Call Forwarding, Signal Proxy/Softswitch, RTP/RTCP and T.120 based audio, video, fax, chat, whiteboard, file transfer, etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    This project is an AIM application firewall/inspect/monitor program. It can monitor and log all AIM chat sessions to a common location (directory). There is a php script provided to view and present the logged chat sessions via web.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    CallFilter applies rules to incomming Phone Calls. Much like a network firewall.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Alex's Firewall ByPasser is another TCP tunnel for HTTP proxies. It allow network connections over HTTP proxies. This should work under all POSIX complaint systems and all proxies allowing https CONNECT.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    A replacement firmware distribution for the 3com 3CRADSL72 a.k.a 3com wireless 11g (distributed by Ya.com) and its identical twin, the SMC7804WBRA, with an ucLinux kernel based system and associated system tools.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Protect your Server/Network against spammers. fw_spam queries a DNS-based Spam Database to detect spam listed ip-addresses. It is a userspace daemon, wich gets the packets from the iptables QUEUE target. You can configure the dns server, the firewall
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Sifter is a file and directory transfer program. It stuffs important files that have recently changed onto a floppy so that you can take them home from work. It can also use the Internet instead of a floppy, if you don't have to go past a firewall
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Official unofficial Zorp home - several enhancements to Zorp
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next
Auth0 Logo