Networking Software for Linux

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Browse free open source Networking software and projects for Linux below. Use the toggles on the left to filter open source Networking software by OS, license, language, programming language, and project status.

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  • 1
    Scrollout F1

    Scrollout F1

    An easy-to-use anti-spam email gateway

    • Designed for Linux and Windows email system administrators, Scrollout F1 is an easy to use, already adjusted email firewall (gateway) offering free anti-spam and anti-virus protection aiming to secure existing email servers, old or new, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Sendmail, Qmail and others. • Built-in multilayer security levels make configuration effort equal to a car radio. • It combines simplicity with effective protection using powerful open source with additional set of rules & filters. • Available as 64bit: - ISO image (Internet connection required during installation) - install from scratch (Internet connection required during installation). • Minimum Requirements (for 5,000 messages/day): 1 GB of RAM 30 GB storage drive 1 Processor x86/AMD64 1 Ethernet x 1 IPv4 address UDP ports: 53 123 4500 6277 24441 TCP ports: 25 80 443 2703
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    Downloads: 89,268 This Week
    Last Update:
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  • 2
    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: 20 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 includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...)
    Downloads: 2 This Week
    Last Update:
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  • 4

    Visual Synapse

    Moved to GitHub → https://github.com/yoctobyte/visualsynapse

    Moved to GitHub → https://github.com/yoctobyte/visualsynapse --- Visual Synapse are component wrappers around the Synapse tcp/ip libraries. It wraps a few common internet protocols, like HTTP, UDP, DNS, ICMP, TCP and SMTP to multi-threaded components that can be used with Delphi, Kylix, Freepascal and C++ Builder.
    Downloads: 5 This Week
    Last Update:
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    Paessler - Monitor Your Whole Network in Minutes

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  • 5
    Devil-Linux
    Devil-Linux is a special Linux distribution, which is used for Firewalls / Routers. The goal of Devil-Linux is to have a small, customizable and secure (what is secure in the internet?) Linux.
    Downloads: 4 This Week
    Last Update:
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  • 6
    Allows stdin or files specified on the command line to be printed from a remote terminal using ANSI escape sequences. Inspired by the ansiprt.c component of U Wash's PINE.
    Downloads: 2 This Week
    Last Update:
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  • 7
    AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners.
    Downloads: 1 This Week
    Last Update:
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  • 8
    LDAP Users Admin is a Webmin module for those who use LDAP directories (like OpenLDAP) for user account information or as an e-mail address book. It'll take care of common tasks such as getting an unused UID, editting address book fields and the like.
    Downloads: 1 This Week
    Last Update:
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  • 9
    MailScanner is an email virus scanner, vulnerability protector and spam tagger. It is written in Perl for any Unix/Linux system. It supports the Postfix, Sendmail, Exim and ZMailer MTAs, and any combination of 17 different virus scanners.
    Downloads: 1 This Week
    Last Update:
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  • 10
    Check given IP/Host presence in 106 RBLs. Now, you don\'t have to check a lot www sites, just run this script in console.
    Downloads: 1 This Week
    Last Update:
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  • 11
    Smtp Relay Checker is a network open mail relay checker. It is muti-threaded so it can be used to scan vast networks quickly, it is fully configurable so it can be adjusted to suit any need, and the scan results can be displayed in HTML. It is intended f
    Downloads: 1 This Week
    Last Update:
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  • 12
    Actim is an application written in python that allows sending/receiving files and calling command lines via email. (under GPL license) For example, if your home PC does not have any access to your office workstation which is behind the company firewall.
    Downloads: 0 This Week
    Last Update:
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  • 13
    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:
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  • 14
    Encode/Decode library to/from Basic Encoding Rules (BER) of ASN.1 written in Visual Basic .Net. Useful to implement any protocol that uses BER (LDAP, SNMP, etc.).
    Downloads: 0 This Week
    Last Update:
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  • 15
    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:
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  • 16
    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:
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  • 17
    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:
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  • 18
    - development stopped! - GATMAN - The first known combination of a network/user administration and a groupware solution - Latest technologies such as JAVA,XML,JSP and strong encryption are used - Modular design, high scalability - Accessible by client an
    Downloads: 0 This Week
    Last Update:
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  • 19
    The main goal of the project is create a group of utilities to setup a High Availability Enterprise Enviroment for an Enterprise e-mail System automatically. For this is needed to setup an DNS, MySQL, Postfix with replication features.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    IDMS DBMA is an effort to develop a highly scalable (c10k complient) plugin based mail agent aimed at fighting spam & viruses. Hopefully replacing hard-to-maintain, complex, resource hungry configurations used by small to large users today.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    IMAP4 server working on top of SQL database (currently PostgreSQL but Oracle may work too). It has some unique features like elimination of duplicate messages throughout the whole system, possibility of clustering or load balancing etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    IVS Milter is a plugin based content filtering milter. It currently supports... Virus (ClamAV) & Spam (SpamAssassin) scanning, Content-type, Attachment type & Attachment filename matching
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    j-chkmail is a complete solution to mail filtering on busy SMTP gateways - it includes both behavioural filtering (rate limit, greylisting) and content filtering (statistical filtering, URL filtering, pattern matching, heuristics, ...).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Korallenriff is a program that collects input from different network sources and stores their data into one database. For example, it can receive POP3 mail or can fetch NNTP groups and store the received messages in a database.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Easy and ready-to-use set of .Net Classes to implement LDAP applications (Servers and Clients). Included in the project: - Classes for all types of LDAP Requests and Responses; - Void Server and void Client Classes, ready for custom implementations.
    Downloads: 0 This Week
    Last Update:
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