Search Results for "filter"

The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are also available for download. NOTICE: V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future. ...

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. ...

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...

fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a default-drop packet filter (fwknop supports iptables and firewalld on Linux, ipfw on FreeBSD and Mac OS X, and PF on OpenBSD) and libpcap. SPA is essentially next-generation port knocking (more on this below). The design decisions that guide the development of fwknop can be found in the blog post "Single Packet Authorization: The fwknop Approach".

SSL Signature Check (SSLSigcheck) is an email filter designed to be run from within procmail. It will examine the signature and certificate of a signed email, and add header information that procmail recipes can use to filter the message.

Open source DKIM library, MTA filter implementation and associated tools.

360-FAAR (Firewall Analysis Audit and Repair) is an offline, command line, firewall policy manipulation tool to filter, compare to logs, merge, translate and output firewall commands for new policies, in Checkpoint dbedit, Cisco ASA or ScreenOS commands, and its one file! Read Policy and Logs for: Checkpoint FW1 (in odumper.csv / logexport format), Netscreen ScreenOS (in get config / syslog format), Cisco ASA (show run / syslog format), 360-FAAR compares firewall policies and uses CIDR and text filters to split rulebases / policies into target sections and identify connectivity for further analysis. 360-FAAR supports, policy to log association, object translation, rulebase reordering and simplification, rule moves and duplicate matching automatically. ...

This is an open source implementation of the draft DMARC specification.

RadicalSpam Virtual Appliance takes full solution of RadicalSpam Community Edition , pre-installed in a OVF virtual machine ( Open Virtual Format ) compatible with the best virtualization platforms on the market , including VMware ESX Server. More information : http://www.radical-spam.org

RadicalSpam is a free and open source package distributed under GPL v2, including products such as Postfix, SpamAssassin Amavisd-new, Clamav, Razor, DCC, Postgrey, Bind; providing a secure SMTP relay, ready to use with linux and docker environement. More information : http://www.radical-spam.org

These three tools build Checkpoint, Cisco ASA or Netscreen policys from logfiles. They write dbedit, access-list or set address, set service and set policy commands for the traffic seen in the logs, that can be cut and pasted into the firewalls. WOOT

An open, all-in-one SMTP gateway, scanning your email traffic in order to prevent spam and viruses, using several anti-spam technologies. Based on Ubuntu Server.

NetCop is UTM, UTM Firewall, ClamAV Antivirus, Web Cache, Content Filter,IPS/IDS, WAN Link Manager, Bandwidth Manager, Anonymous Proxy Blocker, Wifi Hotspot Controller, SSL VPN, Network Virtulization in single ISO CD distribution.

Complex iptables deny-by-default firewall suitable for a server, single workstation or laptop, or a home or office LAN.

Perl web-interface for the OpenBSD Packet Filter.

Ircproxy is transparent IRC content-filtering application. It may be used whenever there is a need of monitoring IRC connections.It may be used to deny specific connections or to behold suspicious IRC traffic.

sudosh is a sudo shell, filter and can be used as a login shell. Sudosh records all keystrokes and output and can play back the session as just like a VCR.

spamsink is a fake (honey pot) SMTP server written in PERL for dumping SPAMs. A fake relay is under develompent (version 0.3), parsing the message body to trigger web bugs is planned.

AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners.

A.I. security app. Development ceased.

The Filters project team are building API's which will filter malicious input to applications that is used to launch various attacks. The filters will sanitize input rendering it harmless and detect specific attacks. This project will develop imple

pgpenvelope is an interface between Pine and the GNU Privacy Guard (GnuPG). It allows one to perform expected OpenPGP-related operations on messages. Ease of installation, setup, and use are distinguishing features.

anonvelope is a mail-message processing program that is designed to allow the message to make full use of Type-I (cpunk-style) remailers. It is especially designed to work with Pine, but it is possible it may be used with other MUA's.