Free network virus protection suite software for linux

Meldware Communication Suite is a platform independent groupware package consisting of:
Meldware Mail
Meldware Calendar
Meldware Webmail
Meldware Secure Administration System
Together the package provides support for thousands of users to concurrently send and receive email and schedule meetings. MCS uniquely allows you to store all messages and scheduling events in nearly any database and runs on nearly all popular software and hardware platforms.
Additionally, while the scheduling and calendaring services are able to be installed separately, the integrated featureset provides both a unique and powerful experience to both users and server-side Mail Based Applications and Collaboration Based Application Services.
The MCS platform provides security integration using LDAP sources including Microsoft Active Directory as well as flat-file and Database sources. Additionally, extensible security allows custom authentication/authorization sources.
Enhancements:
- IMAP is now stable with Mozilla Thunderbird and POP/SMTP are production ready.
- New Filestore code was implemented and many improvements were made in mailbox and storage code.

Java Network Stack provides a Java library for research oriented network programming.

Java Network Stack is a library used by the DIMES project to create new internet measurements. It provides a clean API for packet manipulation, send, receive, filter, and analysis. It is a unification of raw socket capabilities, MAC level networkingm, and IPv6 capabilities.

Network Tracker application is a user (MAC) tracker daemon, for big LANs (campus).
The Network Trackerd builds a table which records which user is connected on which port of a switch by scanning the devices with SNMP in your inventory which is in a MySQL database. Trackerd keeps that table up-to-date by scanning the network regularly.
Thus, you will have the opportunity to know exactly where a user (MAC, IP, UID) is connected on your network !
Your devices are also checked with ping and SNMP, and you are informed with e-mail when any of the devices is not alive.
More over, you may produce various reports about your network infrastructure on the web (cgi) or by using other tools.
Network tracker eases especially to find and shutdown the switch port of the users, when their PCs on the network start to spread viruses or warms using lots of bandwith; so you are able to stop that kind harmfull traffic on the network.
Main features:
- Collects all the MAC addresses and port numbers from CAM tables of the switches.
- Finds IP addresses of the MACs from ARP tables of the routers.
- Finds LDAP uid of the user.
- Check devices on the network with both ping and SNMP for better reliability.
- The daemon sends 2 self check e-mail per day.
- Developped with C.
Enhancements:
- trackerd is now multi-threaded and works very quickly because a new thread is created for each network device.
- MAC tracking code has been reimplemented for multi-threaded use.
- Wireless access point support has been added.
- gnuplot graphics are prepared, showing the active number of users like MRTG graphs.
- tracker now accepts MAC addresses in free format.

HAVP (HTTP Antivirus Proxy) is a proxy with a ClamAV anti-virus scanner. HTTP Anti Virus Proxy aims are continuous, non-blocking downloads and smooth scanning of dynamic and password protected HTTP traffic.
Havp antivirus proxy has a parent and transparent proxy mode. It can be used with squid or standalone.
Main features:
- HTTP Antivirus proxy
- Scans complete incomming traffic
- Nonblocking downloads
- Smooth scanning of dynamic and password protected traffic
- Can used with squid or other proxy
- Parent proxy support
- Transparent proxy support
- Logfile
- Process change to defined user and group
- Daemon
- Use Clamav (GPL antivirus)
- Operating System: Linux
- Written in C++
- Released under GPL
Enhancements:
- Experimental support was added for chunked Transfer-Encoding, which fixes some broken sites.
- The IGNOREVIRUS configuration directive was added for whitelisting virus names.
- The CLAMBLOCKBROKEN configuration directive was added.
- Detection with AVG was improved.
- HAVP is killed if database reloading fails for Library Scanner.
- The URL is logged when a crashed scanner process is detected.
- The build system updated, adding the --prefix, --sbindir, --sysconfdir, and --localstatedir options.

Network Traffic Analyzer analyzes the network traffic on multiple network devices and creates HTML statistics with some network usage graphs. Sometimes it is good to know, how the network is used, how many bytes were received and how many bytes were sent.Therefore, here is Network Traffic Analyzer, which creates simple network usage statistics.


Such statistics can tell you, how good your network connection really is (who cares about what Internet provider say, when was the network down, which time is the best time for downloading large packages of data etc. etc. Or with this software you can just better imagine, how many traffic can your home computer generate.

SAP R/3 Communications Suite allows SAP R/3 servers to communicate with external devices such as fax and GSM modems by sending and receiving a fax or SMS.

SAP R/3 Communications Suite provides an easy configuration through a Web interface and a JMX console.

F-Prot Antivirus security software package has various components that help keep your system secure from viruses, backdoors, trojans and other malicious programs. The project includes the RealTime Protector, a memory-resident monitoring utility that observes all files accessed on your system, a Scheduler where you can set the Scanner to make automatic scans or updates on your system at any time and an Updater to manage all signature updates.
For home users using the Linux open-source operating system, we offer F-Prot Antivirus for Linux Workstations. F-Prot Antivirus for Linux Workstations utilizes the renowned F-Prot Antivirus scanning engine for primary scan but has in addition to that a system of internal heuristics devised to search for unknown viruses
F-Prot Antivirus for Linux was especially developed to effectively eradicate viruses threatening workstations running Linux. It provides full protection against macro viruses and other forms of malicious software - including Trojans.
Main features:
- Scans for over 191534 known viruses and their variants
- Ability to perform scheduled scans when used with the cron utility
- Scans hard drives, CD-ROMS, diskettes, network drives, directories and specific files
- Scans for images of boot sector viruses, macro viruses and Trojan Horses
F-Prot Antivirus for Linux Workstations is FREE for use by personal users on personal workstations