icmpquery is a tool for sending and receiving ICMP queries for the destinations address mask and current time.
Freeware for Unix/Linux/FreeBSD/OS2/BeOS/Windows 95/98/ME/NT4. Web proxy that filters banner ads, cookies, and referer tracking. Supports wafers and User-Agent spoofing.
An advanced TCP/IP packet filter suitable for use in firewall environments. Can be loaded as a module or compiled into the kernel.
Consists of tools to create a firewall for dialup machines.
Vexira Antivirus for Linux workstations and servers. A complete virus defense system designed for easy and dependable virus prevention on Linux systems.
An open source OpenPGP compatible encryption system. Provides data integrity services for messages and data files by using digital signatures, encryption, and compression.
IPTraf is a console-based network statistics utility that gathers TCP connection paket and byte counts, interface statistics, and activity indicators. Also captures all TCP/UDP packets.
Strong user authentication and access control for Linux environments in a fully integrated system using PAM modules.
The ultimate resource for securing your linux workstation/server.
Linux Pluggable Authentication Modules (PAM) is a flexible mechanism for authenticating users using alternative authentication schemes.
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