You are here: Download > Top 100 of the month > Windows > Networking & Servers > Security

NetBIOS, SNMP and TCP/IP scanner for network administrators. Checks the availability of host computers and displays file types being exchanged on the network. Supports Wake On LAN and remote shutdown of computers in the network.

Comment now

Shareware scanner which examines web applications and web services for vulnerabilities.

Comment now

Monitors a computer's total inbound and outbound data traffic (packet filter for TCP/IP protocols) and protects it from attacks through the network e.g. by viruses or hackers, and from unwanted outbound data packets. The tool is the collaborative product of a community of various security experts who are sharing their own security configurations for free.

Comment now

Port scanner. Looks for open TCP and UDP ports on other computers on the same network. Fast and secure download from The H

Comment now

IP scanner for local networks.

Comment now

Searches the LAN for open ports and Windows sharing.

Comment now

Port scanner for Windows platforms.

Comment now

Shows TCP/UDP ports open on the system. For Windows 2000/XP it also lists each process and its corresponding port.

Comment now

Scans the ports on a Windows PC and displays open ones. Extended Pro version in a Security Suite available for US$37.

Comment now

FreeBSD-based firewall for Internet gateways. Has a web and console interface, DHCP server, support for NAT/PAT and many other features. Fast and secure download from The H

Comment now

This tool acts as an SMTP proxy server and filters all your email traffic before it reaches the actual server. Includes adaptive Bayes recognition, an SPF scan, your own honeypot and RBL (Real-time Blackhole List) check. Can be set up as a service under Windows. Its integrated web server also enables you to configure the server and perform logfile diagnostics via a browser.

Comment now

Graphical interface for the port scanner Nmap.

Comment now

Provides a fast overview of access control lists (ACL) of files and directories on a file server. Fast and secure download from The H

Comment now

Simple port scanner for identifying active devices in a network. Shows which ports are open and provides information about HTTP, FTP, SMTP, SNMP and SMB. Fast and secure download from The H

Comment now

Tests web applications for security breaches. Uses heuristic methods for automatically detecting vulnerabilities to attacks by cross-site scripting or SQL and XML injection. Creates a report on necessary improvements. Requires Cygwin on Windows.

Comment now

Add-in to put Windows Home Server in sleep or hibernation mode and to wake when required. Monitors various sources for activity and keeps the server active if at least one is turned on. Available as free Community edition and licensed full version.

Comment now