Nearly everyone uses FTP for one reason or another. The problem is, FTP is a messy protocol that needs a lot of help to secure it. Let Thomas Shinder enlighten you. The File Transfer Protocol (FTP) is ...

Firewall administrators are challenged to balance flexibility and security when designing a comprehensive rule set. A firewall should provide protection against malfeasants, while allowing trusted ...

A vulnerability discovered in protocols used by virtual private networks (VPNs) allows attackers to expose the true IP addresses of intended victims. In a security ...

This month, we shift our focus to an important security issue. We will combine some information about IP addresses, the TCP three-way handshake, and the role of the firewall. This security issue is ...

Connect to a VPN and you'll be assigned a random IP address from one of the VPN servers – and you'll share this IP address with thousands of other users. This sharing model has its advantages, like ...

Every machine on the the Internet has a unique number assigned to it, called an IP address. Without a unique IP address on your machine, you will not be able to communicate with other devices, users, ...