Some of the most commonly-used firewalls are subject to a hacker exploit that lets an attacker trick a firewall and get into an internal network as a trusted IP connection. More on security: 20 hot IT ...

Cloudflare processes 60 million HTTP requests per second, of which about 70% are TCP connections and about 30% are UDP/QUIC connections. Of these, only about 80% of data exchanges are actually ...

This week I'll explain how Ethereal can help you recognize network scans and identify protocol misconfigurations -- particularly vexing when setting up virtual private networks (VPNs). I'll also show ...

When I use the netstat command to look at the open TCP/IP connections on my PC, there are connections that should be closed that are in the TIME_WAIT state. What is this, and why do connections stay ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This month, we shift our focus to an important security issue. We will combine some information ...