<i>Redmond</i>'s new Security Advisor drills down the specifics of what should be considered when selecting your next firewall. Welcome to my inaugural Security Advisor column. Like many of you I've ...

The firewall as a layer 4 packet-inspection device has reached maturity. Although not every network requires high-end LAN switching gear, every Internet-connected network needs a firewall, if only to ...

In the world of the Linux operating system and open source software, the iptables firewall provides a full featured and stable packet filtering infrastructure. Commercial-grade capabilities such as ...

Every organization that connects its network to the Internet needs a firewall to protect against intrusions and attacks from "out there." And today's security vendors make firewall products to fit ...

Four basic types of firewall protection exist--network level, circuit level, application-level and stateful multilayer. Each type has advantages and disadvantages, ranging from ease of implementation ...

A web application firewall (WAF) is needed to protect web applications and APIs from cyber threats like SQL injection, cross-site scripting, and other malicious attacks. With cyberattacks on web ...

A web application firewall (WAF) is a critical component of an enterprise security infrastructure, providing a key security layer for web-facing applications and APIs. As web applications mature and ...

Sourcefire Monday said it expects to begin shipping its first two next-generation firewall appliances later this month, entering an increasingly crowded market. Traditional network firewalls examine ...

The humble firewall has come a long way since the packet-filtering days of yore. The first firewalls were developed by the Digital Equipment Corporation (DEC) back in the late 1980s. These early ...