Years ago, I used to be a network administrator for an organization that had some rather odd security policies in place. One of the existing policies when I got there was that all computers had to be ...

Rocky Linux has become one of the de facto standard replacements for CentOS. Not only is it a drop-in replacement for RHEL, but the maintainer Gregory Kurtzer has made it clear Rocky Linux will always ...

A few tips on how to make sure the DHCP infrastructure issuing IP addresses isn’t a single point of failure. Redundancy is essential for dealing with both planned and unplanned outages, and that ...

I have my DHCP server (on Sonicwall) configured to give out the domain controller/DNS server ip as primary DNS, for secondary DNS I have set to give out 1.1.1.1, for tertiary 8.8.4.4 Does this comply ...

DHCP is a networking protocol used to assign an IP address to your Apple device. Here's how to force a new IP address on macOS. Dynamic Host Configuration Protocol (DHCP) allows a network device to ...

Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of this ...

In most home networks, a router’s DHCP service automatically assigns IP addresses to the devices, requiring little to no manual setup. That worked fine at first in my home, but over time, I began ...

A few months back, I put together a big fat guide on how to configure DNS and DHCP on your LAN the old-school way, with bind and dhcpd working together to seamlessly hand out addresses to hosts on ...

A new attack dubbed "TunnelVision" can route traffic outside a VPN's encryption tunnel, allowing attackers to snoop on unencrypted traffic while maintaining the appearance of a secure VPN connection.

I assumed the only real way to fix this was to upgrade something expensive. A Wi-Fi 7 router? Maybe. A 2.5GbE core switch?