Denial of Service & DDoS Attacks
DDoS KB ID 0001926 DDoS Problem If you’ve ever had a website grind to a halt or watched a critical service vanish mid-operation, chances are you’ve felt the sting of a Denial of Service (DoS) attack. In today’s hyper-connected world, Distributed Denial of Service (DDoS) attacks are not just a nuisance, they’re a strategic weapon used to cripple infrastructure, extort businesses, and disrupt entire economies. Having spent three...
Red Hat – Disable DNS Recursion (BIND)
Disable DNS Recursion KB ID 0000981 Problem I got a Tweet, to say the site was down. I checked and the VPS was off-line? So I powered it on and waited a few minutes. Linux is not one of my strongest technical areas so I did some Googling about what logs to check etc. When I looked in the var/log/messages log it was full of these, up to the point where it went down; Aug 7 03:51:52 MY-HOSTNAME named[490]: error (unexpected RCODE...