cPanel/WHM – Unable to start PureFtpd !

When trying to run/restart the Pureftp service, do you get the following error ? pure-ftpd (/usr/sbin/pure-ftpd -O clf:/var/log/xferlog –daemonize -A -c50 -B – C8 -D -E -fftp -H -I15 -lextauth:/var/run/ftpd.sock -L2000:8 -m4 -p30000:35000 -s -S21 -U133:022 -u100...

DDoS protection guide – Part 2

We have discussed about DDoS hitting Webservers in this post. It can also attack the DNS servers, which is often called as DNS Amplification Attacks. In Simple words, the attack can be explained as follows : Someone makes an inquiry to you, on how to reach a...

DDoS protection guide – Part 1

What is a DDoS attack ? DDoS, short for Distributed Denial of Service, is a type of DOS attack where multiple compromised systems — which are usually infected with a Trojan (70% of the time)– are used to target a single system causing a Denial of Service (DoS) attack....

Open DNS resolvers and patching them !

Before getting to know what is an open resolver, you need to know what is recursion, ie recursive queries ! Suppose you have a DNS server configured and a local machine which uses your DNS server queries for a website. Imagine this query is a new one and its not in...