January 2012Monthly Archives

Reset WordPress admin password using database:  1. Find the database name in “wp-config.php” for the corresponding WP domain. 2. cd /var/lib/mysql 3. Take backup   mysqldump databasename > databasename.sql 4. Enter into MySQL prompt.   mysql root@hostname# mysqlWelcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is… Continue Reading Reset WordPress admin password

 Art of Port Scanning  — namp We can find custom SSH port number using  nmap: command:  nmap -P0 -T4 -sV -p- “IP address”            -PO[protocol list]:  IP Protocol Ping           -T: Set timing template (higher is faster). By default it will be in milliseconds.           -sV: Probe open ports to determine service/version… Continue Reading Find custom SSH port number

Simple difference b/w Sub domain, Parked, and Add-On domain. Sub domain * Lets say your domain is mysite.com. * You install a Message Board and put in in a directory called mysite.com/board/. * You can turn the directory board into a sub-domain by adding it as a sub-domain from your… Continue Reading Simple difference b/w Sub domain, Parked, and Add-On domain.

Introduction Distributed Denial of Service (DDoS) attacks can severely impact the availability and performance of web servers by overwhelming them with excessive requests or connections. To improve Apache web server security and reduce the risk of DDoS attacks, several protective modules and scripts can be installed and configured. These tools… Continue Reading Modules install with Apache to avoid DDOS attacks

Few steps to be taken when you feel that the server is under DDOS attack: Step 1: Check the load using the command “w”. Step 2: Check which service is utilizing maximum CPU by “nice top”. Step 3: Check which IP address is taking maximum connection using the command: netstat… Continue Reading Few steps to be taken when you feel that the server is under DDOS attack:

Introduction: Monitoring bandwidth usage per user is useful for identifying high-traffic accounts, troubleshooting resource usage, and managing hosting limits. If you have SSH access to a cPanel server, you can quickly check individual user bandwidth consumption using a simple shell script. Step 1: Create the Script File Log in to… Continue Reading Find user Bandwidth via SSH shell (CPanel/WHM)

Introduction The error “554 5.7.2 Service denied, closing transmission channel” occurs when the recipient mail server refuses to accept an email connection from the sender’s server. This is generally caused by spam protection systems, blacklisted IP addresses, incorrect mail server configuration, poor sender reputation, or failed authentication checks. Mail servers… Continue Reading Remote host said: 554 5.7.2 Service denied, closing transmission channel

Introduction Server security is critical for maintaining the integrity, confidentiality, and availability of your data and services. If you suspect unusual activity on your Linux server, it is important to investigate immediately to determine whether the system has been compromised. By checking user activity, running processes, network connections, and suspicious… Continue Reading Check if the server is hacked or not

Introduction This guide explains how to install the Zend Framework module via RPM on a Linux server using EPEL or REMI repositories. It covers basic, full, and custom installation options, along with steps to verify the installation by creating a sample Zend project and testing it in a browser. 1.… Continue Reading Install Zend module via RPM

How to remove the IP address from cPHulk bruteforce attack via cPanel database? ——— This account is currently locked out because a brute force attempt was detected. Please wait 10 minutes and try again. Attempting to login again will only increase this delay. If you frequently experience this problem, we… Continue Reading cPHulk bruteforce attack + remove IP address from database