Category:

General Topics

Kibana: Complete Guide to Installation, Configuration, and Data Visualization

by Bella June 22, 2016

written by Bella

Kibana is an open-source analytics and visualization platform designed to work with Elasticsearch. It enables users to search, analyze, monitor, and visualize log and time-series data through interactive dashboards, charts, and graphs. Kibana acts as the visualization layer of the ELK Stack (Elasticsearch, Logstash, Kibana), allowing teams to transform raw machine data into meaningful insights. What is Kibana? Kibana is a web-based interface used for: It communicates directly with data stored in Elasticsearch indices and presents information visually using charts, maps, graphs, and dashboards. Kibana can be deployed: Prerequisites Before …

0 comments

General Topics

DISTRIBUTED DENIAL-OF-SERVICE (DDOS) ATTACKS

by Bella June 15, 2016

written by Bella

DDoS has emerged as a choice of weapon for hackers. DDoS attackers not only use it to target individual websites and servers of the network, but also subdue the network itself. The growing dependency and usage of the Internet, makes the impact of successful DDoS attacks more challenging for service providers and other enterprises, costing them thousands of money lost in revenue and productivity. DDoS attackers employ much sophisticated spoofing techniques and protocols day by day and it has become essential to develop a solution that has been designed to …

0 comments

General Topics Linux Basics Server Tweaking Technical Articles

Zend OpCache

by Bella May 19, 2016

written by Bella

The Zend OpCache provides faster PHP execution through opcode caching and optimization. It improves PHP performance by storing precompiled script bytecode in the shared memory. Installing Zend OPCache on PHP 5.3 or 5.4 1. Login to SSH on your server 2. Type the following commands: #cd /usr/local/src #wget http://pecl.php.net/get/ZendOpcache # to get the latest (master) build do the following instead:

0 comments

General Topics Linux Basics

External Authentication Techniques Available With cPanel

by Bella April 2, 2016

written by Bella

The Manage External Authentications interface in WHM allows you to manage the OpenID Connect-compliant identity providers that your server’s users can use to log in to cPanel, WHM, or Webmail. Today let see the common external authentication techniques available with cPanel and how to enable/disable these features : 1] External Authentication Via cPanelID -> Steps for enabling and disabling WHM authentication via cPanelID as follows. Configuring The External Authentication Via cPanelID -> Log into WHM as root -> Navigate to Security Center >> Manage External Authentications

0 comments

General Topics Linux Basics Server Security

Configuring cPHulk via WHM & command line

by Bella March 25, 2016

written by Bella

Now-a-days Brute force attacks to servers/websites are frequent. Brute force attack is generally a password guessing technique. It is a type of attack in which trying every possible combination of characters or data in order to find the decrypted message. A brute force guarantees finding the key – it’s trying every possible combination and does not rely on any potentially incomplete dictionaries or lists of possible keys. cPHulk Brute force Protection is an inbuilt protection used in WHM for preventing brute force attack. cPHulk Brute force Protection will detect and …

0 comments

General Topics Linux Basics Server Security

Installation and configuration of ‘Pyxsoft Antimalware’ in cPanel servers

by Bella March 19, 2016

written by Bella

Pyxsoft antimalware Plugin for cPanel/WHM protects your server from attacker scripts such as c99shell, r57shell, ANIShell, and hundreds more. It is a real-time Anti Malware for cPanel/WHM. Attackers can take control of your servers or can damage your customer’s data by uploading one of these scripts. Pyxsoft antimalware plugin works to protects your server in two ways: Protecting from the six server’s entrance SQL Injection Legitimate Access (SSH, cPanel etc) Web Forms FTP Brute Force Attacks Installed Trojans or shells (more…)

0 comments

General Topics Server Security Technical Articles

Multiple SSL installation on single IP in cPanel

by Bella January 15, 2016

written by Bella

As we are aware, usually installing SSL Certificate requires Dedicated IP . The cost of this address is typically being passed down to the end user. Also the IPv4 address will be filled completely if every domain require a dedicated IP. So administrators decided to use multiple SSL installation on a single IP. Thus SNI (Server Name Identification) is established. >> What is SNI : —————— Server Name Indication (SNI) is an extension to the TLS protocol that indicates what hostname the client is attempting to connect. SNI is an …

0 comments

General Topics Linux Basics

Adding additional SMTP listenerports

by Bella December 27, 2015

written by Bella

By default Postfix run on port 25 and 587(TLS). However some ISPs block port 25. In that case you can configure the postfix mail server to listen on additional ports too, for example port 26 or some random 5125. This configuration is done in the master.cf configuration file. Edit it in your editor of choice. This file is in the following format: # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ==========================================================================

0 comments

General Topics

How to Monitor Website URLs Using Nagios check_http Command ?

by Bella November 20, 2015

written by Bella

Monitoring a web server alone does not always guarantee that a website is functioning correctly. A service like Apache may appear online while the website itself displays errors, malicious content, or broken pages. Nagios URL monitoring solves this issue by checking the actual webpage content instead of simply verifying whether the web service is running. Nagios URL Monitoring Capabilities Nagios provides advanced monitoring features for web services, including: Benefits of URL Monitoring with Nagios Implementing URL monitoring helps administrators: Monitoring a Website URL Using check_http Nagios includes the check_http plugin, …

0 comments

General Topics

cPanel’s Site Software Addon Enables WordPress Auto Updates

by Bella October 26, 2015

written by Bella

cPanel’s Site Software disables WordPress auto updates option. We can easily enable this option, for that we need to modify the following files and note that these files were only changed on WordPress sites that were installed using cPanel’s Site Software addon. Ensure to take a backup of these files before making any changes. => wp-admin/includes/update.php => wp-admin/update-core.php => wp-admin/includes/class-wp-upgrader.php

0 comments