Aaron N

Security breach found in PHP “PEAR” library service

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The PEAR server is in a stopped state until safety is confirmed. Its maintainers found that there was a security breach such as an attack on the server “PEAR” which provides a library available in PHP. Users who downloaded and installed PEAR PHP in the last 6 months from the official website of the PEAR … Read more

Critical Intel CPU Bug – Meltdown and Spectre Vulnerabilities

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Critical Intel CPU Bug – Meltdown and Spectre Vulnerabilities

CPU hardware implementations are vulnerable to side-channel attacks referred to as Meltdown and Spectre.Earlier this week, serious security problem – CPU Bug has been found in the Intel/AMD/ARM CPUs. According to various teams including Google Project Zero, CPU data cache timing can be abused efficiently to leak information out of mis-speculated execution, leading to (at worst) arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts. These vulnerabilities are known by name ‘Meltdown’ and ‘Spectre’.

You can read more about attack from this link

There are 3 known variants for this CPU Bug:

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Install and Configure Mod-Pagespeed on Linux servers

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Mod-Pagespeed is an Apache/Nginx (web-server) module to speed up your website by applying certain filters that automatically optimize files to reducing number of times the browser has to make to grab web files, to reduce the size of those files and to optimize the length those files are cached. This article we will show you how to install and configure Google‘s mod-pagespeed module for Apache and Nginx web servers in RHEL/CentOS/Fedora and Debian/Ubuntu systems.

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cPanel to Plesk – How to Migrate a hosting account ?

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cPanel to Plesk Migration

Migration from cPanel to Plesk Plesk and cPanel have different business models and features, requiring the conversion of migrated objects during deployment on the destination server. I am referring the way to migrate a cPanel hosting account to Plesk For example: Parked domains in  cPanel converts to domain aliases in Plesk. Some objects and settings will not … Read more

Configuring postfix to block all emails except one email accounts

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Configuring postfix to block all emails except the specified email accounts

Configuring postfix to block all emails except the specified email accounts Here is how you can configure postfix to block all emails except the specified email accounts, following the below steps: Use Transport Mapping Here we can tell the postfix mail server to send or disregard the emails. For this we need to edit the … Read more

Secure your domain with Let’s Encrypt

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Introduction Let’s Encrypt is a new free certificate authority that launched on April 12, 2016 that provides free X.509 certificates for Transport Layer Security (TLS) encryption via an automated process designed to eliminate the current complex process of manual creation. Advantages:   Before Let’s Encrypt was made available to webmasters, obtaining a certificate for https … Read more

Enable additional commands to CageFS users in CloudLinux

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Introduction In CloudLinux, CageFS is a virtualized, per-user file system that uniquely encapsulates each customer, preventing users from seeing each other and viewing sensitive information. It prevents a large number of attacks, including most privilege escalation and information disclosure attacks. It is completely transparent to your customers, without any need for them to change their scripts. After … Read more

How to manage VirtFS on cPanel server

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How to mange VirFS on cpanel server

What is Virtfs in cpanel ? How it is created ? The /home/virtfs is a file system for the jailshell shell in cPanel servers. A jailed shell  is used for restricting the access for the user. In a normal shell most binaries and libraries are available to user. It can cause security issues on your … Read more

Custom php.ini on LiteSpeed with cPanel

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Custom php.ini set up in Cpanel PHP configuration directives are specified in the php.ini file. We can make immediate changes in the functionality of php through php.ini file. Making changes to the default PHP configuration will effect all the users. So we can create Custom php.ini files for individual users. To enable custom php.ini in … Read more