Category: Security

Keeping safe

Universal Logon Framework: Another Blockchain Technology Disruption

The world as we see it today has no doubts become digitized. Nearly almost all transactions are carried out online. From booking an airplane ticket, international money transfers to ordering for foods and even booking

5 Tools to Scan a Linux Server for Malware and Rootkits

There are constant level of high attacks and port scans on Linux servers all the time, while a properly configured firewall and regular security system updates adds a extra layer to keep the system...

How to Set up Sucuri Firewall (WAF) on Your WordPress Site

Bot traffic is higher than it’s ever been. According to Distil Networks, in 2017, bad bots accounted for 21.8% of all website traffic, a 9.5% increase …

The post How to Set up Sucuri Firewall (WAF) on Your WordPress Site appeared first on Kinsta Managed WordPress Hosting.

Cryptmount – A Utility to Create Encrypted Filesystems in Linux

Cryptmount is a powerful utility which allows any user to access encrypted filesystems on-demand under GNU/Linux systems without requiring root privileges. It requires Linux 2.6 or higher. It handles both encrypted partitions as well...

How to Change FTP Port in Linux

FTP or File Transfer Protocol is one of the oldest network protocol used today as standard file transfers over computer networks. FTP protocol uses the standard port 21/TCP as command port. Although, there are...

How to Block Ping ICMP Requests to Linux Systems

Some system administrators often block ICMP messages to their servers in order to hide the Linux boxes to outside world on rough networks or to prevent some kind of IP flooding and denial of...

How to Check and Patch Meltdown CPU Vulnerability in Linux

Meltdown is a chip-level security vulnerability that breaks the most fundamental isolation between user programs and the operating system. It allows a program to access the operating system kernel’s and other programs’ private memory...

10 Best WordPress Security Plugins to Lock out the Bad Guys

Before we dive into some WordPress security plugins, let’s start with an example. Say you buy a new house. This exciting new investment requires a hefty …

The post 10 Best WordPress Security Plugins to Lock out the Bad Guys appeared first on Kinsta Managed WordPress Hosting.

How to Fix ERR_TOO_MANY_REDIRECTS on Your WordPress Site

We come across a lot of different errors here at Kinsta, and ERR_TOO_MANY_REDIRECTS (also known as a redirect loop) is one we see on a regular …

The post How to Fix ERR_TOO_MANY_REDIRECTS on Your WordPress Site appeared first on Kinsta Managed WordPress Hosting.

How to Check Integrity of File and Directory Using “AIDE” in Linux

In our mega guide to hardening and securing CentOS 7, under the section “protect system internally”, one of the useful security tools we listed for internal system protection against viruses, rootkits, malware, and detection...

What goes into protecting your credit card information on the web?

*  This post was originally posted on November 28, 2014, and has been updated for accuracy.  Purchases happen with the click of a button, a swipe of a finger, or simply, no human interaction at all. Whether it’s our monthly subscription to Netflix, the plane tickets that just went on flash sale, or the book that we purchased with Prime shipping, our request for immediacy and automation has placed our credit card information all over …

How to Configure Basic HTTP Authentication in Nginx

Basic HTTP authentication is a security mechanism to restrict access to your website/application or some parts of it by setting up simple username/password authentication. It can be used essentially to protect the whole HTTP...

3 Ways to Prevent Email Abuse

*  This post was originally posted on July 12, 2016, and has been updated for accuracy.  Over 100 billion emails get sent per day. Everything from out-of-office alerts to billing summaries gets transferred across the web, from server to server. While we expect the things we send and deliver to remain secure, we know it isn’t always the case. There are various ways mail servers can be compromised, however, there are also …

How to Lock User Accounts After Failed Login Attempts

This guide will show how to lock a system user’s account after a specifiable number of failed login attempts in CentOS, RHEL and Fedora distributions. Here, the focus is to enforce simple server security...

How to Enable or Disable SELinux Boolean Values

Security-Enhanced Linux (SELinux) is a security mechanism for mandatory access control (MAC) implemented in the Linux kernel. It is a flexible operation designed to boost overall system security: it enables access controls imposed using...

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How To Protect Hard and Symbolic Links in CentOS/RHEL 7

In Linux, hard and soft links are referenced to files, which are very important, if not protected very well, any vulnerabilities in them can be exploited by malicious system users or attackers. A common...

TMOUT – Auto Logout Linux Shell When There Isn’t Any Activity

How often do you leave a Linux system idle after login; a situation which can be referred to as an ‘idle session’, where you are not attending to the system by running commands or...

WordPress 4.7.4 and the ‘noopener noreferrer’ attribute

Some of you may have noticed that after you upgrade to WordPress 4.7.4, when you edit a post using the visual editor tab and add an internal link (a link… More »

How to Secure Network Services Using TCP Wrappers in Linux

In this article we will explain what TCP wrappers are and how to configure them to restrict access to network services running on a Linux server. Before we start, however, we must clarify that...

4 Useful Tips to Secure PhpMyAdmin Login Interface

Normally, advanced users prefer to use and manage MySQL database management system from its command prompt, on the other side, this method has proved to be a great challenge for relatively new Linux users....