Security

How to Securely Transfer Files via rsync and SSH on Linux

Pre-Flight Check These instructions are intended specifically for transferring files between servers via rsync and SSH on Linux. I’ll...

Th8 12 · 1 min read >

Information on CVE-2015-3456 QEMU Vulnerability (VENOM)

Overview VENOM, or Virtualized Environment Neglected Operations Manipulation, was made public on May 13, 2015. The vulnerability is in...

Th8 12 · 45 sec read >

CSF: Config Server Firewall Installation

An alternative firewall to APF is the Config Server Firewall, or CSF. CSF is generally considered a more advanced...

Th8 12 · 5 min read >

How to Check the glibc (GNU libc) Version on CentOS 6 and CentOS 7

Pre-Flight Check These instructions are intended specifically for checking the installed version of glibc. I’ll be working from a...

Th8 12 · 38 sec read >

How to Update the glibc (GNU libc) in CentOS / Red Hat

Updating glibc on Red Hat Linux or CentOS Linux is a very simple process. Most commonly you will use...

Th8 12 · 24 sec read >

How to Update the glibc (GNU libc) on Fedora

Updating glibc on Fedora Linux is a very simple process. Most commonly you will use the following command in...

Th8 12 · 22 sec read >

Information on CVE-2014-0196 Vulnerability for CentOS and Ubuntu

A vulnerability found in the Linux kernel, specifically a flaw with the pseudo tty (pty) device, allows an unprivileged...

Th8 12 · 37 sec read >

Information on CVE-2015-0235 (GHOST) Vulnerability for Red Hat and CentOS

A vulnerability found in the glibc library, specifically a flaw affecting the gethostbyname() and gethostbyname2() function calls, that allows...

Th8 12 · 50 sec read >

Information on CVE-2014-6271 and CVE-2014-7169 Bash Vulnerabilities (Shell Shock)

On September 24th, a vulnerability was reported in the GNU Bourne-Again-Shell (BASh, or Bash), specifically a flaw with how...

Th8 12 · 1 min read >

Information on CVE-2014-9322 Vulnerability for Red Hat and CentOS

A vulnerability found in the Linux kernel, specifically a flaw in fault handling associated with the Stack Segment (SS),...

Th8 12 · 41 sec read >

How To Update the Kernel in CentOS / Red Hat

Updating the kernel on Red Hat Linux or CentOS Linux is a very simple process. Most commonly you will...

Th8 12 · 26 sec read >

Disabling Root User Login

Another security measure you can take to lock down a Linux server is to disable the root user login...

Th8 12 · 2 min read >

What is Brute Force Detection (BFD)?

BFD (Brute Force Detection) is a critically important part of protecting your server from malicious attacks. What is a...

Th8 12 · 2 min read >

What is an SSL Certificate?

SSL is used for a variety of purposes. For this article we will be discussing SSL as it used...

Th8 12 · 1 min read >

How To Unblock an IP Address in APF

Advanced Policy Firewall, or APF, is a software firewall commonly installed on Liquid Web servers. It is an interface...

Th8 12 · 58 sec read >

How To Unblock an IP Address in CSF

CSF is generally considered an advanced firewall given it has many more configuration options than most other software firewalls...

Th8 12 · 27 sec read >

APF Firewall

Advanced Policy Firewall, or APF, is a firewall sometimes seen on Liquid Web’s servers. It is basically an interface...

Th8 12 · 2 min read >

Windows: Fix Auth Errors When Modifying Users’ File Permissions

When you attempt to add or remove users from file and folder permissions within Windows Exporer, a logon box...

Th8 12 · 53 sec read >

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