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Technical topic archive

Security Guides

Server security guides for firewalls, hardening, access control, malware investigation and incident prevention.

Latest articles

Latest security articles

11 published guides
Bug icon representing a hunt for malware after the PHP2Shell vulnerability
SESecurity

Did PHP2Shell Hit Your Server? How to Check for Compromise After Patching

Updating PHP stops new attacks but does not tell you whether someone got in earlier. A practical sweep of logs, new files, processes and scheduled jobs, plus when to rotate credentials.

3 min read
Bug icon representing the PHP2Shell remote code execution vulnerability in PHP
SESecurity

PHP2Shell (CVE-2026-109618 and CVE-2026-109619): Is Your Server Vulnerable and What to Do

PHP2Shell is a pair of critical PHP flaws that let an unauthenticated visitor run code on a web server. How to check if you are exposed, why php -v can mislead you, and the order to patch in.

7 min read
Bug icon representing malware hidden inside a hacked WordPress site
SESecurity

WordPress Site Redirecting to Spam? How to Find the Malware on a cPanel Server

A WordPress site that sends visitors to spam pages is almost always infected in a handful of predictable places. How to hunt for the malware on a cPanel server, and what to do before cleaning.

6 min read
A crawler bot icon inside a blocked circle over a server security graphic
SESecurity

AI Crawler Bots Are Overwhelming Servers: How to Detect and Block Them

AI crawlers now generate heavy automated load, and shared and mid-sized servers absorb it. How to identify AI bot traffic in your logs and block or rate limit it without hurting search visibility.

6 min read
How to Secure WHMCS and Block Spam Orders or Tickets server administration guide
SESecurity

How to Secure WHMCS and Block Spam Orders or Tickets

If you require professional help to fix the WHMCS security, hire us and check out our plans at Proactive Server Management.

4 min read
Top 10 Tips to Secure your Server Effectively server administration guide
SESecurity

Top 10 Tips to Secure your Server Effectively

Server Security is next to essential for every company and that is when you always need the expert services of the server management company.

4 min read
How to Setup Cloudflare for WordPress server administration guide
SESecurity

How to Setup Cloudflare for WordPress

Cloudflare provides a free Content Delivery Network (CDN) that improves the speed of your website.

3 min read
Symlink Attack on Cpanel Server server administration guide
SESecurity

Symlink Attack on Cpanel Server

What is Symlink? A symlink (also called a symbolic link) is a type of file that points to another file or a folder on your computer.

3 min read
Which is the Best Firewall for cPanel Server? server administration guide
SESecurity

Which is the Best Firewall for cPanel Server?

features of ConfigServer Security & Firewall

4 min read
How to Secure Your WordPress Website: A Complete Guide for Professionals server administration guide
SESecurity

How to Secure Your WordPress Website: A Complete Guide for Professionals

Most basic techniques which is used to used to secure WordPress

4 min read
Getting Blank RKhunter Scan Result Emails. server administration guide
SESecurity

Getting Blank RKhunter Scan Result Emails.

A blank RKhunter email can mean a clean warning-only scan, a cron environment problem or a failed mail command. Use these checks to identify which one.

3 min read
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