What are good load averages to monitor for shared hosting?
8 July 2025
1:23 pm
I did an audit and this is what I found: From performant to slow disk: 1 Minute channel above 10 for 120 seconds: x 1
Knowledgebase
How to harden Exim on WHM/cPanel if you’re a victim of constant DoS attacks
3 July 2025
2:39 pm
Synopsis At times cPanel servers will be overwhelmed and connection counts will bust the 100 limit. Taking it up to 150 or 200 as per
How to find and fix Fuzz Faster U Fool attacks on a hosted cPanel server attacking ports 2083 and 2086
25 June 2025
9:39 am
Fuzz Faster U Fool attacks is a technique whereby attackers scan cPanels servers at incredibly high speed on ports 2083 and 2086 and look for
WHM/cPanel – List of all ports and a script to test them
24 June 2025
3:41 am
Here is a Bash script to test all inbound cPanel ports: 20 FTP 21 FTP 22 SSH 25 SMTP 26 SMTP 53 DNS 80 HTTP
Roundcube Webmail on server slow (but actually not working and no errors) – just hanging
24 June 2025
3:20 am
According to cPanel support, if your Roundcube is slow, you should read this: https://support.cpanel.net/hc/en-us/articles/360049982694-Webmail-Login-stuck-on-Logging-you-in And do this: cat /usr/local/cpanel/logs/php-fpm/error.log Look for: WARNING: [pool user_username] server
How to monitor Postfix queue length using an SNMP monitor
10 July 2025
Background It’s essential to monitor email queues if you’re an Internet service provider or email service provider. Any of your 1000s of email users might
What are good load averages to monitor for shared hosting?
8 July 2025
I did an audit and this is what I found: From performant to slow disk: 1 Minute channel above 10 for 120 seconds: x 1
How to harden Exim on WHM/cPanel if you’re a victim of constant DoS attacks
8 July 2025
Synopsis At times cPanel servers will be overwhelmed and connection counts will bust the 100 limit. Taking it up to 150 or 200 as per
How to monitor an Exim queue on a WHM server using SNMP and PRTG
3 July 2025
Synopsis This article described types of queue monitoring you might want to do on an Exim server. Monitor the Exim queue length and pre-empt getting
SNMP Configuration (snmpd.conf) Cheat Sheet
30 June 2025
A curated list of SNMP commands and parameters. The article aims to highlight differences between RedHat (e.g. AlmaLinux/CentOS) based distributions and Debian (e.g. Ubuntu) based