Documentation v3.0

Server licensing
made simple

Install, configure, and manage licenses for cPanel, LiteSpeed, CloudLinux, and 15+ products with a single command.

Get Started license404.com
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AlmaLinux 9/10
Rocky Linux 9
Ubuntu 22.04
CentOS
CloudLinux
FreeBSD 12+
Debian 9+
Getting Started

Installation

One-command install. Run as root.

💻
cPanel
Web hosting control panel
bash <( curl https://license.license404.com/pre.sh ) cPanel; License404CP
Update: License404CP
⚡
LiteSpeed
High-performance web server
bash <( curl https://license.license404.com/pre.sh ) liteSpeed; License404LSWS
Update: License404LSWS
⛅
CloudLinux
Server isolation & security
bash <( curl https://license.license404.com/pre.sh ) CloudLinux; License404CLN
Update: License404CLN
🛡
Imunify360
Security suite
bash <( curl https://license.license404.com/pre.sh ) Imunify360; License404Imunify360
Update: License404Imunify360
📦
Softaculous
Auto-installer for 400+ apps
bash <( curl https://license.license404.com/pre.sh ) Softaculous; License404Softaculous
Update: License404Softaculous
🌐
Plesk
Web hosting platform
bash <( curl https://license.license404.com/pre.sh ) Plesk; License404Plesk
Update: License404Plesk
📄
DirectAdmin
Lightweight control panel
bash <( curl https://license.license404.com/pre.sh ) DirectAdmin; License404DA
Update: License404DA
💰
WHMCS
Billing & automation
Download License.php and replace at: YOUR-WHMCS-PATH/vendor/whmcs/ whmcs-foundation/lib/License.php
Contact support for latest files
🔒
FleetSSL
Free with cPanel license
License404CP -fleetssl
Requires cPanel license installed first
💼
Virtualizor
VPS management panel
bash <( curl https://license.license404.com/pre.sh ) Virtualizor; License404Virtualizor
Update: License404Virtualizor
💾
JetBackup
Backup solution
bash <( curl https://license.license404.com/pre.sh ) JetBackup; License404JetBackup
Update: License404JetBackup
🛠
KernelCare
Kernel patching
bash <( curl https://license.license404.com/pre.sh ) KernelCare; License404KernelCare
Update: License404KernelCare

Removing a previous license: If you have another license installed, remove it first:

wget -O remover https://license.license404.com/remover; chmod +x remover; ./remover

Verify cPanel license (avoid datacenter abuse notice):

touch /etc/.verifylicense ; License404CP
Support

Frequently Asked Questions

Common questions about License404 answered.

Yes! License404 only connects the license checker to its own servers. Updates are still available from the official provider in realtime.
Yes, you can change the license IP unlimited times. Login to your License404 client area, select your license, and use the change IP function.
Not at all! License404 does not edit any files on your server and will not cause data harm.
No. License404 is designed under Information Privacy Law rules. We do not and cannot have access to any files on client's server.
Instantly! All licenses are delivered from the API system instantly.
Yes, you can uninstall our license and install the original license without issue and without data loss.
No, they are not able to trace you because you are not their client. They cannot ban you or send DMCA/abuse notices.
License404 has been providing licenses since 2017 with no price changes. We try our best to maintain pricing.
PayPal and all kinds of cryptocurrencies are accepted.
Yes, contact support with your license list for a fair bulk price.
Diagnostics

License Troubleshoot

Fix common licensing issues with these commands.

cPanel Error 500 or Invalid License File

Remove all previous licenses, then run:

License404CP -fix

Checks all cPanel issues and corrects them.

cPanel PostgreSQL Login Failed

If you face login failed errors with PostgreSQL:

License404CP -pgsql

Configures PostgreSQL and fixes possible issues.

cPanel Locale Files

To install cPanel locale files:

License404CP -locale

Choose which locale you want from the list.

Encryption

SSL Settings for cPanel

Configure SSL certificates for your cPanel server.

LetsEncrypt AutoSSL

Install LetsEncrypt AutoSSL provider:

/usr/local/cpanel/scripts/install_lets_encrypt_autossl_provider

Then login to WHM → AutoSSL and activate "LetsEncrypt"

FleetSSL Installation

Free with License404 cPanel license:

License404CP -fleetssl

Installs FleetSSL and its license simultaneously.

SSL on Hostname

Install valid SSL on hostname:

/usr/local/cpanel/bin/checkallsslcerts
Hardening

Security TIPS for cPanel

Essential security practices for your cPanel server.

Safe Login Ports

Always login with SSL. Never use IP address directly.

ServiceSSLNon-SSL
cPanel20832082
WHM20872086
https://example.com:2083 (cPanel SSL) https://example.com:2087 (WHM SSL) https://example.com/cpanel https://example.com/whm

CSF Firewall

Install CSF firewall to protect your network:

cd /usr/src rm -fv csf.tgz wget https://download.configserver.com/csf.tgz tar -xzf csf.tgz cd csf sh install.sh

Test: perl /usr/local/csf/bin/csftest.pl

Secure SSH

Change default SSH port from 22 to a custom port (e.g., 1527):

# Edit /etc/ssh/sshd_config # Change: Port 22 # To: Port 1527 # Open port in firewall, then restart: service sshd restart
Verification

Verify LiteSpeed License

Check your LiteSpeed license core and worker numbers.

Check Core Number

Run the following command to determine your LiteSpeed core count:

ps aux | grep litespeed

The number of LiteSpeed processes showing is your license core number. Example for an 8-core license:

root 5344 0.0 1.0 ... S 16:00 0:00 litespeed (lshttpd - main)
nobody 5347 0.2 4.3 ... Sl 16:00 0:02 litespeed (lshttpd - #01)
nobody 5348 0.2 4.3 ... Sl 16:00 0:02 litespeed (lshttpd - #02)
nobody 5354 0.2 4.3 ... Sl 16:00 0:02 litespeed (lshttpd - #03)
nobody 5361 0.2 4.1 ... Sl 16:00 0:02 litespeed (lshttpd - #04)
nobody 5366 0.2 4.3 ... Sl 16:00 0:02 litespeed (lshttpd - #05)
nobody 5372 0.2 4.3 ... Sl 16:00 0:02 litespeed (lshttpd - #06)
nobody 5378 0.2 4.8 ... Sl 16:00 0:02 litespeed (lshttpd - #07)
nobody 5384 0.2 4.0 ... Sl 16:00 0:02 litespeed (lshttpd - #08)

If the wrong number is showing, contact support so we can check it.

Monitoring

System Status

Live monitoring of license404.com — data refreshes every 60 seconds.

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Get in Touch

Contact Support

Need help? Reach out through these channels.

Important: Contact with your License supplier. We know nothing about you.
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