Security Module

Username Blacklist

Username Blacklist prevents registration of specified usernames. Block common targets like admin, administrator, test, root, and any custom names you want to reserve or prevent. Stops attackers from registering obvious usernames and prevents confusion with official accounts. Simple list management with one username per line.

Settings
Settings - Username Blacklist module
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username blacklist security registration protection

Username Blacklist • Part of 165+ modules $349 $249

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Key Features

Default blacklist of common names
Custom username blacklist
Registration prevention

Why Use This Module?

  • Block common usernames
  • Prevent impersonation
  • Stop obvious attack targets
  • Reserve important names
  • Simple list management

Real-World Use Cases

Block Common Targets

Prevent registration of usernames like 'admin', 'administrator', 'root' that are primary targets for brute force attacks.

Prevent Spam Accounts

Block spam bots from registering with common test usernames like 'test', 'demo', 'guest' on membership sites.

Enforce Naming Policy

Blacklist inappropriate or reserved usernames to maintain professional user base and prevent impersonation.

How to Use

Add usernames to blacklist in module settings. These usernames cannot be registered.

Benefits & Impact

Time Savings

Automates manual tasks and streamlines your workflow

Performance Boost

Enhances site security and protection

Better UX

Provides a better user experience

Easy Maintenance

Simple setup with minimal ongoing maintenance

Frequently Asked Questions

What usernames should I block?

admin, administrator, test, root, support, webmaster, and any role or brand names.

Does this affect existing users?

No, only blocks new registrations. Existing usernames are unaffected.

Is the check case-sensitive?

No, Admin and admin are both blocked if admin is listed.

What Users Are Saying

"Someone registered as admin before we could. Never again with blacklist."

— Open Registration

"Attackers try registering as admin first. Blocked before they start."

— Security

"Our brand name is reserved. No one can register impersonating us."

— Brand Protection

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