FC New User Guard for MyBB
Limit link-like content and rapid posting by new members.
The plugin has configurable thresholds, does not call an external service, and includes a complete installation, configuration, testing and removal guide. To make rate counting meaningful, it disables MyBB post merging for protected submissions while the rate limit is enabled.
This is a heuristic layer, not a guarantee against spam. Guests, registrations, private messages, edits, attachments and custom posting endpoints are not covered. It has no block log or moderator dashboard. Test it on a staging copy and keep MyBB's own anti-spam controls enabled.
Preview
1 / 1
What's included
- Configurable link-pattern and post-rate limits for newer logged-in members
- Checks normal MyBB threads, replies and quick replies
- Account-age and post-count thresholds; moderator and group exemptions
- No external API calls; no core file or template edits
- Full installation, usage, troubleshooting and removal guide included
- Licensed under GNU GPL version 3 or later
At a glance
| Platform | MyBB plugin |
|---|---|
| Latest version | v1.0.1 |
| Download size | 18.1 KB |
| Released | 12 Nov 2026 |
| Downloads | 0 |
| Access | Free — sign in to download |
| Version | 1.0.1 |
| Platform | MyBB 1.8 (1.8.41 used in local staging) |
| License | GPL-3.0-or-later |
| Data | No plugin-specific block log or moderator dashboard |
| Download | Free with a ForumCrafts account |
Requirements
- MyBB 1.8 and a PHP version supported by your MyBB installation
- Admin CP and file-upload access
- Staging forum and backup recommended before production
Checksum
Verify your download before you upload it to your board.
d02726801364325ff2d5cdf0d79428765d3015e654e2d3e890214f96d3415d12Install it
2. Extract the ZIP and upload inc/plugins/fc_new_user_guard.php to your MyBB forum's inc/plugins/ directory.
3. In Admin CP → Configuration → Plugins, choose Install & Activate.
4. Open Configuration → Settings → FC New User Guard, choose limits and save.
5. Follow the complete guide to test new-member posts, exemptions and removal before production.
Questions people ask
Does it cover guest posts or registration?
No. It checks logged-in members submitting ordinary threads and replies. Guests, sign-ups, private messages, edits and custom posting endpoints are outside its scope.
Can moderators see a log of blocked posts?
No. This version has no block log, dashboard or alerts. Blocked members receive an error and can contact a moderator.
Does it stop every spam link?
No. Link detection uses common URL and MyCode patterns and can miss obfuscated or bare-domain links. False positives are possible.
Is a license key required?
No. The code is distributed under GPL-3.0-or-later; the full license is included in the ZIP.
How was it tested?
Local MyBB 1.8.41 staging covered installation, regular thread and reply checks, quick-reply errors, draft saving and uninstall with SQLite and PHP 8.4. Test with your own database, theme and plugins before production.
All releases
| Version | Released | Size | Downloads | Changelog |
|---|---|---|---|---|
| v1.0.1 latest | 12 Nov 2026 | 18.1 KB | 0 | Initial release with link-pattern and posting-rate limits. Includes per-submission protection against post-merge rate-limit bypass. See CHANGELOG.md in the ZIP. |
Ratings & reviews
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