Client IP activity Module

Client IP activity Module

Developed By Colonel server

Compatible with WHMCS v8.13

Colonelserver WHMCS IP Activity & Client Correlation Module

A read only IP activity and client correlation module for WHMCS.
Identify shared login IPs, overlapping client activity, and suspicious account relationships directly from the WHMCS admin area without modifying core files or writing to the database.

The Colonelserver WHMCS IP Activity & Client Correlation Module provides administrators with clear visibility into client login behavior by analyzing IP usage across accounts. It helps detect shared IP activity, reused email patterns, and potential abuse or fraud scenarios using existing WHMCS data.

This module is designed for hosting providers and digital service platforms that need better insight into client behavior while keeping the system lightweight, secure, and non intrusive.

Key Features

  • Read only analysis with no data modification
  • Detect shared login IPs across multiple client accounts
  • View last login activity with IP address and timestamp
  • Identify accounts linked by shared email patterns
  • Client profile integration inside WHMCS admin area
  • Clear tab based interface for IPs, emails, and login history
  • Uses existing WHMCS log and client tables
  • No background services or cron jobs required
  • Compatible with WHMCS 7.x and 8.x

Use Cases

  • Detect multi account abuse
  • Investigate fraud or chargeback cases
  • Identify shared access between client accounts
  • Support abuse and compliance investigations
  • Improve internal risk assessment without automation

How It Works

IP Activity Analysis

The module analyzes successful login records stored by WHMCS and groups IP addresses used by multiple clients.
Administrators can instantly see which client IDs have logged in from the same IP address.

Email Correlation

Email addresses are normalized and compared to identify accounts that may belong to the same user.
This helps detect duplicate or related accounts even when email variations are used.

Login History

A dedicated view displays the most recent login IPs per client.
IP addresses that appear on other client accounts are clearly flagged for quick review.

Admin Interface

  • Addon page with separate tabs for
    • Shared Login IPs
    • Shared Emails
    • Recent Login History
  • Client profile box showing related IP activity
  • Clickable links to client profiles for fast investigation

Privacy and Safety

This module operates in read only mode.
No data is altered, stored externally, or transmitted outside your WHMCS installation.
All analysis is performed using existing WHMCS records.

Technical Details

  • Supports PHP 7.4 through 8.2
  • Compatible with WHMCS 7.x and 8.x
  • Uses WHMCS Database Capsule ORM
  • Reads from WHMCS activity and client tables
  • Secure against SQL injection and XSS
  • No core WHMCS file modifications

Installation

  1. Upload the module folder to modules/addons/
  2. Activate Colonelserver IP Activity & Client Correlation Module from
    Admin → System Settings → Apps & Integrations
  3. Access the addon from Addons → IP Activity
  4. View shared IPs and related client activity

Why This Module

WHMCS does not provide a clear built in way to correlate client accounts by IP usage.
This module fills that gap by offering a simple, transparent, and safe investigation tool without automation or risk scoring.

It is ideal for providers who want visibility and control without introducing false positives or intrusive behavior.

 

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Version Compatibility


Compatible with WHMCS v8.13

Full Version Compatibility


  • Selected versions of WHMCS v8.13
        8.13.0 - 8.13.1
  • All versions of WHMCS v8.12
  • All versions of WHMCS v8.11
  • Selected versions of WHMCS v8.9
        8.9.0
  • Selected versions of WHMCS v8.8
        8.8.0
  • All versions of WHMCS v8.7
  • All versions of WHMCS v8.6
  • All versions of WHMCS v8.5
  • All versions of WHMCS v8.4
  • All versions of WHMCS v8.3
  • All versions of WHMCS v8.2
  • All versions of WHMCS v8.1
  • All versions of WHMCS v8.0
  • All versions of WHMCS v7.10

System Requirements


  • PHP 8.1
  • PHP 7.4

* Requirements listed are in addition to the WHMCS default system requirements.

Support for this product

The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.

Developed By Colonel server

Changelog

v1.0.1 Released January 1st, 2026

Latest Version


v1 released

 

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