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IP Restriction Tool | Creshy Enterprise

Creshy IP Geofence Pro

Network-Locked Documents
SCANNING NETWORK PARAMETERS

Validation Mode: Active

Introduction

In a world of remote work and global data sharing, knowing who has your file is only half the battle; knowing where they are opening it is the other. Our PDF IP Restriction Tool adds a layer of “Geofencing” to your documents. By embedding network-aware logic into your PDF, you can ensure it only opens when the user is connected to a specific authorized network. Whether you are a security officer in Karachi protecting internal HR files or a developer at DIHOD Software House ensuring code documentation stays within the office, this tool provides the “Network-Level” gatekeeping you need. As part of our milestone of over 500 digital tools on Creshy, we offer this high-tier security utility to help you define your digital borders.

What is this Tool?

This is a specialized document security utility that utilizes Embedded JavaScript API calls to query the user’s public or local IP address upon opening the file. If the detected IP does not match your “Authorized List,” the document remains locked or displays a “Restricted Access” screen. To ensure your absolute privacy, all IP configuration is performed locally in your browser; your sensitive documents and the IP addresses you white-list are never uploaded to our servers.


Why Use This Tool?

Standard passwords can be shared or leaked. IP restriction ensures that even if an unauthorized person has the password, they cannot view the content unless they are physically (or via VPN) on your approved network.

Common Problems Solved

  • Remote Data Leaks: Prevent employees or contractors from opening sensitive company files over unsecured public Wi-Fi (like at a cafe or airport).
  • Corporate Espionage: Ensure that a leaked PDF cannot be opened if it is sent to a competitorโ€™s network.
  • Compliance & Auditing: Meet strict “On-Premises Only” data requirements for legal, medical, or financial records.

Features & Benefits

Key Features

  • Whitelist Specific IPs: Enter individual IP addresses (e.g., 192.168.1.1) or entire network ranges.
  • Custom Denied Message: Define the message users see when access is blocked (e.g., “Unauthorized Network. This document is restricted to Office HQ.”).
  • “Graceful” Lockout: The tool can be set to allow a preview of the cover page while locking the remaining sensitive content.
  • Instant Local Processing: No server-side waiting; “Network-Lock” your document in milliseconds using your deviceโ€™s local CPU.

Benefits for You

  • Location-Based Security: Add a physical dimension to your digital security strategy.
  • Total Privacy Guarantee: Your documents and network configurations stay on your machineโ€”processed entirely within your browser’s secure sandbox.
  • Zero Cost: Access premium network-security technology for free, powered by Creshy Group.

How to Use: Step-by-Step Guide

  1. Upload Your PDF: Click “Choose File” or drag your document into the restriction zone.
  2. Detect/Enter IP: The tool can automatically detect your current IP, or you can manually enter the authorized IP addresses/ranges.
  3. Choose Failure Action: Select whether the PDF should show a blank page, a custom warning message, or prompt for a “Master Bypass Password.”
  4. Add Custom Message: Enter the instructions for unauthorized users to follow if they need to request access.
  5. Save & Download: Click “Generate IP-Locked PDF” to save your network-protected file.

FAQ (Frequently Asked Questions)

Q: Does this require the user to be online? A: Yes. Because the PDF needs to verify the current network IP against your whitelist, an active internet or local network connection is required to “Unlock” the content.

Q: Can this be bypassed with a VPN? A: If a user is on an authorized VPN that provides them with an approved office IP, they will be able to open the file. This is often the desired behavior for secure remote work.

Q: Will it work on mobile PDF readers? A: IP-based scripting is a high-level feature supported by professional readers like Adobe Acrobat (Desktop/Mobile) and most modern web browsers. Some basic “File Previewers” may not support the network-check script.


Found an Issue? Let Us Know!

Network protocols and IP masking (like Appleโ€™s Private Relay) can sometimes interfere with IP detection. If you encounter a file that doesn’t authorize correctly on a known network, please contact the technical security team at DIHOD. We are dedicated to providing the most advanced document-control tools for the global Creshy community.


Disclaimer

This tool is a network-level deterrent and document management aid. While it provides a functional “soft-lock” based on IP addresses, it is not a substitute for enterprise-grade DRM or server-side document tracking systems for high-stakes military or financial data.

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