Redmine IP Fence Plugin

Features

This plugin implements network isolation for Redmine attachments, controlling access permissions based on upload and download IP addresses.

Installation

1. Copy the plugin directory to Redmine's plugins/ directory
2. Run database migrations in the Redmine directory:

   bundle exec rake redmine:plugins:migrate RAILS_ENV=production

3. Restart the Redmine service

Configuration

1. Log in to Redmine as an administrator
2. Go to "Administration" → "Plugins" → "Redmine IP Fence Plugin"
3. Configure internal network IP ranges (one IP range per line, wildcard * is supported)

Verification

1. Upload a file from an internal IP - it should be marked as sensitive
2. Attempt to download a sensitive file from an external IP - access should be denied
3. Download a file from an internal IP - access should be allowed