> ## Documentation Index
> Fetch the complete documentation index at: https://docs.joinmassive.com/llms.txt
> Use this file to discover all available pages before exploring further.

# What are the usage restrictions for Massive Network proxies (ISP and Residential)?

Our proxy networks have the following restrictions:

1. Protocol Support:
   * ISP Proxies: UDP is restricted by default (contact support for access)
   * Residential Proxies: Only HTTP(S) and SOCKS5 protocols are supported

2. Port Access:
   * Standard ports (80 and 443) are available
   * Non-standard ports (e.g., [example.com:8080](http://example.com:8080)) are blocked
   * Port 25 is blocked on both networks
   * For email testing, request access to Ports 587 or 465

3. Content Policy:
   * Only legal and compliant activities are supported
   * 452 Disallowed Content error will appear for restricted content
   * The network is designed for "family-friendly" content