> For the complete documentation index, see [llms.txt](https://doc.thordata.com/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.thordata.com/doc/faq/product-problem/general-questions/which-protocols-and-ports-are-supported.md).

# Which protocols and ports are supported?

| **Product**                  | **Protocols**         | **Port** |
| ---------------------------- | --------------------- | -------- |
| Rotating residential proxies | HTTP / HTTPS          | 9999     |
| Mobile proxies               | HTTP / HTTPS          | 9999     |
| Static ISP proxies           | HTTP / HTTPS / SOCKS5 | 6666     |

SOCKS5 is not supported on residential and mobile proxies. Business customers who have completed Enterprise KYC may request SOCKS5 access by describing their use case; individual and testing use is not eligible.

Not supported on any product: UDP, IPv6 (IPv4 only), mail-related ports (25, 993/IMAP, 9080), SSH and arbitrary TCP port forwarding. If you need a different port, please contact support before purchasing.