SOCKS5 relays application traffic without interpreting it as HTTP and can support remote DNS, authentication, and optional UDP.
Use socks5h:// in cURL when the hostname should be resolved through the proxy. The h is the important part of this example.
curl -x socks5h://IP:PORT https://example.com
With socks5://, cURL resolves the hostname locally before connecting to the proxy. With socks5h://, hostname resolution goes through the proxy, which avoids a local DNS lookup for that request.
After the SOCKS5 setup guide
Add managed SOCKS5 controls when a public relay is too temporary
Each current paid product lists SOCKS5 and uses the product zone to choose its shared exit network. The paid path adds managed username/password routing and an orderable allowance; SOCKS5 still does not encrypt the application, guarantee a fresh IP or establish UDP support.
ClientUse socks5h only when that client should send the hostname for remote resolution.
GatewayAuthenticates the product-zone credentials and relays the tested TCP path.
ApplicationKeeps responsibility for TLS, authorization, timeouts and normal failures.
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FAQ
Frequently Asked Questions
Why use socks5h:// instead of socks5:// in cURL?
socks5h:// tells cURL to send the hostname to the proxy for resolution. socks5:// resolves it locally first. Use socks5h when remote DNS is part of the test and confirm the client supports that scheme.
Does every SOCKS5 proxy support authentication and UDP?
No. SOCKS5 can support username-password authentication and UDP, but those are optional capabilities. A row here records the checker’s relay result and does not promise every optional command or authentication method.
Does SOCKS5 encrypt traffic?
No. SOCKS5 is a relay protocol, not an encryption layer. Use TLS in the application protocol, such as an https:// target, and do not send sensitive data through an unknown public operator.
How do I configure a SOCKS5 proxy from this list?
Copy a recently checked IP address and port, select SOCKS5 in the client, and use socks5h://IP:PORT when the client supports remote DNS. Verify the exit before a non-sensitive test.
How often is the SOCKS5 proxy list updated?
Candidates are checked on a rolling five-minute schedule. Last Checked describes an individual result, and public SOCKS5 endpoints can disappear between sweeps.
Are these free proxies safe to use?
Do not assume a public proxy is safe. Its operator may inspect or log traffic, and a successful Databay check is not a security review. Use the list only for non-sensitive testing, never for credentials, personal data, payments, or private accounts.
How often is the list updated?
Candidates are checked on a rolling five-minute schedule. Use Last Checked for a specific result. Only endpoints with a successful check less than six hours old are published; older rows are excluded.
What is the difference between HTTP, HTTPS, SOCKS4 and SOCKS5 proxies?
HTTP forwards plain web requests, while HTTPS-capable HTTP proxies relay TLS with CONNECT. SOCKS4 relays TCP. SOCKS5 can add authentication, remote DNS, and optional UDP support.
How do I get a free proxy from this list?
Choose a recently checked row, copy its IP address and port, and select the matching protocol in your client. For bulk use, download TXT, CSV or JSON, or call the free API. No signup is required.
Why do some proxies stop working quickly?
Public endpoints can become overloaded, change configuration, or go offline without notice. A result only describes the latest successful check, so expect failures and use timeouts and retries for testing.
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Setup guides, benchmarks, and research notes on proxies and web data collection.