SOCKS5 UDP Associate Explained
SOCKS5 UDP relay for DNS and datagram protocols — handshake flow and relevance to HTTP-only scrapers.
SOCKS5 UDP relay for DNS and datagram protocols — handshake flow and relevance to HTTP-only scrapers.
UDP associate
SOCKS5 can relay UDP datagrams via UDP ASSOCIATE command. TCP control connection stays open.
Use cases
- Custom UDP protocols
- Some DNS setups
- Gaming and VoIP
Related: SOCKS4 vs SOCKS5.
Web scraping note
Most HTTP crawlers never need UDP. Prefer HTTP or SOCKS5 TCP for standard pipelines.
Related: HTTP vs SOCKS5.
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Related guides
SOCKS4 vs SOCKS5: Key Differences
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