feat: add DNS-over-TCP support alongside UDP listener - #56
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Schalla89
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Jul 29, 2026
Schalla89
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- Implemented TcpListener bound to the configured listen address & port
- Added RFC 1035 TCP DNS frame handler (2-byte length prefix)
- Refactored query resolution pipeline to process both UDP and TCP queries through unified cache and DoH upstream logic
added 2 commits
July 29, 2026 03:04
- Implemented TcpListener bound to the configured listen address & port - Added RFC 1035 TCP DNS frame handler (2-byte length prefix) - Refactored query resolution pipeline to process both UDP and TCP queries through unified cache and DoH upstream logic
- Prevents premature TCP socket teardown when upstream lookup times out or fails - Ensures compliance with DNS over TCP standards by sending proper RCode::ServFail response
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