Reference

Protocol compatibility and known limits.

This page summarizes current support scope for InterceptSuite and where custom protocol behavior may require extra configuration or Python extension logic.

ProtocolVersion / ScopeInterceptionNotes
TCPStream protocolsYesLive interception and packet editing supported
TLSCommon TLS workflowsYesMITM with generated CA and re-origination
DTLSDTLS 1.0 / 1.2YesDTLS 1.3 not supported yet
QUICQUIC v1YesQUIC v2 not supported yet
HTTP/3Raw HTTP/3 over QUIC v1YesStreams relayed over QUIC; decoded view via the HTTP/3 extension
UDPRaw datagramsYesUse SOCKS5 + compatible routing path
STARTTLSTCP to TLS upgradesYesCommon upgrade patterns supported

Last updated: September 2026.

Need help validating your protocol?

For InterceptSuite support, contact [email protected] with target protocol details and sample behavior.