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Gemini Executive Synthesis

The rkn-block-checker tool, designed to diagnose internet blocks. The specific feature request is FakeIP support.

Technical Positioning
The tool aims to accurately diagnose RKN/TSPU internet blocks across multiple layers (DNS, TCP, TLS, HTTP). Supporting FakeIP is crucial for comprehensive and realistic testing in environments where IP addresses are obfuscated or virtualized, ensuring the tool's diagnostic capabilities remain effective under advanced blocking scenarios.
SaaS Insight & Market Implications
The demand for FakeIP support in rkn-block-checker reveals a critical gap in its diagnostic capabilities. Users operating in environments with sophisticated internet censorship, likely employing FakeIP techniques, require the tool to function under these conditions. The existing output, detailing TLS DPI and DNS poisoning, underscores the advanced nature of the blocks being diagnosed. Without FakeIP compatibility, the tool's utility is severely limited for a segment of its target audience facing advanced blocking methods. This directly impacts its market relevance and effectiveness as a comprehensive diagnostic solution for internet freedom and circumvention tools, suggesting a need to adapt to evolving censorship tactics.
Proprietary Technical Taxonomy
FakeIP RKN/TSPU internet blocks DNS TCP TLS HTTP TLS handshake silently dropped DPI filtering by ClientHello

Raw Developer Origin & Technical Request

Source Icon GitHub Issue May 8, 2026
Repo: MayersScott/rkn-block-checker
FakeIP support

Doesn't work with FakeIP. Please make a fix or option.

======================================================================
RKN Block Checker
======================================================================
couldn't fetch IP info
----------------------------------------------------------------------

Whitelist (should always work)
name verdict TCP TLS PLT status
--------------------------------------------------------------------
sberbank ✓ OK 83ms 251ms 338ms 200
gosuslugi ~ LIKELY TLS DPI 78ms - - -
└ TLS handshake silently dropped — consistent with DPI filtering by ClientHello, but could be a flaky path
nalog ~ LIKELY TLS DPI 80ms - - -
└ DoH lookup failed — control comparison unavailable, DNS poisoning cannot be ruled out
└ TLS handshake silently dropped — consistent with DPI filtering by ClientHello, but could be a flaky path
rkn ~ LIKELY TLS DPI 126ms - - -
└ DoH lookup failed — control comparison unavailable, DNS poisoning cannot be ruled out
└ TLS handshake silently dropped — consistent with DPI filtering by ClientHello, but could be a flaky path
kinopoisk ~ LIKELY TLS DPI 120ms - - -
└ DoH lookup failed — control comparison unavailable, DNS poisoning cannot be ruled out
└ TLS handshake silently dropped — consistent with DPI filtering by...

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Other highly discussed features and pain points extracted from MayersScott/rkn-block-checker.

Extracted Positioning
The rkn-block-checker tool. The feature request is Proxy support (Socks5, http).
The tool aims to diagnose RKN/TSPU internet blocks. Integrating proxy support (Socks5, http) is essential for testing network conditions from different vantage points or through circumvention tools. This enhances the tool's diagnostic accuracy and utility for users operating under censorship, allowing them to simulate various network paths and identify blockages more effectively.

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Issue Status

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Dns Resolver