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LSP / Local SNI Proxy

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Introduction

This is a local DNS and HTTPS server, using man-in-the-middle approach to bypass SNI based filtering.

The server can only work on the same computer you use for internet surfing, occupying 53, 443, 3080 port for handling dns exchanges, SNI proxying and serving web configuration UI.

wikipedia

pixiv

Features

  • Web Configuration UI
  • Multiple Upstream DNS Servers Setting
  • IP Address - Domain - Server Name Map Setting

Installation

Windows

  • Download windows.7z
  • Decompress it into your software folder
  • Open that folder, execute install.bat in it with administrator privilege

Others

  • Waiting for pull requests

Configuration

After installation, open https://lsp.com in one of the modern browsers, noting that must use https.

configuration

Upstream DNS Setting

Input dns servers your preferred for parsing those domains not been SNI blocked.

The format of single server is [protocol://ip:port], and protocol can only be chosen from udp,tcp and tcp-tls.

Different servers should be in different lines. Servers will not be used when those in the front work fine.

IP Domain SNI Mapping

You can supply hosts-like config in this area to bypass both dns pollution and SNI filtering.

Peculiarly, give server name after ip domain to nominate the domain going through SNI firewall.

For example, the record below enable firewall to see a connection to 208.80.153.224 with server name www.kernel.org.

When not supplied, program will use www.apple.com.

208.80.153.224 www.wikipedia.org www.kernel.org

After filling the form, click SAVE to make it take effect. The page will stop submitting when your config has errors.

Reference

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[Pixiv、Wikipedia 直连] A local DNS and HTTPS server, using man-in-the-middle approach to bypass SNI based filtering.

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