# ValdikSS/blockcheck

Russian ISP blocking type checker NOTE: NOT WORKING CURRENTLY. ВНИМАНИЕ: НЕ РАБОТАЕТ НА ТЕКУЩИЙ МОМЕНТ

Repository: https://github.com/ValdikSS/blockcheck
Canonical: https://ross.abutalabs.com/products/blockcheck
Language: Python
License: MIT
License Family: permissive
Topics: dpi, deep-packet-inspection, dns, censorship-circumvention
Archived: true
Last push: 2022-03-29T13:29:05+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 4447, "days_push": 1618, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: archived
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1392, forks 150 (observed 2026-08-28T04:04:36.054243+00:00)

## What it is
BlockCheck is a Python utility that detects the type of website blocking used by Russian ISPs, including DNS tampering, DPI filtering, SSL certificate substitution, and IP blocking. It also tests various DPI bypass techniques and reports statistics, though the project is currently not working.

## Use cases
- detect how my ISP blocks websites
- check if DNS responses are being tampered with
- identify deep packet inspection filtering
- test DPI bypass techniques effectiveness
- check for SSL certificate substitution by ISP
- diagnose Russian registry website blocking type

## When to choose
- you need to identify the specific blocking mechanism used by a Russian ISP
- you want to test which DPI evasion techniques work on your connection

## When to avoid
- you need a currently working tool - the project is explicitly marked as not working
- you need censorship detection outside the Russian ISP context
- you want actively maintained software

## Facets
- artifact type: cli-tool
- maturity: abandoned
- function: security, networking, http-client, developer-tools
- domain: censorship-circumvention, networking, security
- platform: windows, python, cli
- tags: dpi-detection, dns-blocking, russia, isp-blocking, deep-packet-inspection, linux, macos

## Member repositories
- ValdikSS/blockcheck (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:36.054243+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:39:31.638479+00:00, confidence not recorded.
  - readme: https://github.com/ValdikSS/blockcheck (fetched 2026-08-28T04:04:36.054243+00:00, sha 73a801dfc2ad)
- Data as of 2026-08-30T08:39:29.467469+00:00.