""ET POLICY check.torproject.org IP lookup/Tor Usage check over HTTP""

SID: 2017927

Revision: 2

Class Type: policy-violation

Metadata: created_at 2014_01_04, updated_at 2014_01_04

Reference:

  • md5

  • e87f0db605517e851d571af2e78c5966

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "check.torproject.org"

Within:

PCRE: "/^Host\x3a\s*?check.torproject.org(?:\x3a\d{1,5})?\r?$/Hmi"

Special Options:

  • nocase

  • http_header

source