Infrastructure

# As a condition of accessing this website, you agree to abide by the following
# content signals:

# (a)  If a Content-Signal = yes, you may collect content for the corresponding
#      use.
# (b)  If a Content-Signal = no, you may not collect content for the
#      corresponding use.
# (c)  If the website operator does not include a Content-Signal for a
#      corresponding use, the website operator neither grants nor restricts
#      permission via Content-Signal with respect to the corresponding use.

# The content signals and their meanings are:

# search:   building a search index and providing search results (e.g., returning
#           hyperlinks and short excerpts from your website's contents). Search does not
#           include providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models (e.g., retrieval
#           augmented generation, grounding, or other real-time taking of content for
#           generative AI search answers).
# ai-train: training or fine-tuning AI models.

# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS RESERVATIONS OF
# RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT
# AND RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.

# BEGIN Cloudflare Managed content

User-agent: *
Content-Signal: search=yes,ai-train=no
Allow: /

User-agent: Amazonbot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: CloudflareBrowserRenderingCrawler
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: meta-externalagent
Disallow: /

# END Cloudflare Managed Content

User-agent: *
Disallow: /index.php*
Disallow: *.ics
Disallow: /event/calendar/*
Disallow: /svg/private/
Disallow: /svg/not-indexed/
Disallow: /img/private/
Disallow: /img/not-indexed/
Disallow: /build/assets/img/not-indexed/
Disallow: /img/logo/3rdpartylogos/
Disallow: /img/*.doc$
Disallow: /img/*.docx$
Disallow: /img/*.pdf$
Disallow: /uploads/
Disallow: /vendor/
Disallow: /tv/course_videos/
Disallow: /media/video/*/transcript/
Disallow: /pdf/
Disallow: /shell/
Disallow: /static/
Disallow: /cgi-bin/
Disallow: /faq?search=
Disallow: /faq?*&search=
Crawl-delay: 1

Sitemap: https://ixdf.org/sitemap.xml

User-agent: AhrefsBot
User-agent: SiteSucker
User-agent: HTTrack
Disallow: /