# Force re-download of manifest before each fragment yt-dlp --force-keyframes-at-cuts --retry-sleep fragment:2 URL yt-dlp --retry-sleep http:5 --fragment-retries 10 URL 2. Rate limiting / anti-bot protection The server detects too many rapid fragment requests and blocks further access.
# Add delays between fragments yt-dlp --sleep-requests 2 --min-sleep-interval 5 --max-sleep-interval 10 URL yt-dlp --user-agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" --add-header "Accept-Language: en-US,en;q=0.9" URL 3. Missing or invalid cookies For sites requiring login (YouTube, Twitch, etc.), fragment requests may fail without authentication. yt-dlp http error 403: forbidden retrying fragment
yt-dlp -v URL 2>&1 | grep -i "403" Extract the failing fragment URL and try fetching it manually with curl using the same cookies/headers: # Force re-download of manifest before each fragment
# Skip the problematic fragment and continue yt-dlp --fragment-retries infinite --skip-unavailable-fragments URL Add verbose logging to see exact failing URL: Missing or invalid cookies For sites requiring login
Use a VPN or proxy consistent with the manifest’s geolocation. 5. Server-side fragment corruption The manifest points to a fragment that no longer exists or was not generated correctly.
# Export cookies from browser (e.g., using "Get cookies.txt" extension) yt-dlp --cookies cookies.txt URL yt-dlp --cookies-from-browser chrome URL 4. Geolocation / VPN issues Some servers return 403 if fragments are requested from an unexpected IP region.