How do I configure a firewall for WeTransfer?

Firewalls help protect your network by deciding what traffic gets in or out. To keep WeTransfer and all its features working smoothly, make sure the domains and hostnames below are on your firewall's allowlist. Check your firewall's setup guide for the exact steps.

Protocols and ports

WeTransfer uses HTTPS (port 443) for secure communication and the QUIC protocol for faster, more efficient transfers. QUIC is the transport layer for HTTP/3 and runs over UDP — your firewall should allow both TCP traffic on port 443 and UDP traffic on port 443.

Core WeTransfer domains

  • wetransfer.com
  • www.wetransfer.com
  • analytics-v2.wetransfer.com
  • cdn.wetransfer.com
  • donny.wetransfer.com
  • experiments.wetransfer.com
  • help.wetransfer.com
  • lebowski.wetransfer.com
  • privacy.wetransfer.com
  • snowplow.wetransfer.com
  • tagging.wetransfer.com
  • auth.wetransfer.com
  • portals.wetransfer.com

WeTransfer.net domains

  • wetransfer.net
  • backgrounds.wetransfer.net
  • bsp-proxy.wetransfer.net
  • ekstrom.wetransfer.net
  • helios-assets.wetransfer.net
  • nolan.wetransfer.net
  • spaceship.wetransfer.net
  • storm.wetransfer.net
  • tempest.wetransfer.net

Short links

  • we.tl

Amazon S3 storage

  • wt-prod-euwest1-storm.s3.amazonaws.com
  • wt-prod-euwest1-storm.s3-accelerate.amazonaws.com
  • wt-prod-euwest1-storm.s3.eu-west-1.amazonaws.com
  • wt-prod-useast1-storm.s3.amazonaws.com
  • wt-prod-useast1-storm.s3-accelerate.amazonaws.com
  • wt-prod-useast1-storm.s3.us-east-1.amazonaws.com
  • s3.amazonaws.com
  • s3.eu-west-1.amazonaws.com
  • s3.us-east-1.amazonaws.com
  • s3-accelerate.amazonaws.com

Observability and monitoring

  • datadoghq-browser-agent.com
  • browser-intake-datadoghq.com
  • public-api.datadoghq.com
  • sentry.io
  • ingest.sentry.io

Background images

  • images.unsplash.com
  • source.unsplash.com

Analytics and advertising

  • google-analytics.com
  • googletagmanager.com
  • www.googletagmanager.com
  • adservice.google.com
  • doubleclick.net
  • bat.bing.com
  • connect.facebook.net
  • analytics.twitter.com
  • ads-twitter.com
  • public.profitwell.com
  • cdn.jsdelivr.net
  • cdn.cookielaw.org
  • geolocation.onetrust.com
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