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Use Postman behind a firewall

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Postman’s infrastructure runs on Amazon’s AWS platform. If you’re operating behind a network firewall, you’ll need to allowlist certain domains. These allowlist requirements also apply to the Postman CLI. There is no fixed IP range to allowlist for Postman. If allowlisting the domains specified in this section is insufficient, refer to the current AWS IP ranges and allowlist the broad range provided.

To enable users to sign in to Postman with a password, allowlist the challenges.cloudflare.com domain.

For the Postman VS Code extension, allowlist the following domains:

  • wss://bifrost-extension-global.gw.postman.com
  • https://bifrost-extension-https-global.gw.postman.com

By default, WebSocket connections use the same ports as HTTP (80) and HTTPS (443). Allowlist the following domains for all versions of Postman to make WebSocket connections:

  • *.getpostman.com
  • *.postman.co
  • *.pstmn.io
  • *.postman.com
Note

If you’re running Postman v10 or later, you must allowlist a further set of domains in addition to the domains listed so far.

For the Postman web app v10 and later to make WebSocket connections, allowlist the following domains:

  • https://bifrost-web-polling-v4.gw.postman.co
  • https://bifrost-web-premium.gw.postman.co
  • https://bifrost-web-premium.gw.postman.com
  • https://bifrost-web-public-v10.gw.postman.com
  • https://bifrost-web-public-v4.gw.postman.com
  • https://bifrost-web-v10.gw.postman.co
  • https://bifrost-web-v10.gw.postman.com
  • https://bifrost-web-v4.gw.postman.co
  • https://bifrost-web-v4.gw.postman.com

For the Postman desktop app v10 and later to make WebSocket connections, allowlist the following domains:

  • https://bifrost-desktop-polling-v4.getpostman.com
  • https://bifrost-premium-v10-global.gw.postman.com
  • https://bifrost-premium-v4-global.gw.postman.com
  • https://bifrost-v10-global.gw.postman.com
  • https://bifrost-v4-global.gw.postman.com

For the Postman desktop app v10 and later to make HTTP connections, allowlist the following domains:

  • https://bifrost-https-v10.gw.postman.com
  • https://bifrost-https-v4.gw.postman.com
  • https://bifrost-premium-https-v10.gw.postman.com
  • https://bifrost-premium-https-v4.gw.postman.com