Security and privacy

1Password ports and domains

Learn which ports and domains 1Password uses, so you can make sure they’re accessible.

To use 1Password behind a firewall, add port 443 and the following domains to your whitelist:

Accounts on Accounts on Accounts on
* * *
* * *
* *

Outbound connections

1Password makes outbound connections to the following domains for the purposes described:

* / .ca / .eu

Provides user content (attachments, documents, avatars) for 1Password accounts.

* / .ca / .eu

Various subdomains on these domains are used for providing the service.

Determines if an update is available for 1Password apps and provides download URLs for the update based on current 1Password build version and beta status.

Serves as a download point for 1Password application updates.

Provides the Watchtower database and serves as a download point for 1Password application updates.

When enabled, the Vulnerable Passwords feature of Watchtower checks partial hashes of passwords against Have I Been Pwned using this domain. Learn more about Watchtower privacy.

Learn more