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Is VPN supported?

Yes. Your CI environment can use a VPN when it connects to Chromatic.

If GitHub Enterprise Server or self-managed GitLab is on a private network, link it through a public HTTPS proxy and allow Chromatic’s outbound IP addresses through your firewall.

If your firewall or proxy restricts connections from your CI environment, follow our firewall allowlist guidance.

Your CI environment connects to Chromatic over port 443.