Articles on: Using Transistor

What should I safelist on our corporate firewall / VPN for Transistor's embeddable player?

If your organization uses a corporate firewall or VPN that restricts outbound traffic, you may need to safelist the following domains for Transistor's embeddable player and podcast media to work properly:

These domains serve podcast audio, player assets, and episode artwork. If your team is having trouble loading embedded players or streaming episodes behind a firewall, adding these to your allowlist should resolve the issue.

Please note: If you are using any 3rd party analytics prefixes with your Transistor podcast, you may encounter other URLs that need to be allowed before the embed player will work.

You may need to check with the support team of your analytics service (Podsights, Podcorn, Podtrac) to see if they recommend any URLs or IP addresses be allowed.

Always check what the purpose of the URL is before adding it to your allow/safe list.

Updated on: 09/04/2026

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