# Big Questions about the Nostr Relay Umbrel App

**URL:** <https://community.umbrel.com/t/big-questions-about-the-nostr-relay-umbrel-app/11443>\
**Category:** General Discussion\
**Created:** [February 12, 2023, 2:51am UTC](https://community.umbrel.com/t/big-questions-about-the-nostr-relay-umbrel-app/11443 "2023-02-12T02:51:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![fixthemoney](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.umbrel.com/fixthemoney/32/1572_2.png) [@fixthemoney](https://community.umbrel.com/u/fixthemoney)\
**Post date:** [February 12, 2023, 2:51am UTC](https://community.umbrel.com/t/big-questions-about-the-nostr-relay-umbrel-app/11443/1 "2023-02-12T02:51:41Z")

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The Nostr Umbrel App is a fantastic idea, but it brings up a few questions that would be great to clear up before running the relay.

It seems like the app gives you a local address with port number and your Umbrel relay will backup when you are on your local network. (I connect over Tor, so my address is a Tor address with empty port settings). A few security/privacy questions:

ws://umbrel.local:4848 is the address in the promo video

1. Is that local address the same across all umbrels?

2. If a friend comes over who is also backing up to their umbrel what will stop their info from backing up to my relay when at the house?

3. Is there a setting to specify which public keys I’d like backed up?

ws:// is not encrypted as far as I understand it. Would love to see wss:// for encrypted connection. Certificate issues, I know. With that said:

1. Can this work over TOR with Damus?

That would solve the encryption issue I think and forgo the need to be on the local network to sync.

Anyone that adds the relay though would be able to write to it, unless there were a way to specify which public keys can write.

Love to see the quick action adding the relay, just want to get those things cleared up. If with a lot more knowledge than I have can help out, that would be much appreciated. Thanks!

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**Author:** ![thatdudeluke](https://avatars.discourse-cdn.com/v4/letter/t/a9adbd/32.png) [@thatdudeluke](https://community.umbrel.com/u/thatdudeluke)\
**Post date:** [June 8, 2024, 8:38pm UTC](https://community.umbrel.com/t/big-questions-about-the-nostr-relay-umbrel-app/11443/2 "2024-06-08T20:38:17Z")

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I used tailscale and just use the Tailscale address on Damus