# Unable to access 6PN peers?

**URL:** <https://community.fly.io/t/unable-to-access-6pn-peers/21706>\
**Category:** Questions / Help\
**Tags:** login-only\
**Created:** [September 6, 2024, 7:12pm UTC](https://community.fly.io/t/unable-to-access-6pn-peers/21706 "2024-09-06T19:12:15Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![AstraLuma](https://sea1.discourse-cdn.com/fly1/user_avatar/community.fly.io/astraluma/32/39230_2.png) [@AstraLuma](https://community.fly.io/u/AstraLuma)\
**Post date:** [September 6, 2024, 7:12pm UTC](https://community.fly.io/t/unable-to-access-6pn-peers/21706/1 "2024-09-06T19:12:15Z")

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Ok, so I have an app listening on 5984, deployed to two machines (ord & bos). I’m able to access it via `localhost` on the machine, and I’m able to access it over flycast.

However, machines can’t seem to access other instances–`{mid}.vm.{app}.internal` resolves but is not connectable, `curl` reports every address is inaccessible with `curl -v http://{app}.internal:5984/`, and using the IP directly fails.

They have been paused and resumed a bunch?

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**Author:** ![mayailurus](https://sea1.discourse-cdn.com/fly1/user_avatar/community.fly.io/mayailurus/32/17593_2.png) [@mayailurus](https://community.fly.io/u/mayailurus)\
**Post date:** [September 6, 2024, 7:18pm UTC](https://community.fly.io/t/unable-to-access-6pn-peers/21706/2 "2024-09-06T19:18:23Z")

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This one sounds like you might be listening on IPv4 but not IPv6… What does `ss -tnlp` (or similar) show?

(The 6PN is strictly IPv6.)

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**Author:** ![khuezy](https://avatars.discourse-cdn.com/v4/letter/k/4da419/32.png) [@khuezy](https://community.fly.io/u/khuezy)\
**Post date:** [September 6, 2024, 7:19pm UTC](https://community.fly.io/t/unable-to-access-6pn-peers/21706/3 "2024-09-06T19:19:55Z")

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u have to use `.flycast` so the proxy can wake up your 😴 machines.

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**Author:** ![AstraLuma](https://sea1.discourse-cdn.com/fly1/user_avatar/community.fly.io/astraluma/32/39230_2.png) [@AstraLuma](https://community.fly.io/u/AstraLuma)\
**Post date:** [September 6, 2024, 7:21pm UTC](https://community.fly.io/t/unable-to-access-6pn-peers/21706/4 "2024-09-06T19:21:21Z")

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Yup, that’s it. It’s listening on `0.0.0.0` only.

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**Author:** ![system](https://global.discourse-cdn.com/fly1/original/3X/6/e/6e8955d00cb218e186ebbe3a6ab06fefdce15290.svg) [@system](https://community.fly.io/u/system)\
**Post date:** [September 13, 2024, 7:22pm UTC](https://community.fly.io/t/unable-to-access-6pn-peers/21706/5 "2024-09-13T19:22:01Z")

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Closed on September 13, 2024, 7:22pm UTC

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