# Port forwarding?

**URL:** https://meta.discourse.org/t/port-forwarding/140193
**Category:** Support
**Created:** [January 30, 2020, 6:09pm UTC](https://meta.discourse.org/t/port-forwarding/140193 "2020-01-30T18:09:00Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![brononius](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/brononius/32/120446_2.png) [@brononius](https://meta.discourse.org/u/brononius)
#### Post date: [January 30, 2020, 6:09pm UTC](https://meta.discourse.org/t/port-forwarding/140193/1 "2020-01-30T18:09:00Z")

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I’m using following setup, which ran for about 2 year without issues.

1. Virtual machine, dedicated for default docker/discourse installation.
2. My firewall forwards port 17601 towards 80 for external use.

Today, I’ve update to 2.4.0.beta10.  
Now, it still works from internall ([http://hostname.localdomain](http://hostname.localdomain)), but from the outside world ([http://publicIP:17601](http://publicIP:17601)), I’m getting a blank page?

When I look at the source for this blank page, I see all data?  
So it’s working partially, but somewhere I’m getting an (layout?) issue.

Any advice/tips?

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### Author: ![itsbhanusharma](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/itsbhanusharma/32/180717_2.png) [@itsbhanusharma](https://meta.discourse.org/u/itsbhanusharma)
#### Post date: [January 30, 2020, 6:12pm UTC](https://meta.discourse.org/t/port-forwarding/140193/2 "2020-01-30T18:12:56Z")

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Do you see any errors in the browser console? It could be related to CSP.

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### Author: ![brononius](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/brononius/32/120446_2.png) [@brononius](https://meta.discourse.org/u/brononius)
#### Post date: [January 30, 2020, 6:20pm UTC](https://meta.discourse.org/t/port-forwarding/140193/3 "2020-01-30T18:20:07Z")

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Indeed. When I disable this, it seems to work. 👍

The same is for local use. I noticed that it was working with the hostname ([http://hostname](http://hostname)), but not with the IP ([http://localip](http://localip)). After disabling CSP, it works with IP as well.

Guess I’ll need to read a bit more about this Content-Security-Policy. 😊

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### Author: ![system](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/system/32/443519_2.png) [@system](https://meta.discourse.org/u/system)
#### Post date: [February 29, 2020, 6:32pm UTC](https://meta.discourse.org/t/port-forwarding/140193/4 "2020-02-29T18:32:08Z")

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