# Node-red-contrib-letsencrypt

**URL:** <https://discourse.nodered.org/t/node-red-contrib-letsencrypt/88424>\
**Category:** General\
**Tags:** security\
**Created:** [31 May 2024 22:48 UTC](https://discourse.nodered.org/t/node-red-contrib-letsencrypt/88424 "2024-05-31T22:48:33Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![jbudd](https://avatars.discourse-cdn.com/v4/letter/j/5f8ce5/32.png) [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Post date:** [1 June 2024 13:02 UTC](https://discourse.nodered.org/t/node-red-contrib-letsencrypt/88424/16 "2024-06-01T13:02:56Z")

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> [@BartButenaers](#):
>
> _Zerotier_: ... lacked some of the basic stuff that you need for Node-RED

Can you expand on that Bart? What is missing from Zerotier for your use?  
I have both Zerotier and Tailscale accounts, I think I use Zerotier just because of it's simplicity.

> [@Steve-Mcl](#):
>
> consider disabling exec node ... etc.

I know this is covered in "etc" but it might be worth mentioning again that there are other ways than the exec node to execute OS commands.  
eg there was a [recent thread](https://discourse.nodered.org/t/exec-command-using-function-node-in-nodered/73612) about executing OS commands from a function node.

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