vishesh92 commented on PR #11654:
URL: https://github.com/apache/cloudstack/pull/11654#issuecomment-3306288741

   > @vishesh92 is it a good idea to add some validations to these userdata 
configs, to avoid any kind of security risks ?
   
   IMO, it would be difficult to do that. Technically the user data could be a 
script which fetches a binary (malicious) from internet and executes it on the 
system VM and we won't be able to validate this.
   But since the global settings are scoped at zone level, only the operators 
can set the user data.
   
   I have also added a new global setting, `systemvm.userdata.enabled`, which 
is set to `false` by default. Unless this is set to `true`, the other global 
settings are ignored.


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