os-nginx 1.35_2 - Security Header Cannot be Saved

[wombat1983]

Describe New Security Header cannot be saved.

To Reproduce Steps to reproduce the behavior:

1. Go to "Service/ NGINX / Configuration / HTTPS / Security-Header
2. Click on "+" for create a Security Header
3. -> Canot be Save the Header

Expected behavior After Create of the Security Header Save as new tamplate - Savebutton ist not awayable

Environment OPNsense 25.7.5 (amd64). Intel® Celeron J4105

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