# Frame-ancestors directive issues

**URL:** <https://discourse.haproxy.org/t/frame-ancestors-directive-issues/3270>\
**Category:** Help!\
**Created:** [November 27, 2018, 7:33pm UTC](https://discourse.haproxy.org/t/frame-ancestors-directive-issues/3270 "2018-11-27T19:33:21Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![sam1](https://avatars.discourse-cdn.com/v4/letter/s/bc8723/32.png) [@sam1](https://discourse.haproxy.org/u/sam1)\
**Post date:** [November 27, 2018, 8:43pm UTC](https://discourse.haproxy.org/t/frame-ancestors-directive-issues/3270/3 "2018-11-27T20:43:18Z")

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Thank you for your quick response. However, haproxy does not start with that syntax. Error log says _ **’http-response set-header’ expects exactly 2 arguments"** _

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_[View the full topic](https://discourse.haproxy.org/t/frame-ancestors-directive-issues/3270)._