# Invalidation After Updates or Deletions

**URL:** <https://www.ruby-forum.com/t/invalidation-after-updates-or-deletions/226805>\
**Category:** NGINX\
**Created:** [February 21, 2013, 4:59pm UTC](https://www.ruby-forum.com/t/invalidation-after-updates-or-deletions/226805 "2013-02-21T16:59:49Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SS\_SSSSS\_SSSSSSSS](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/ebca7d/32.png) [@SS\_SSSSS\_SSSSSSSS](https://www.ruby-forum.com/u/SS_SSSSS_SSSSSSSS)\
**Post date:** [February 21, 2013, 4:59pm UTC](https://www.ruby-forum.com/t/invalidation-after-updates-or-deletions/226805/1 "2013-02-21T16:59:49Z")

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Hello everyone,

Is there any way to configure nginx proxy cache invalidation on unsafe  
requests as it is supposed in RFC?

[http://www.ietf.org/rfc/rfc2616.txt](http://www.ietf.org/rfc/rfc2616.txt)

section 9.1.1  
section 13.10