Title: Error 520
Last modified: July 16, 2024

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# Error 520

 *  Resolved [vilayati](https://wordpress.org/support/users/vilayati/)
 * (@vilayati)
 * [1 year, 11 months ago](https://wordpress.org/support/topic/error-520-5/)
 * Due to incorrect font deactivation, my site crashed earlier.
 * Though Domain Key is valid, I get error 520.
 * How do I get the CDN working again?
 * Thanks
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferror-520-5%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/)
 * (@qtwrk)
 * [1 year, 11 months ago](https://wordpress.org/support/topic/error-520-5/#post-17894799)
 * 520 error usually means the CDN node can not connect to the origin server, please
   check your server security settings and make sure our IPs are whitelisted in 
   security measures.

Viewing 1 replies (of 1 total)

The topic ‘Error 520’ is closed to new replies.

 * ![](https://ps.w.org/litespeed-cache/assets/icon-256x256.png?rev=2554181)
 * [LiteSpeed Cache](https://wordpress.org/plugins/litespeed-cache/)
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 * 1 reply
 * 2 participants
 * Last reply from: [qtwrk](https://wordpress.org/support/users/qtwrk/)
 * Last activity: [1 year, 11 months ago](https://wordpress.org/support/topic/error-520-5/#post-17894799)
 * Status: resolved