Title: cURL error 56
Last modified: November 23, 2017

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# cURL error 56

 *  Resolved [bineshvidyan](https://wordpress.org/support/users/bineshvidyan/)
 * (@bineshvidyan)
 * [8 years, 5 months ago](https://wordpress.org/support/topic/curl-error-56-2/)
 * I am getting following error while smush the images.
 * Error posting to API: cURL error 56: Received HTTP code 503 from proxy after 
   CONNECT.

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Support [Laura – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support8/)
 * (@wpmudev-support8)
 * [8 years, 5 months ago](https://wordpress.org/support/topic/curl-error-56-2/#post-9718266)
 * Hey [@bineshvidyan](https://wordpress.org/support/users/bineshvidyan/),
 * Hope you’re well.
 * The error code seems like something going wrong on your server. Can you talk 
   to your hosting provider first? And please let me know their response to it?
 * Cheers,
    Oguz
 *  [jdailey](https://wordpress.org/support/users/jdailey/)
 * (@jdailey)
 * [8 years, 5 months ago](https://wordpress.org/support/topic/curl-error-56-2/#post-9744586)
 * Thank you for using Smush. I am going to close this topic for now. If after talking
   to your host this issue is not resolved let us know and we will reopen the thread.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘cURL error 56’ is closed to new replies.

 * ![](https://ps.w.org/wp-smushit/assets/icon-256x256.gif?rev=3447113)
 * [Smush – Image Optimization, Compression, Lazy Load, WebP & CDN](https://wordpress.org/plugins/wp-smushit/)
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 * 2 replies
 * 3 participants
 * Last reply from: [jdailey](https://wordpress.org/support/users/jdailey/)
 * Last activity: [8 years, 5 months ago](https://wordpress.org/support/topic/curl-error-56-2/#post-9744586)
 * Status: resolved