Title: cURL error 28
Last modified: October 7, 2019

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# cURL error 28

 *  Resolved [ajcke](https://wordpress.org/support/users/ajcke/)
 * (@ajcke)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/)
 * I’d like to use Jetpack for the first time. My theme recommends it. When I select
   the Setup Jetpack button I receive an error after several seconds.
 * cURL error 28: Operation timed out after 30000 milliseconds with 0 bytes received

Viewing 6 replies - 1 through 6 (of 6 total)

 *  Plugin Contributor [James Huff](https://wordpress.org/support/users/macmanx/)
 * (@macmanx)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12006758)
 * What is the URL of the site with the problem?
 *  Thread Starter [ajcke](https://wordpress.org/support/users/ajcke/)
 * (@ajcke)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12008898)
 * [http://hn.k12.oh.us](http://hn.k12.oh.us)
 * It’s a multisite/network install. I disabled all the plugins yesterday and still
   received the same error message.
 *  Plugin Support [darnelldibbles](https://wordpress.org/support/users/darnelldibbles/)
 * (@darnelldibbles)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12009390)
 * Hi there,
 * Thanks for sending along the error message you received. Part of that message“
   Operation timed out” usually happens with a hosting provider or firewall is blocking
   requests from WordPress.com. It also can indicate that your site is running slow.
   I checked here and it can be optimized to run faster:
 * [https://tools.pingdom.com/#5b6af630f2800000](https://tools.pingdom.com/#5b6af630f2800000)
 * Please check with your host to find out if WordPress.com or Jetpack are being
   blocked and if there is anything you can do to speed up your site. If you have
   a firewall in place, check your security logs there to for any references to 
   wordpress.com.
 * Let us know what you find, we’ll be watching for your reply.
 *  Thread Starter [ajcke](https://wordpress.org/support/users/ajcke/)
 * (@ajcke)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12009411)
 * You are probably correct with the firewall being the culprit. Is there a recommended
   exception list or whitelist to get Jetpack to work?
 *  Thread Starter [ajcke](https://wordpress.org/support/users/ajcke/)
 * (@ajcke)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12010024)
 * We are seeing successful connections to pixel.wp.com, api.wordpress.org, and 
   jetpack.com in the firewall. Nothing strange in the server logs.
 * Any other suggestions? You mentioned site speed and using Pingdom Tools. What
   should we tackle first that would be the most effective?
    -  This reply was modified 6 years, 10 months ago by [ajcke](https://wordpress.org/support/users/ajcke/).
    -  This reply was modified 6 years, 10 months ago by [ajcke](https://wordpress.org/support/users/ajcke/).
 *  Plugin Contributor [James Huff](https://wordpress.org/support/users/macmanx/)
 * (@macmanx)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12010642)
 * Try whitelisting these IP addresses:
 * 122.248.245.244
    54.217.201.243 54.232.116.4
 * and this range: 192.0.64.0/18
 * Please note that we are constantly adding new hardware to our network to keep
   up with demand on our services. This means that these IP addresses could change(
   or be added to) at any time, so we don’t encourage this for long-term use, but
   it will help to see if your firewall is at all to blame.

Viewing 6 replies - 1 through 6 (of 6 total)

The topic ‘cURL error 28’ is closed to new replies.

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 * 6 replies
 * 3 participants
 * Last reply from: [James Huff](https://wordpress.org/support/users/macmanx/)
 * Last activity: [6 years, 10 months ago](https://wordpress.org/support/topic/curl-error-28-27/#post-12010642)
 * Status: resolved