cURL Timeout to jetpack.wordpress.com Despite Working SSL and Outbound HTTPS

  • Resolved eddyallen91

    (@eddyallen91)


    1 year, 1 month ago

    Hello

    I’m experiencing persistent issues connecting Jetpack to WordPress.com from my site https://zulucow.co.uk.

    Despite extensive debugging and confirmation from my hosting provider (IONOS), Jetpack fails to complete the connection, returning:

    SSL Failed: WordPress reports no SSL support

    and

    Your server did not successfully connect to the Jetpack server using HTTP

    Troubleshooting Already Completed

    Server & Configuration

    • Site served over HTTPS with a valid SSL certificate (Let’s Encrypt)
    • is_ssl() now correctly returns true (verified via WP-CLI and Jetpack status)
    • wp-config.php includes:define(‘FORCE_SSL_ADMIN’, true);$_SERVER[‘HTTPS’] = ‘on’;$_SERVER[‘SERVER_PORT’] = 443;$_SERVER[‘REQUEST_SCHEME’] = ‘https’;

    Outbound HTTPS Works

    • I can successfully connect to https://jetpack.com using both:
      • WP-CLI (curl -I)
      • PHP test script from browser (curltest.php)

    Outbound to jetpack.wordpress.com Fails

    • Direct curl to https://jetpack.wordpress.com/jetpack.test hangs indefinitely when run from a browser-accessed PHP script
    • This mirrors Jetpack’s own test, which returns:cURL error 28: Connection timed out after 5001 milliseconds

    Hosting Provider (IONOS) Confirms No Restrictions

    • They have confirmed there are no firewall or outbound port restrictions from my VPS to the internet
    • No ModSecurity, WAF, or rate limits are interfering

    Troubleshooting Mode

    • I have enabled Jetpack Troubleshooting Mode and confirmed the issue persists with all other plugins disabled and the default theme active
    • This rules out any plugin or theme conflicts

    Key Symptoms

    • Jetpack Debugger at /wp-admin/admin.php?page=jetpack-debugger fails HTTP and HTTPS connectivity tests
    • WP-CLI shows:
      • is-https: https
      • ssl: (blank)
      • blog_id: 0
    • All jetpack status tests pass except the outbound connection and sync ones

    Request for Help

    Can someone from the Jetpack team confirm whether:

    • There are any known restrictions or blocks on traffic from my server IP?
    • The endpoint https://jetpack.wordpress.com/jetpack.test is available and accepting connections?
    • There’s anything further I can do to manually pair the site via tokens if the automatic process fails?

    Happy to provide full terminal output, curl logs, or a full diagnostic summary. Many thanks in advance for your help.

Viewing 2 replies - 1 through 2 (of 2 total)
  • Plugin Support lastsplash (a11n)

    (@lastsplash)

    1 year, 1 month ago

    Hi @eddyallen91 –

    This all sounds pretty frustrating. I appreciate your troubleshooting so far. We don’t have any blocking on your IP, so you wouldn’t be encountering issues there. Additionally, we can’t manually pair the tokens, so we’ll need to get this working.

    I made an adjustment on our end to how Jetpack attempts to communicate with your site. As a next step, please uninstall and reconnect Jetpack. That will cycle the connection and _might_ fix the issue.

    Let us know if you can connect after that.

    Plugin Contributor Stef (a11n)

    (@erania-pinnera)

    1 year, 1 month ago

    Hi there, @eddyallen91,

    Do you have updates about that, do you still need help? We usually close inactive threads after one week of no movement, but we want to make sure we’re all set before marking it as solved. Thanks!

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

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