curl error 28 while downloading https://repo.packagist.org/packages.json: Connection timeout after 10004 ms

Question

I'm trying to create a new Laravel project using Composer:

> composer create-project laravel/laravel example-app

However, I get the following error:

In CurlDownloader.php line 377: curl error 28 while downloading https://repo.packagist.org/packages.json: Connection timeout after 10004 ms

Answer 1

Just Disable IPv6 and apply Open DNS it's working fine.

Step#1: In order to disable IPv6 in Windows follow the bellow explanation:

1.Use the shortcut, Windows Key + X to open the Control Panel.
2.Open Network and Internet.
3.Open Network and Sharing Center.
4.Click Change Adapter Settings.
5.Right-click your connection and go to Properties.
6.(Finally) Uncheck the box next to Internet Protocol Version 6 (TCP/IPv6) to disable it.

Step#2: And for Open DNS see this screenshot.

(Done) that's it.

for more information please visit this link: https://networking.grok.lsu.edu/Article.aspx?articleid=17573

Answer 2

run composer config -g repo.packagist composer https://packagist.org

resource = laracasts

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if not worked, turn 'on' or 'off' VPN.

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and if still the problem not resolved check this page and changing your DNS. it was me worked!

https://github.com/composer/composer/issues/9376#issuecomment-718921358