[TYPO3-english] Update Extension List: Could not access remote resource

Jigal van Hemert jigal.van.hemert at typo3.org
Tue Apr 12 17:10:36 CEST 2016


On 08/04/2016 17:10, Bastian Holzem wrote:
> SSL certificate problem: unable to get local issuer certificate

To cut a long story short, a library used by TYPO3 (guzzle) used to come 
with its own root certificate file, but later versions dropped that to 
use the system file instead.
On Windows the curl library doesn't seem to be able to use the system 
certificates and fails to validate the certificate of the remote site.


Get your own copy of cacert.pem at
and save it at a handy location

Edit php.ini and set

; A default value for the CURLOPT_CAINFO option. This is required to be an
; absolute path.
curl.cainfo = [path_to]/cacert.pem

(replace [path_to] with the actual path to the file)

Restart Apache and now the file you downloaded is used for the root 
It may be necessary to get a fresh copy from time to time.

Jigal van Hemert
TYPO3 CMS Active Contributor

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