[QGIS-Developer] QGIS Server - SSL handshake failed for cascading WMS

[Anne Blankert]

Hello List,

This question was already asked in Jan 2017, but no solution was posted.
http://osgeo-org.1560.x6.nabble.com/QGIS-Server-SSL-handshake-failed-for-
cascading-WMS-td5305094.html

The problem: if QGIS uses an HTTPS (SSL) WMS service, the WMS works nicely
in QGIS desktop. However, if you use the same .qgs project file on QGIS
Server, all requests to the HTTPS (SSL) WMS server result in an  SSL
handshake error.

This (still) happens on:
Ubuntu 16.04
QGIS server 2.18
An example WMS https server showing the problem is: https://geodata.
nationaalgeoregister.nl/bag/ows

A workaround could be to use the HTTP version of the WMS instead of the
HTTPS version. However, the capabilities of many HTTP services advertise
the HTTPS version for the GETMAP, GETFEATUREINFO and GETLEGENDGRAPHIC
endpoints.

The SSL problem also arises when trying to use WFS services over HTTPS from
QGIS Server.

Is this a known problem? Is there a workaround? Should I file a bug report?

Thanks,

Anne
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