[Plugin: WordPress MU Domain Mapping] SSL with mapped domain (4 posts)

  1. Scott McMillan
    Posted 6 years ago #

    Is it possible to assign a SSL certificate to one of the mapped domains? Not a apache SSL expert so don't know if it is possible?


  2. Donncha O Caoimh
    Posted 6 years ago #

    Not sure, but probably not. I think you'd need a separate IP address for each mapped domain because of the way SSL works.

  3. roguegeer
    Posted 6 years ago #

    it IS possible but not be default.

    Just to be clear - it has nothing to do with how SSL works (see the RFC specs), but rather that Apache's default implementation of mod_ssl does not implement SNI (server name identification), which is required to allow multiple SSL cert's via name-based virtual hosting.
    (btw - highly doubt you could get this scenario to work with IIS. No clue re:nginx, lighttpd - though likely if you can compile the modules correctly.)

    basically: use mod_gnutls, which includes SNI, or there is an SNI enabled mod_ssl project if you prefer.

    see these ref's:




    see comments in first item. may want to play with gnutls cache timeout to help reduce load spikes.

  4. andrej1c
    Posted 6 years ago #

    Outside of using mod_gnutls as @roguegeer proposed... suppose the domain-to-be-mapped is already set up on the same server in a stand-alone WP, correctly configured with SSL on a dedicated IP address. One could create a symbolic link pointing at the WordPress MU root folder. The issue @skinnydog will run into is that the domain mapping plugin (which I love) assumes (in admin screens and database) that all domains mapped are http. So FOR NOW, the answer is no.

    I hope this helps

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