[MapServer-users] MS4W 5.2.1 (final) released! *Security Release*
Jeff McKenna
jmckenna at gatewaygeomatics.com
Tue Oct 27 13:48:46 PDT 2026
I'm very proud to announce that MS4W 5.2.1 is available at https://ms4w.com
Important: you must be sure to run the file "/tmp/vc_redist.86.exe"
before installing Apache, if you are using the zip archive.
The history of changes is too long to paste here, so see it at
https://ms4w.com/HISTORY.html . Of course the recent PHP 8.4.27 release
is included, as well as some important security settings changed in the
php.ini file. You will notice security upgrades to many libraries.
Also, *pygeoapi OGC API server* is also included now in every MS4W base
install (!!)
**Critical**: this is a security release. All users must follow the
steps to secure your MS4W server installation, including by limiting
user access to ms4w.conf (see
https://ms4w.com/README_INSTALL.html#strongly-recommended-set-user-access-permissions-for-ms4w-conf
).
**security policy**: you can find MS4W's security policy at the root of
your MS4W 5.2.1 installation (SECURITY.txt) or online at
https://ms4w.com/SECURITY.html As shown by the many security upgrades
included in 5.2.1, I realize how important security is for your
production installation, and rest assured that I am working hard to
improve security in MS4W always.
Several add-on packages were also upgraded (GeoMoose, Mapbender, etc.)
and some enhancements to MS4W were made for those apps to run smoothly.
The setup.exe installer has been code signed for Windows security
approval (as well as mapserv.exe & httpd.exe).
The Migration Guide is very useful for commands to test locally and
notes to follow (I use this page to find commands constantly)
https://ms4w.com/trac/wiki/MigrationGuide5.x
The README has been also updated of course, with special notes for
enabling MapCache, pycsw, pygeoapi, Oracle plugins, GDAL/MapServer
plugins etc. at https://ms4w.com/README_INSTALL.html
Thank you to those who have reported and provided feedback directly in
the MS4W issue tracker, please continue to do so there (tip: I use this
exact query link all-day every-day to view the tickets:
https://ms4w.com/trac/report/1?sort=created&page=1&max=200 ). For
important releases such as this, those tickets are my lifeline (whereas
searching emails is impossible). Please file all of your feedback,
comments, and requests there, thank-you.
The MS4W dev server has also been updated, showcasing the MS4W apps at
https://ms4w.dev
Thanks again everyone, for using MS4W!
Happy MapServ-ing to all,
-jeff
--
Jeff McKenna
GatewayGeo: Developers of MS4W, & offering MapServer Consulting/Dev
co-founder of FOSS4G
http://gatewaygeo.com/
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