HPlogo Configuring and Managing MPE/iX Internet Services > Chapter 10 HP WebWise MPE/iX Secure Web Server

Compatibility With Apache for MPE/iX

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HP WebWise MPE/iX Secure Web Server installs in a different HFS directory tree than Apache, and so will not overlay your existing Apache environment in any way. If you want to run both HP WebWise MPE/iX Secure Web Server and Apache at the same time on the same machine, make sure you configure HP WebWise MPE/iX Secure Web Server to use different TCP listening ports than Apache.

HP WebWise MPE/iX Secure Web Server is based on Apache 1.3.9, whereas Apache for MPE/iX 6.0 and 6.5 is based on Apache 1.3.4. All Apache functionality should be compatible with HP WebWise MPE/iX Secure Web Server, but there may be some non-SSL, non-X.509 functionality in HP WebWise MPE/iX Secure Web Server that is not backward compatible with Apache for MPE/iX.

The HP WebWise MPE/iX Secure Web Server JHTTPDS job specifies a umask of 007 so that log files are created with secure file permissions, whereas the Apache JHTTPD job uses a default umask of 000. Apache CGI applications which rely on the default umask of 000 for creating world-readable files may have trouble on HP WebWise MPE/iX Secure Web Server because the new umask of 007 forbids any kind of world access. Instead of relying on a customer-changeable attribute like the umask, these CGI applications should be rewritten to explicitly specify the desired umask and file permissions at file creation time. If specifying umask and permissions at creation time isn't a viable option, an alternative would be to use chmod after the file has been created, but this leaves a small window between creation and chmod where the permissions will be determined by the JHTTPDS umask.




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