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http://mail-index.netbsd.org/tech-userlevel/2016/05/18/msg009999.html and https://www.netbsd.org/~agc/bozo-20160517.diff add a patch to httpd to return the version string of httpd itself, and use the -G option on the command line to enable this. This gives httpd the ability to show, from the command line, what version is running. % /usr/build/obj/x86_64/usr/src/libexec/httpd/bozohttpd -G bozohttpd version bozohttpd/20160415 %