darkhttpd

When you need a web server in a hurry

Features: Simple to set up: Single binary, no other files, no installation needed. Standalone, doesn't need inetd or ucspi-tcp. No messing around with config files - all you have to specify is the www root. Written in C - efficient and portable. Small memory footprint. Event loop, single threaded - no fork() or pthreads. Generates directory listings. Supports HTTP GET and HEAD requests. Supports Range / partial content. (try streaming music files or resuming a download) Supports If-Modified-Since. Supports Keep-Alive connections. Supports IPv6. Can serve 301 redirects based on Host header. Uses sendfile() on FreeBSD, Solaris and Linux. Can use acceptfilter on FreeBSD. At some point worked on FreeBSD, Linux, OpenBSD, Solaris. ISC license. suckless.org says darkhttpd sucks less. Small Docker image (<100KB) Security: Can log accesses, including Referer and User-Agent. Can chroot. Can drop privileges. Impervious to /../ sniffing. Times out idle connections. Drops overly long requests. Limitations: Only serves static content - no CGI.