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micro_httpd(8) FreeBSD System Manager's Manual micro_httpd(8)

micro_httpd - really small HTTP server

micro_httpd directory

micro_httpd is a very small HTTP server. It runs from inetd, which means its performance is poor. But for low-traffic sites, it's quite adequate. It implements all the basic features of an HTTP server, including:
Security against ".." filename snooping.
The common MIME types.
Trailing-slash redirection.
Directory listings.
All in 150 lines of code.
To install it, add a line like this to /etc/inetd.conf:
    micro_http  stream tcp nowait nobody  /usr/local/sbin/micro_httpd micro_httpd dir
Make sure the path to the executable is correct, and change "dir" to be the directory you want to serve. Then add a line like this to /etc/services:
    micro_http   port/tcp   #Micro HTTP server
Change "port" to the port number you want to use - 80, 8000, whatever. Then restart inetd by sending it a "HUP" signal, or rebooting.
On some systems, inetd has a maximum spawn rate - if you try to run inetd services faster than a certain number of times per minute, it assumed there's either a bug of an attack going on and it shuts down for a few minutes. If you run into this problem - look for syslog messages about too-rapid looping - you'll need to find out how to increase the limit. Unfortunately this varies from OS to OS. On FreeBSD, you add a "-R 10000" flag to inetd's initial command line. On some Linux systems, you can set the limit on a per-service basis in inetd.conf, by changing "nowait" to "nowait.10000".
Note that you can use micro_httpd to serve HTTPS, if you like, by running it from stunnel. First fetch and install stunnel - FreeBSD users can just go to /usr/ports/security/stunnel and do a "make cert ; make install". Then as root run:
    stunnel -p /usr/local/certs/stunnel.pem -d 443 	-l /usr/local/sbin/micro_httpd -- 	micro_httpd dir
Make sure the paths to the certificate and executable are correct, and again don't forget to change "dir" to the directory you want to serve.

Copyright © 1999 by Jef Poskanzer <>. All rights reserved.
15 March 1999

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