install†

apache†

apache (RPM のものは挙動がおかしいのでソースから入れる)

config†

mkdir /usr/local/apache2/var
touch /usr/local/apache2/var/DAVLock
chown -R nobody.nobody /usr/local/apache2/var
mkdir /var/www/html/share 
chown nobody.nobody /var/www/html/share 

password†

cd /usr/local/apache2/conf/
../bin/htpasswd -c .davpass 【username】

httpd.conf†

emacs /usr/local/apache2/conf/httpd.conf

Alias /share "/var/www/html/share"
DAVLockDB  /usr/local/apache2/var/DAVLock
<Location /share>
         Options Indexes
         Order Deny,Allow
         Deny from ALL
         Allow from 192.168.0.1/255.255.255.0
         AuthType Basic
         AuthName "Webdav Share"
         AuthUserFile /usr/local/apache2/conf/.davpass
         Require valid-user
         Dav on
</Location>

参考
http://www.atmarkit.co.jp/flinux/special/webdav03/webdav01a.html
http://www.aconus.com/~oyaji/www/apache_win_dav.htm