localhost以外からの接続 grant all privileges on databasename.* to root@'192.168.1.0/255.255.255.0' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

%2fをちゃんと理解させるには、AllowEncodedSlashes Onhttp://httpd.apache.org/docs/2.2/ja/mod/core.html#allowencodedslashes http://httpd.apache.org/docs/2.0/ja/mod/core.html#allowencodedslashes