I noticed once in the browser the error of opening a GoIP SMS crypt:
[authz_core:error] [pid 23415] [client 192.168.56.1:50388] AH01630: client denied by server configuration: /usr/local/goip/
As it turned out, the script was supposed to work in apache2 version 2.2 and in the file /etc/apache2/conf-enabled/goip.conf the following parameters were specified:
Order allow,deny Allow from all
And in my case, an apache2 version of the newer 2.4 was installed, in which access control is configured a little differently, and to fix the error, change the above parameters to:
Require all granted
Or to restrict access to IP by resolving locally and to specified addresses:
Require local Require ip 192.168.56.1 192.168.22.10
And restart apache2 to apply the changes:
sudo service apache2 restart
See also:
Access Control Apache2