403 forbidden, first install

root@raspberrypi:/# curl -sSL https://install.pi-hole.net | bash
:::
::: You are root.
::: Verifying free disk space...
:::
::: Updating local cache of available packages... done!
:::
::: Checking apt-get for upgraded packages.... done!
:::
::: Your system is up to date! Continuing with Pi-hole installation...
::: Checking for apt-utils... installed!
::: Checking for debconf... installed!
::: Checking for dhcpcd5... installed!
::: Checking for git... installed!
::: Checking for iproute2... installed!
::: Checking for whiptail... installed!
:::
::: Stopping dnsmasq service... done.
:::
::: Stopping lighttpd service... done.
::: Using OpenDNS servers.
::: Static IP already configured
::: IPv4 address: 192.168.1.111/24
::: IPv6 address:
::: Web Interface On.
::: Logging On.
:::
::: Checking for existing repository...
::: Updating repo in /etc/.pihole... done!
done!
:::
::: Checking for existing repository...
::: Updating repo in /var/www/html/admin... done!
done!
::: Checking for bc... installed!
::: Checking for cron... installed!
::: Checking for curl... installed!
::: Checking for dnsmasq... installed!
::: Checking for dnsutils... installed!
::: Checking for iputils-ping... installed!
::: Checking for lsof... installed!
::: Checking for netcat... installed!
::: Checking for sudo... installed!
::: Checking for unzip... installed!
::: Checking for wget... installed!
::: Checking for lighttpd... installed!
::: Checking for php5-common... added to install list!
::: Checking for php5-cgi... added to install list!
root@raspberrypi:/#