ISS above website
However not having access to rasp-config setting and no GUI to update I used my phone with SSH juice (lots of similar apps available) to update and make the connections a bit safer as follows.
Your IP address will be shown on the screen a few seconds after starting ISS above.
sudo apt-get update
Updates your raspberry Pi.
sudo apt-get dist-upgrade
Upgrades your Pi and installs security patches.
sudo apt-get install ufw
installs UFW (uncomplicated fire wall) .
$ sudo ufw default allow
This sets the default policy to allow, this will allow your connection from any port to your Raspberry Pi after your firewall is enabled.
$ sudo ufw enable
Starts the firewall.
$ sudo ufw allow 22/tcp
Allows incoming TCP connections to port 22 (for SSH).
$ sudo ufw allow 80/tcp
Allows incoming TCP connections to port 80 to access settings via a browser.
$ sudo ufw default deny
This changes the default policy to leave only used ports open.
Change the default "raspberry" password to something less obvious.
$ sudo reboot
reboots your Pi.