Operating Instructions and Installation Instructions

Port Forwarding: Making Computers Accessible from the Internet
FRITZ!Box 6810 LTE 47
Setting Up Port Forwarding in the FRITZ!Box
• IPv4: Port forwarding for IPv4 is set up in the “Internet /
Permit Access” menu, on the “Port Forwarding” page.
• IPv6: Enable the advanced view. Port forwarding for IPv6
is also set up in the “Internet / Permit Access” menu, on
the “IPv6” page.
TCP
UDP
IPv4:
Within IPv4 networks you can open the FRITZ!Box
firewall for the protocols TCP and UDP when en-
tering the port range. One port can be opened for
exactly one computer.
IPv6:
Within IPv6 networks you can open the FRITZ!Box
firewall for the protocols TCP and UDP when en-
tering the port range. One port can be opened for
each computer in the network.
ESP
GRE
IPv4:
Within IPv4 networks you can open the firewall
for the two protocols ESP and GRE which do not
use ports.
Exposed Host
(Open firewall
completely)
IPv4:
Within IPv4 networks you can open the firewall
for one computer completely. This computer is
then no longer protected by the FRITZ!Box fire-
wall. If individual ports are already open for other
computers, then data packets for these ports are
not forwarded to the exposed host but to the oth-
er computer instead.
IPv6:
Within IPv6 networks you can open the firewall
for each computer completely. These computers
are then no longer protected by the FRITZ!Box
firewall.