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FRITZ!Box 6820 LTE 48
Sharing: Making Computers Accessible from the Internet
Configuring Port Forwarding in the FRITZ!Box
IPv4:
Port sharing is configured in the “Internet / Permit
Access” menu, on the “Port Forwarding” page.
IPv6:
Enable the advanced view.
Port sharing is set up in the “Internet / Permit Ac-
cess” 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 entering
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 entering
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 fire-
wall com-
pletely)
IPv4:
Within IPv4 networks you can open the firewall com-
pletely for one computer. This computer is then no
longer protected by the FRITZ!Box firewall. If individ-
ual ports are already open for other computers, then
data packets for these ports are not forwarded to the
exposed host, but to the other computer instead.
IPv6:
Within IPv6 networks you can open the firewall com-
pletely for each computer. These computers are then
no longer protected by the FRITZ!Box firewall.
48


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AVM FRITZBox 6820 LTE Quick start guide - English - 60 pages

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