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Page 86 / 197 Scroll up to view Page 81 - 85
FRITZ!Box 7490
86
Port Forwarding: Making Computers Accessible from the Internet
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.
Determining the IPv4 Address for Accessing the FRITZ!Box
If you have enabled ports for forwarding in the FRITZ!Box, oth-
er Internet users can access your computers at the IP address
assigned to your FRITZ!Box by the Internet service provider.
This is a public IPv4 address.
Here is how to determine the public IPv4 address of the
FRITZ!Box:
1.
Open any Internet page in order to establish an Internet
connection.
2.
Open the FRITZ!Box user interface and enable the ad-
vanced view in the user interface.
3.
The FRITZ!Box’s public IPv4 address is displayed on the
“Overview” page in the “Connections” area.
Exposed host
(Open firewall
completely)
IPv4:
Within IPv4 networks you can open the firewall
completely for one computer. 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
other computer instead.
IPv6:
Within IPv6 networks you can open the firewall
completely for each computer. These computers
are then no longer protected by the FRITZ!Box
firewall.
Page 87 / 197
Port Forwarding: Making Computers Accessible from the Internet
FRITZ!Box 7490
87
Can Always Be Reached, Even When the IP Address Changes
Every time the Internet connection is interrupted, the Internet
service provider re-assigns the IP address. The IP address
may change in the process. Therefore it is a good idea to use
MyFRITZ! or dynamic DNS so that the IP address can always
be reached under the same name. For more information
about MyFRITZ!, see the chapter
MyFRITZ!: Accessing the
FRITZ!Box from Anywhere
on
page 70
. For more information
about dynamic DNS, see the section
Dynamic DNS: Name
instead of IP Address
on
page 88
.
Page 88 / 197
FRITZ!Box 7490
88
Dynamic DNS: Name instead of IP Address
14.3
Dynamic DNS: Name instead of IP Address
Dynamic DNS is an Internet service that makes it possible for
the FRITZ!Box to remain accessible from the Internet at all
times under a fixed name, even though the public IP address
changes.
Dynamic DNS can be used as an alternative to MyFRITZ!. Both
services can be used in parallel.
You must register with a dynamic DNS provider to use this
service. When you register, you agree on the fixed name (do-
main name) at which your FRITZ!Box should be accessible
from the Internet. You also define a user name and password.
Every time the IP address changes, the FRITZ!Box transmits
the new IP address to the dynamic DNS provider in the form of
an update request. Then the domain name is assigned to the
current IP address by the dynamic DNS provider.
Configuring Dynamic DNS in the FRITZ!Box
1.
Open the FRITZ!Box user interface, see
page 32
.
2.
Enable the advanced view.
3.
Select the “Internet / Permit Access” menu.
4.
Select the “Dynamic DNS” page and set up dynamic
DNS. See the Help available in the FRITZ!Box user inter-
face for more information.
14.4
Access from the Internet via HTTPS, FTP and FTPS
Over the Internet it is possible to access the user interface of
the FRITZ!Box. With a laptop, smartphone or tablet PC you can
configure settings in the FRITZ!Box user interface.
Requirements for Access over the Internet
•
Access to the user interface: Every user who would like
to access the FRITZ!Box externally from the Internet re-
quires a FRITZ!Box user account which is allowed to ac-
cess it from the Internet.
Page 89 / 197
Access from the Internet via HTTPS, FTP and FTPS
FRITZ!Box 7490
89
•
Access to storage: Every user who would like to access
the storage of the FRITZ!Box externally from the Internet
requires a FRITZ!Box user account with the right to ac-
cess from the Internet access to the contents on the stor-
age media.
•
The protocols for the desired access must be enabled in
the FRITZ!Box.
HTTPS, FTP and FTPS
The protocols HTTPS, FTP and FTPS are used for access over
the Internet.
•
HTTPS (Hypertext Transfer Protocol Secure)
HTTPS is an Internet protocol for bug-proof communica-
tion between the web server and the browser in the
World Wide Web.
Enable this protocol to allow access to the FRITZ!Box
from the Internet.
•
FTP (File Transfer Protocol)
FTP is a network protocol for transmitting files in IP net-
works.
Enable this protocol to allow access by FTP to the
FRITZ!Box storage media from the Internet.
•
FTPS (FTP over SSL)
FTPS is a method for encrypting the FTP protocol.
Enable this protocol to secure transmission over FTP.
Enabling HTTPS, FTP and FTPS in the FRITZ!Box
1.
Open the FRITZ!Box user interface, see
page 32
.
2.
Enable the advanced view.
3.
Select the “Internet / Permit Access” menu.
4.
Select the “FRITZ!Box Services” page and enable the
protocols you need. See also the Help the user interface.
Page 90 / 197
FRITZ!Box 7490
90
Prioritization: Right of Way for Internet Access
14.5
Prioritization: Right of Way for Internet Access
Prioritization is a function you can use to specify that network
applications and network devices be treated with higher or
lower priority when they access the Internet connection. For
example, you may wish to ensure that applications like Inter-
net telephony, IPTV and video on demand are always treated
with higher priority than other applications. You can also
specify that file sharing applications like eMule and BitTor-
rent always have to wait behind online games.
Categories for Prioritization
There are three categories for prioritization: “Real-time appli-
cations”, “Prioritized applications” and “Background appli-
cations”.
Network applications and network devices are assigned to
the categories using rules.
Real-time Applications
This category is suitable for applications with high demands
on transmission speed and reaction times (for example, Inter-
net telephony, IPTV, video on demand).
•
Network applications in this category always have priori-
ty over other applications accessing the Internet at the
same time.
•
When the Internet connection is working at full capacity,
the network packets of the applications of this category
will always be sent first. In this case data from network
applications assigned to other categories will be trans-
mitted later.
•
If multiple network applications are assigned to this cat-
egory, then they must share the available capacity.
•
Whenever Internet telephony is included in this catego-
ry, this application always has the highest priority, even
over other real-time applications.

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