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AXIS 212 PTZ - System Options
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HTTP
The default HTTP port number (80) can be changed to any port within the range 1024-65535. This is useful for
e.g. simple security port mapping.
HTTPS
The default HTTPS port number (443) can be changed to any port within the range 1024-65535. HTTPS is used
to provide encrypted web browsing.
NAT traversal (port mapping)
A broadband router allows devices on a private network (LAN) to share a single connection to the Internet. This
is done by forwarding network traffic from the private network to the “outside” i.e. the Internet. Security on the
private network (LAN) is increased since most broadband routers are pre-configured to stop any attempts to
access the private network (LAN) from the public network/Internet.
Use NAT traversal when your AXIS 212 PTZ is located on an intranet (LAN) and you wish to make it available
from the other (WAN) side of a NAT router. With NAT traversal properly configured, all HTTP traffic to an
external HTTP port in the NAT router will be forwarded to the camera.
LAN (intranet)
WAN (internet)
Broadband
(NAT)
router
ISP
Notes: • For NAT traversal to work, this must also be supported by the broadband router.
• The broadband router has many different names: “NAT router”, “Network router“, Internet Gateway”, “Broadband sharing device” or
“Home firewall” but the essential purpose of the device is the same.
Enable/Disable - When enabled, the AXIS 212 PTZ will attempt to configure port mapping in a NAT router on
your network, using UPnP™. Note that UPnP™ must be enabled in the camera (see System Options > Network >
UPnP).
AXIS Internet Dynamic DNS Service - Use this free service to assign a host name (user-friendly name) for easy
access to your camera. If the IP address of the camera or NAT router changes, the AXIS Internet Dynamic DNS
Service will automatically be updated with the new IP address.
Use manually selected NAT router - Select this option to manually select a NAT router and enter the IP address
for the router in the field provided.
If a router is not manually specified, the AXIS 212 PTZ will automatically search for NAT routers on your
network. If more than one router is found, the default router will be selected.
Alternative HTTP port - Select this option to manually define an external HTTP port. Enter the port number in
the field provided. If no port is entered here a port number will automatically be selected when NAT traversal is
enabled.
Notes: • An alternative HTTP port can be used/be active even if NAT traversal is disabled. This is useful if e.g. your NAT router does not support
UPnP and you need to manually configure port forwarding in the NAT router.
• If a manually selected port is already in use, another will automatically be selected.
• When the port is selected automatically it will be displayed in this field. This can be changed by entering a new port number and clicking
Save.