Proroute
GEM
2M
4G
Router
GEM-2M series User Manual
108
3.2.5.4 UPnP
UPnP Internet Gateway Device (IGD) Standardized Device Control Protocol is a NAT
port mapping protocol and is supported by some NAT routers. It is a common
communication protocol of automatically configuring port forwarding. Applications
using peer-to-peer networks, multiplayer gaming, and remote assistance programs
need a way to communicate through home and business gateways. Without IGD one
has to manually configure the gateway to allow traffic through, a process which is
error prone and time consuming.
This device supports the UPnP Internet Gateway Device (IGD) feature. By default, it
is disabled.
3.2.6 Certificate
In cryptography, a public key certificate (also known as a digital certificate or identity
certificate) is an electronic document used to prove ownership of a public key. The
certificate includes information about the key, information about its owner's identity, and
the digital signature of an entity that has verified the certificate's contents are correct. If the
signature is valid, and the person examining the certificate trusts the signer, then they
know they can use that key to communicate with its owner
10
.
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Reference:
http://en.wikipedia.org/wiki/Public_key_certificate.
