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2N TELEKOMUNIKACE a.s., www.2n.cz
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Filtering
Embedded firewall settings. To add a new rule, click on the
icon. It is possible to
set a rule for call accepting/barring according to the type of traffic, source or
destination IP address or port. While creating more rules than one remember that
these rules are searched from top to bottom.
Figure 3.15:
Filtering
The form in Fig. 3.15 contains the following fields:
Protocol –
Protocol to be filtered.
Action –
You can accept or drop packets that are filtered.
Source IP address –
IP address to be filtered.
Destination port –
Destination port to be filtered.
Description –
Provides information on the rule.
Port Mapping
NATP setting for access devices in an internal LAN via the UMTS network (a public IP
must be assigned to
by the provider).
2N OfficeRoute/2N VoiceBlue Enterprise
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It is a transparent process where the network clients cannot see that port forwarding is
being done. This process enables you to run a public Internet service on a machine that
is otherwise hidden from the Internet by your gateway.
Example:
