Bivocom TG452 Series, Руководство пользователя

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1) Restrict to Address Family
You can choose IPv4, IPv6, or Pv4/IPv6.
2) Protocol
To choose the protocol you want for access control, it can TCP, UDP or TCP/UDP.
3) Source MAC Address
To choose the source MAC address of data packet.
4) Source Address
To choose the source IP address of data packet.
5) Source Port
To choose the source port of data packet.
6) Destination Address
To choose the destination IP address of data packet.
7) Destination Port
To choose the destination port of data packet.
8) Action
If the above-mentioned conditions matched, then you can choose below actions.

Accept
Allow data packet to go through.

Drop
Drop data packet

Reject
Drop data packet, and return an unachievable data packet.
 Don’t Track
No action.
3.3.4 Custom Settings
Users can also customize some firewall rules themselves, as those rules is consist of
iptable, we suggest users that are familiar with iptables command to do this. When you
add rules, please add them at the bottom of
existing rules, and don’t delete them.
3.4 VPN
VPN is used to establish a virtual private channel, and all the data in this channel will be
encrypted to ensure that data security during transmission.
TG452 support VPN: PPTP, L2TP, OpenVPN and IPSec. PPTP/L2TP are layer 2 VPN, and
OpenVPN is VPN based on SSL, while IPSec layer 3 VPN. PPTP/L2TP are more
convenient to use, while OpenVPN and IPSec is more complex, as they need complex
certification management, meanwhile, they offer more secured encrypted data.