AIR802 LLC AP25N01 Manuale Utente
AP25N01 User Manual
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added firewall entries are saved in system configuration file, however only the enabled
port forwarding entries are active during system operation.
port forwarding entries are active during system operation.
DNS Proxy
The DNS Proxy forwards the Domain Name System requests from the hosts that reside
in the internal network to the DNS server while device is in operating in Router mode.
Valid Primary DNS Server IP needs to be specified for DNS Proxy functionality. Internal
network interface IP of the device should be specified as the DNS server in the host
configuration in order for the DNS Proxy to be able to get the DNS requests and
translate domain names to IP addresses afterwards.
in the internal network to the DNS server while device is in operating in Router mode.
Valid Primary DNS Server IP needs to be specified for DNS Proxy functionality. Internal
network interface IP of the device should be specified as the DNS server in the host
configuration in order for the DNS Proxy to be able to get the DNS requests and
translate domain names to IP addresses afterwards.
Bridge mode Firewall Configuration Settings
Firewall functionality on any router interface can be enabled using the "Enable Firewall"
option. Router Firewall rules can be configured, enabled or disabled while using the
Firewall configuration window, which is opened by clicking Configure. New entries can
be saved by clicking Apply and Save Changes or discarded by clicking Cancel in the
Firewall configuration window.
option. Router Firewall rules can be configured, enabled or disabled while using the
Firewall configuration window, which is opened by clicking Configure. New entries can
be saved by clicking Apply and Save Changes or discarded by clicking Cancel in the
Firewall configuration window.
All active firewall entries are stored in the FIREWALL chain of the iptables filter table
while the device is operating in Router mode.
while the device is operating in Router mode.
Firewall entries can be specified by using the following criteria:
Interface
The interface (WLAN, LAN or PPP) where filtering of the incoming/passing-through
packets is processed.
packets is processed.
IP Type
Sets which particular L3 protocol type (ICMP, TCP, UDP, P2P) should be filtered.
Source IP/mask
The source IP of the packet (specified within the packet header), usually it is the IP of
the host system which sends the packets.
the host system which sends the packets.
Source Port
The source port of the TCP/UDP packet (specified within the packet header), usually it
is the port of the host system application that sends the packets.
is the port of the host system application that sends the packets.
Destination IP/mask
The destination IP of the packet (specified within the packet header), usually it is the IP
of the system to which the packet is addressed.
of the system to which the packet is addressed.