Chapter 7 Firewall
77
7.3 MAC
Filtering
Click
Advanced Setup > Firewall > MAC Filtering
to allow or block wireless and LAN clients access
to the Router.
Direction
Select a direction of travel of packets for which you want to configure the firewall
rule.
Protocol
Select the IP protocol (
TCP
,
UDP
or
ICMP
) and enter the protocol (service type)
number in the port field.
Source IP Address
Enter the source IP address in dotted decimal notation.
Source Subnet
Mask
Enter the source subnet mask.
Source IPv6
Address
Enter the source IPv6 address in dotted decimal notation.
Source IPv6 Prefix
Length
Enter the IPv6 prefix length for the
source
IPv6 address.
The IPv6 prefix length specifies how many most significant bits (starting from the
left) in the address compose the network address. This field displays the bit number
of the IPv6 subnet mask.
Source Port
Enter the single port number or the range of port numbers of the source.
Destination IP
Address
Enter the destination IP address in dotted decimal notation.
Destination
Subnet Mask
Enter the destination subnet mask.
Destination IPv6
Address
Enter the destination IPv6 address in dotted decimal notation.
Destination IPv6
Prefix Length
Enter the IPv6 prefix length for the
destination
IPv6 address.
The IPv6 prefix length specifies how many most significant bits (starting from the
left) in the address compose the network address. This field displays the bit number
of the IPv6 subnet mask.
Destination Port
Enter the single port number or the range of port numbers of the destination.
Action
Use the drop-down list box to select whether to discard (
Drop
), deny
and send an
ICMP message to the sender of (
Reject
) or allow the passage of (
Permit
) packets
that match this rule.
Reject Type
If you select
Reject
, specify the type of ICMP message to send to the sender.
Back
Click
Back
to return to the previous screen.
Apply
Click
Apply
to save your customized settings and exit this screen.
Table 41
Firewall Rules: Add (continued)
LABEL
DESCRIPTION
Summary of Contents for Movistar GPT-2541GNAC
Page 47: ...Chapter 4 LAN 47 Figure 25 LAN Setup...
Page 99: ...Chapter 11 DNS 99 Figure 62 DNS Server...
Page 144: ...Chapter 20 Wireless 144 Figure 92 Wireless Security...
Page 166: ...Chapter 21 Voice 166...
Page 196: ...Chapter 21 Voice 196...
