94 SBC session border controllers
Firewall rule menu depending on the type of rule selected
– Packet source — defines the packet source network address either for all addresses or a particular IP ad-
dress or network:
– any — for all addresses (checkbox is selected).
– IP address/mask — for a particular IP address or network. Field is active when «any» checkbox is
deselected. For a network, the mask is mandatory; for IP address, the mask is optional.
– Source ports — packet source ТСР/UDP port or port range (defined with a hyphen «-»). This parame-
ter is used for TCP and UDP only; thus, select UDP, TCP, or TCP/UDP in the field in order to make this
field active.
– Destination address — defines the packet recipient network address either for all addresses or a particular
IP address or network:
– any — for all addresses (checkbox is selected).
– IP address/mask — for a particular IP address or network. Field is active when «any» checkbox is
deselected. For a network, the mask is mandatory; for IP address, the mask is optional.
– Destination ports — packet recipient ТСР/UDP port or port range (defined with a hyphen «-»). This
parameter is used for TCP and UDP only; thus, select UDP, TCP, or TCP/UDP in the field in order to
make this field active.
– Protocol — protocol for which the rule will be used: UDP, TCP, ICMP or TCP/UDP;