ELSA Cable User Manual
Page 108
Description of the menu options
ELSA MicroLink Cable
R10
0
The setting all filters out every packet from the specified source network or to the
destination network
Src-address, Src-netmask
A subnetwork of the local network for which the filter is valid can be entered here.
A source address of 0.0.0.0 means that the filter is applied to all computers. A
network mask of 0.0.0.0 means that the filter is applied to all networks (which also
means all computers).
S-st., S-end
Source port range that is to be filtered. A range of 0 to 0 means that no source port
is affected by this filter.
Dst-address, Dst-netmask
A subnetwork of the local network for which the filter is valid can be entered here.
A destination address of 0.0.0.0 means that the filter is applied to all computers. A
network mask of 0.0.0.0 means that the filter is applied to all networks (which also
means all computers).
D-st., D-end
Destination port range that is to be filtered. A range of 0 to 0 means that no
destination port is affected by this filter.
Action
The filter can discard (not forward) or accept (forward) packets.
Interface
Select whether the filter should apply to the LAN interface, the interface to the
cable TV network, or both.
Direction
Select whether the filter should apply to incoming, outgoing, or all packets.
Broadcast
Select whether all broadcast packets (including unicast) or only multi/broadcast
packets should be filtered.
Number (matches)
Number of packets that fit the filter.
The table entries are sorted in a similar fashion to the IP router table:
The longest network mask is placed on top.
For two network masks of equal length, the one with the smallest IP address is
placed on top.