IP Access Filtering in Poseidon2 and Damocles2 units

Ip access filter define a range of trusted IP addresses that are allowed to access the Poseidon2 and Damocles2 units over HTTP and SNMP. Each protocol has its own table. Always only the IP addresses range is set, using the default IP address and the range around the entered value (mask), following the pattern where AND is bit multiplication. Access is granted if condition above is true.

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The IP filter setting is available in Security / IP Access Filter folder:

Always only the IP addresses range is set, using the default IP address and the range around the entered value (mask), following the pattern where AND is bit multiplication. Access is granted if the above condition is true.

IP trying to access AND IP Mask Range) = IP Address Value

IP Filter settings		Access granted to	Note
Address value	Mask Value	From – To
192.168.1.2	192.168.1.2	192.168.1.2	Only one IP allowed
192.168.1.87	192.168.1.87	192.168.1.87	Only one IP allowed
192.168.1.0	192.168.1.224	192.168.1.0 – 192.168.1.31	32 allowed addresses
192.168.1.0	192.168.1.0	192.168.1.0 – 192.168.1.255	All 256 addresses 192.168.1.x allowed
192.168.0.2	192.168.254.255	192.168.0.2 and 192.168.1.2	One address but on two networks
192.168.0.0	192.168.252.240	192.168.0.0 - 192.168.0.15 192.168.1.0 - 192.168.1.15 192.168.2.0 - 192.168.2.15 192.168.3.0 - 192.168.3.15	4 x 16 addresses allowed