Manuals / Black Box / Computer Equipment / Server

Black Box Value-Line and Advanced Console Servers Interface, Port Range, Source IP, Protocol

Models: LES1116A LES110BA LES1308A LES1348A LES144BA Value-Line and Advanced Console Servers LES114BA LES1432A LES1332A LES1316A LES1416A LES1208A-R2 LES1132A LES1216A-R2 LES1232A LES1248A-R2 LES1408A

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Protocol: TCP

Direction: Egress

Action: Block

The firewall rules are processed in a set order- from top to bottom. So rule placement is important. For example with the following rules, all traffic coming in over the Network Interface is blocked except when it comes from two nominated IP addresses (SysAdmin and Tony):

 

To allow all incoming traffic on all

To allow all incoming

To block all incoming traffic

 

interfaces from the SysAdmin:

traffic from Tony:

from the Network

 

 

 

Interface:

Interface

Any

Any

Network Interface

Port Range

Any

Any

Any

Source IP

IP address of SysAdmin

IP address of Tony

Any

Destination IP

Any

Any

Any

Protocol

TCP

TCP

TCP

Direction

Ingress

Ingress

Ingress

Action

Accept

Accept

Block

However if the Rule Order above was to be changed so the “Block Everyone Else” rule was second on the list then the traffic coming in over the Network Interface from Tony would be blocked.

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Black Box Value-Line and Advanced Console Servers Interface, Port Range, Source IP, Destination IP, Protocol, Direction
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