User`s guide

BLACK BOX® CS Installation, Administration, and User’s Guide 17
Packet Filtering on CS
UDP Protocol Options
When you select UDP as a protocol when specifying a rule, you can select the
UDP options defined in the following table.
ICMP Protocol Options
When you select ICMP as a protocol when specifying a rule, you can select
the following ICMP options.
•all
• echo-reply
• destination-unreachable
• network-unreachable
• host-unreachable
• protocol-unreachable
• port-unreachable
• fragmentation-needed
• source-route-failed
• network-unknown
• host-unknown
• network-prohibited
• host-prohibited
• TOS-network-unreachable
• TOS-host-unreachable
• communication-prohibited
• host-precedence violation
Table 1-5: UDP Protocol Packet Filtering Options
Field Definition
Source Port
- OR -
Destination Port
Specify a source or destination port number for filtering in the
“Source Port” or “Destination Port” field.
You can specify a source or destination port number for filtering in
the “Source Port” field. You can also specify a second number so
that UDP packets are filtered for any port number within the range.