Protocol rule

Protocol rules (Figure 9-5) let you include certain types of traffic belongs to a specified protocol. Two kinds of protocols are supported, Ethernet II and IPv4.

Figure 9-5. Protocol rule

Netwalk filter rule proto Protocol rule

The options for a Protocol rule are described below:

  • Protocol Type: The type of the protocol rule. It could be Ethernet II or IPv4.
  • Value: The protocol value. If the Protocol Type is Ethernet II, AthTek NetWalk will check the specified Value in the EthenetII header鈥檚 Type field. If the Protocol Type is IPv4, AthTek NetWalk will check the specified Value in the IP header鈥檚 Protocol field.
  • Reference Button: This button brings up the Protocol Reference dialog (Figure 9-6) . You can specify a protocol value easier with it.
Figure 9-6. Protocol Reference dialog

Netwalk filter rule proto ref Protocol rule

  • Protocol Name: Show the protocol name. Just an explain of the protocol value.

Protocol rule