Avocent PM3000 Guía de usuario descargar pdf (Pagina 41)

Field/Menu Option Definition

TCP Flags

[TCP only] SYN (synchronize), ACK (acknowledge), FIN (finish), RST (reset),

URG (urgent) and PSH (push). The conditions in the pull-down menu for each flag

are: Any, Set or Unset.

• If ICMP is selected from the Protocol menu, the ICMP Type pull-down menu is activated.

• If an administrator enters the Ethernet interface (eth0 or eth1) in the input or output

interface fields and selects an option (2nd and further packets, All packets and fragments

or Unfragmented packets and 1st packets) from the Fragments pull-down menu, the target

action is performed on packets from or to the specified interface if they meet the criteria in

the selected Fragments menu option.

To add a chain:

1. Select Network - Firewall.

2. Select either IPv4 Filter Table or IPv6 Filter Table as needed.

3. Click Add.

4. Enter the name of the chain to be added.

5. Click Save.

NOTE: Spaces are not allowed in the chain name.

6. Add one or more rules to complete the chain configuration.

To change the policy for a default chain:

NOTE: User-defined chains cannot be edited. To rename a user-added chain, delete it and create a new one.

1. Select Network - Firewall.

2. Select either IPv4 Filter Table or IPv6 Filter Table as needed.

3. Select the checkbox next to the name of the chain you want to change (FORWARD,

INPUT, OUTPUT).

4. Click Change Policy and select Accept or Drop from the drop-down menu.

5. Click Save.

To add a rule:

1. Select Network - Firewall.

2. Select either IPv4 Filter Table or IPv6 Filter Table as needed.

3. From the chain list, click the name of the chain you want to add a rule to.

Chapter 3: Accessing a PM PDU via the Web Manager 33

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Avocent PM3000 Guía de usuario Pagina 41