# IPsec Global Settings
IPsec Settings > IPsec Global Settings

Use this tab to configure the IPsec communication settings.

### IPsec Function

Select whether to enable or disable IPsec communications.
If you select Active the machine will search the IPsec Policy List tab for the IPsec policy that matches the IPsec settings of the destination, and will then begin processing IP packets according to that policy.

### Default Policy

Specify how the machine responds when none of the IPsec policies in the IPsec Policy List tab match the IPsec settings of the destination. Select one of the following options:

#### Allow

IP packets are transmitted and received without IPsec protection.

#### Drop

IP packets are discarded.

### Broadcast and Multicast Bypass

Select the check boxes of the services to which you do not want to apply IPsec.

### All ICMP Bypass

Specify whether or not to apply IPsec to ICMP packets.
If you select Active, all ICMP packets will be bypassed without IPsec protection.
If you select Inactive, only the following ICMP message types will be bypassed without IPsec protection.

#### IPv4

Type | Description
--- | ---
3 | Destination Unreachable
5 | Redirect
9 | Router Advertisement
10 | Router Solicitation

#### IPv6

Type | Description
--- | ---
1 | Destination Unreachable
2 | Packet too Big
130 | Multicast Listener Query
131 | Multicast Listener Report
132 | Multicast Listener Done
133 | Router Solicitation
134 | Router Advertisement
135 | Neighbor Solicitation
136 | Neighbor Advertisement

## Buttons

### Refresh

Click to update the currently displayed information.

Note

- Before making the settings, click Refresh to obtain the machine's current status.

### Please enter Administrator Password.

Enter the administrator password.

Note

- If you enter a wrong password or leave the text box blank, the settings on this tab will not be applied when you click Apply.

### Apply

Click to apply the settings.

### Cancel

Click to cancel the settings.

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