Netgear GS724TS-100NAS User Manual download pdf (Page 191)

Chapter 5: Managing Device Security | 191

GS716Tv2 and GS724Tv3 Software Administration Manual

The IP ACL area shows the current size of the ACL table versus the maximum size of the

ACL table. The current size is equal to the number of configured IPv4 plus the number of

configured MAC ACLs. The maximum size is 100.

To configure an IP ACL:

1. In the IP ACL ID field, specify the ACL ID. The ID is an integer in the following range:

• 1–99: Creates an IP Standard ACL, which allows you to permit or deny traffic from a

source IP address.

• 100–199: Creates an IP Extended ACL, which allows you to permit or deny specific

types of layer 3 or layer 4 traffic from a source IP address to a destination IP address.

This type of ACL provides more granularity and filtering capabilities than the standard

IP ACL.

Each configured ACL displays the following information:

• Rules. Displays the number of rules currently configured for the IP ACL.

• Type. Identifies the ACL as either a standard or extended IP ACL.

2. To delete an IP ACL, select the check box next to the IP ACL ID field, then click Delete.

3. To change the name of an IP ACL, select the check box next to the IP ACL ID field, update

the name, then click Apply.

4. Click Cancel to cancel the configuration on the screen and reset the data on the screen to

the latest value of the switch.

IP Rules

Use the IP Rules page to define rules for IP-based standard ACLs. The access list definition

includes rules that specify whether traffic matching the criteria is forwarded normally or

discarded.

Note: There is an implicit “deny all” rule at the end of an ACL list. This

means that if an ACL is applied to a packet and if none of the explicit

rules match, then the final implicit “deny all” rule applies and the

packet is dropped.

To display the IP Rules page, click Security  ACL, then click the Advanced  IP Rules link.

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Netgear GS724TS-100NAS User Manual Page 191