Using Access Control Lists for Security 357
Creating a Layer 4 Protocol ACE
To create a Layer 4 Protocol ACE:
1 In the ACL Setup page of the Create ACL wizard, click New. A list of
ACEs appears.
2 Select New L4 Protocol ACE. The Create L4 Protocol ACE dialog box
appears.
3 In the Action list, select Permit to allow access if the conditions in the
ACE are matched, or Deny to refuse access if the conditions are
matched.
4 If you select Permit, in the CoS box, specify a class-of-service level for
packets. For information, see step 4 in “Creating an IP ACE” on
page 350.
5 To enable counting of packets filtered by an ACL, select Enable Hit
Count.
Information Request (15) None
Information Reply (16) None
Table 23 ICMP Messages and Codes (continued)
ICMP Message (Type Number) Code (Number)
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