Cisco OL-4015-08 User Manual page 517

Chapter 24 ACL Editor
Description
Protocol and Service
OL-4015-08
Type
Select one of the following:
A specific IP address. This can be a network address or the address of a
•
specific host.
A host name.
•
Any IP address.
•
Mask
If you selected A specific IP address, either select the wildcard mask from this
list or enter a custom wildcard mask. A binary 0 in a wildcard mask means that
the corresponding bit in the packet's IP address must match exactly. A binary 1 in
a wildcard mask means that the corresponding bit in the packet's IP address need
not match.
Hostname
If you selected A host name in the Type field, enter the name of the host.
You can enter a short description of the entry in this field. The description must
be fewer than 100 characters long.
Select the protocol and service, if applicable, that you want the entry to apply to.
The information that you provide differs from protocol to protocol. Click the
protocol to see what information you need to provide.
Source Port
Available when either TCP or UDP is selected. Setting this field will cause the
router to filter on the source port in a packet. It is rarely necessary to set a source
port value for a TCP connection. If you are not sure you need to use this field,
leave it set to = any.
Destination Port
Available when either TCP or UDP is selected. Setting this field will cause the
router to filter on the destination port in a packet.
Cisco Router and Security Device Manager Version 2.2 User's Guide
Rules Windows
24-15