Cisco VPN 3000 Betriebsanweisung PDF herunterladen (Seite 266)

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13 Policy Management

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VPN 3000 Concentrator Series User Guide

Note: An IP address is used with a wildcard mask to provide the desired granularity. A wildcard mask is the

reverse of a subnet mask; i.e., the wildcard mask has 1s in bit positions to ignore, 0s in bit positions to

match. For example:

0.0.0.0/255.255.255.255 = any address

10.10.1.35/0.0.0.0 = only 10.10.1.35

10.10.1.35/0.0.0.255

= all 10.10.1.nnn addresses

IP Address

Enter the source IP address in dotted decimal notation. Default is 0.0.0.0.

Wildcard-mask

Enter the source address wildcard mask in dotted decimal notation. Default is 255.255.255.255.

Destination Address

Specify the packet destination address that this rule checks; i.e., the address of the recipient.

Network List

Click the drop-down menu button and select the configured network list that specifies the destination

addresses. A network list is a list of network addresses that are treated as a single object. See the

Configuration | Policy Management | Traffic Management | Network Lists screens. Otherwise, you can select:

Use IP Address/Wildcard-mask below, which lets you enter a network address.

If you select a configured network list, the Manager ignores entries in the

IP Address and Wildcard-mask

fields.

See the wildcard mask note above.

IP Address

Enter the destination IP address in dotted decimal notation. Default is 0.0.0.0.

Wildcard-mask

Enter the destination address wildcard mask in dotted decimal notation. Default is 255.255.255.255.

TCP/UDP Source Port

If you select TCP or UDP under Protocol above, select the source port number that this rule checks.

Many different protocols or processes run in TCP or UDP environments, and each TCP or UDP process

running on a network host is assigned a port number. Thus an IP address plus a port number uniquely

identifies a process on a network host. Only TCP and UDP protocols use port numbers. The Internet

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