GS700TR Smart Switch Software Administration Manual
6-52 Managing Device Security
v1.0, May, 2008
Protocol Type Requires a packet’s protocol to match the protocol listed here. Select a
type from the dropdown menu or enter the protocol number in the
available field.
Src IP Address Requires a packet’s source port IP address to match the address listed
here. Enter an IP Address in the appropriate field using dotted-decimal
notation. The address you enter is compared to a packet's source IP
Address.
Src IP Mask Specifies the source IP address wildcard mask. Wild card masks
determines which bits are used and which bits are ignored. A wild card
mask of 255.255.255.255 indicates that no bit is important. A wildcard of
0.0.0.0 indicates that all of the bits are important. Wildcard masking for
ACLs operates differently from a subnet mask. A wildcard mask is in
essence the inverse of a subnet mask. With a subnet mask, the mask
has ones (1's) in the bit positions that are used for the network address,
and has zeros (0's) for the bit positions that are not used. In contrast, a
wildcard mask has (0’s) in a bit position that must be checked. A ‘1’ in a
bit position of the ACL mask indicates the corresponding bit can be
ignored. This field is required when you configure a source IP address.
Src L4 Port Requires a packet’s TCP/UDP source port to match the port listed here.
Click Complete one of the following fields:
• Source L4 Keyword: Select the desired L4 keyword from a list of
source ports on which the rule can be based.
• Source L4 Port Number: If the source L4 keyword is Other, e
nter a
user-defined Port ID by which packets are matched to the rule.
Dst IP Address Requires a packet’s destination port IP address to match the address
listed here. Enter an IP Address in the appropriate field using dotted-
decimal notation. The address you enter is compared to a packet's
destination IP Address.
Dst IP Mask Specify the IP Mask in dotted-decimal notation to be used with the
Destination IP Address value.
Table 6-36. IP ACL Rule Configuration Fields (continued)
Field Description