Cisco Explorer 4700 Installation Guide Page 307

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8-9
Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance
OL-26645-01
Chapter 8 Configuring Parameter Maps
Configuring Connection Parameter Maps
Timestamps Indicate how the ACE is to handle the timestamp option that is specified in SYN segments:
Allow—The ACE is to allow any segment with the specified option set.
Clear—The ACE is to clear the specified option from any segment that has it set and allow the
segment.
Action For TCP
Window Scale Factor
Indicate how the ACE is to handle the TCP window scale factor option that is specified in SYN
segments:
Allow—The ACE is to allow any segment with the specified option set.
Clear—The ACE is to clear the specified option from any segment that has it set and allow the
segment.
Drop—The ACE is to discard any segment with the specified option set.
Table 8-4 TCP Options for Connection Parameter Maps
1
1. For more information on TCP options, refer to the Security Guide, Cisco ACE Application Control Engine.
Kind Length Meaning
6 6 Echo (obsoleted by option 8)
7 6 Echo Reply (obsoleted by option 8)
9 2 Partial Order Connection Permitted
10 3 Partial Order Service Profile
11 CC
12 CC.NEW
13 CC.ECHO
14 3 TCP Alternate Checksum Request
15 N TCP Alternate Checksum Data
16 Skeeter
17 Bubba
18 3 Trailer Checksum Option
19 18 MD5 Signature Option
20 SCPS Capabilities
21 Selective Negative Acknowledgements (SNACK)
22 Record Boundaries
23 Corruption Experienced
24 SNAP
25 Unassigned (released 12/18/2000)
26 TCP Compression Filter
Table 8-3 Connection Parameter Map Attributes (continued)
Field Description
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