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CHAPTER
57-1
Cisco ASA 5500 Series Configuration Guide using ASDM
57
Configuring Connection Settings
This chapter describes how to configure connection settings for connections that go through the ASA,
or for management connections, that go to the ASA. Connection settings include:
• Maximum connections (TCP and UDP connections, embryonic connections, per-client connections)
• Connection timeouts
• Dead connection detection
• TCP sequence randomization
• TCP normalization customization
• TCP state bypass
• Global timeouts
This chapter includes the following sections:
• Information About Connection Settings, page 57-1
• Licensing Requirements for Connection Settings, page 57-4
• Guidelines and Limitations, page 57-5
• Default Settings, page 57-5
• Configuring Connection Settings, page 57-5
• Feature History for Connection Settings, page 57-11
Information About Connection Settings
This section describes why you might want to limit connections and includes the following topics:
• TCP Intercept and Limiting Embryonic Connections, page 57-2
• Disabling TCP Intercept for Management Packets for Clientless SSL Compatibility, page 57-2
• Dead Connection Detection (DCD), page 57-2
• TCP Sequence Randomization, page 57-3
• TCP Normalization, page 57-3
• TCP State Bypass, page 57-3