Cisco ASA 5540

CHAPTER
48-1
Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
48
Configuring Connection Settings
This chapter describes how to configure connection settings for connections that go through the adaptive
security appliance, or for management connections, that go to the adaptive security appliance.
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 48-1
• Licensing Requirements for Connection Settings, page 48-4
• Guidelines and Limitations, page 48-4
• Default Settings, page 48-5
• Configuring Connection Settings, page 48-5
• Feature History for Connection Settings, page 48-11
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 48-2
• Disabling TCP Intercept for Management Packets for Clientless SSL Compatibility, page 48-2
• Dead Connection Detection (DCD), page 48-2
• TCP Sequence Randomization, page 48-2
• TCP Normalization, page 48-3
• TCP State Bypass, page 48-3