Cisco ASA Series

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CHAPTER

1-1

Cisco ASA Series CLI Configuration Guide

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 1-1

• Licensing Requirements for Connection Settings, page 1-4

• Guidelines and Limitations, page 1-5

• Default Settings, page 1-5

• Configuring Connection Settings, page 1-6

• Monitoring Connection Settings, page 1-14

• Configuration Examples for Connection Settings, page 1-14

• Feature History for Connection Settings, page 1-16

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 1-2

• Disabling TCP Intercept for Management Packets for Clientless SSL Compatibility, page 1-2

• Dead Connection Detection (DCD), page 1-2

• TCP Sequence Randomization, page 1-3

• TCP Normalization, page 1-3

• TCP State Bypass, page 1-3

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