# KeepAlive

Enables TCP keep-alive packets on connections.

This parameter applies to imtcp: TCP Syslog Input Module.

Name:

  KeepAlive

Scope:

  module, input

Type:

  boolean

Default:

  module=off, input=module parameter

Required?:

  no

Introduced:

  at least 5.x, possibly earlier

## Description

Enable or disable keep-alive packets at the tcp socket layer. The default is to disable them.

The same-named input parameter can override this module setting.

## Module usage

    module(load="imtcp" keepAlive="on")

## Input usage

    input(type="imtcp" port="514" keepAlive="on")

### Legacy names (for reference)

Historic names/directives for compatibility. Do not use in new configs.

- $InputTCPServerKeepAlive — maps to KeepAlive (status: legacy)

## See also

See also imtcp: TCP Syslog Input Module.

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