TCP data input configuration fields

reference australia Updated Sep 10, 2026 2 min read hla-data-input-tcp-ref.md
Raw file servicenow.com

Description of the fields on the TCP data input configuration form.

Basic configuration

Field

Description

Name

Name of the new data input. This field is required.

Description

Description of the data input.

Port

The port for the MID Server. Select a unique port from the array. The placeholder shows the range of ports from which to choose. Make sure that your organization’s security team opens the selected port.

This field is required.

MID

The MID Server to which the logs are streamed. Note:

  • You can select only MID Servers with log ingestion capability that support basic authentication. MID Servers that support mTLS are not listed.
  • The default maximum number of data inputs streaming logs to a single MID Server is 10. You can modify this number in the MID Server properties.

This field is required.

Service instance

The service instance to which to bind the log data. This field is required.Note: If no relevant service instance exists, Create an service instance and add CIs to it. Set the status of the new service instance to Operational.

The following fields show read-only information:

Field

Description

Status

Status of the data input.

Transport

Protocol used to send the log data.Rsyslog and Splunk send data using the TCP protocol.

Sources count

The number of log sources this data input has created.

Disabled since

The time when the data input stopped or failed.

Last log time

The time when the last log streamed in the data input.

Error message

The streaming error.This field is populated automatically. It displays only when a streaming error has occurred.

## Advanced configuration

Field

Description

Default value

Use SSL/TLS

Option to use SSL/TLS.

 

Look up hostnames

Option to perform DNS lookup to resolve IPs to hostnames.

false

Boss thread count

The number of threads that manage connections.

1

Worker thread count

The number of threads that handle incoming data.

4

Read timeout seconds

The timeout in seconds since the last read. When the timeout expires, the system closes the channel.

30

Default timezone

The default time zone of events. The system uses this default when the log does not specify a time zone.

GMT

Sub sample drop ratio

The ratio of events to drop.

-1

Sub sample receive ratio

The ratio of events to receive.

-1

Max length in bytes

The maximum length of log messages in bytes.

32766

Character encoding

The character encoding for this data input.

UTF-8

Drop if queue is full

Option to discard logs if there is a load on the MID Server.

 

Line breaker delimiters

The line break character separating the raw log lines.Splitting values must be separated by a comma followed by a space: ", ". For example: "\r, \n, , splitHere, #".

 

**Parent Topic:**[Data input configuration fields](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/health-log-analytics/hla-data-input-config-fields.md)
Search documentation
Search document titles and file paths on the australia branch