Feature #2671: Add Log level to suricata.log when using JSON type - Suricata - Open Information Security Foundation

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Feature #2671

closed

Add Log level to suricata.log when using JSON type

Added by Eric Urban almost 6 years ago. Updated almost 6 years ago.

Status:

Closed

Priority:

Normal

Assignee:

Eric Urban

Target version:

4.1.1

Effort:

low

Difficulty:

low

Label:

Description

Currently the log level (Info, Warning, Error, etc.) is missing from the suricata.log file when choosing JSON as the type.

Here is an example of the log output in 4.0.5:

{"timestamp":"2018-11-09T10:43:51.454590-0600","event_type":"engine","engine":{"message":"This is Suricata version 4.0.5 RELEASE"}}
{"timestamp":"2018-11-09T10:43:51.454766-0600","event_type":"engine","engine":{"message":"CPUs\/cores online: 1"}}
{"timestamp":"2018-11-09T10:43:51.459482-0600","event_type":"engine","engine":{"message":"Found an MTU of 1500 for 'eth0'"}}
{"timestamp":"2018-11-09T10:43:51.459548-0600","event_type":"engine","engine":{"message":"Found an MTU of 1500 for 'eth0'"}}
{"timestamp":"2018-11-09T10:43:51.482034-0600","event_type":"engine","engine":{"message":"Running in live mode, activating unix socket"}}

This request is to add the log level, as this is useful when using logging for alerting purposes.

An example of the desired output is:

{"timestamp":"2018-11-09T12:05:27.806528-0600","log_level":"Notice","event_type":"engine","engine":{"message":"This is Suricata version 4.0.5 RELEASE"}}
{"timestamp":"2018-11-09T12:05:27.806976-0600","log_level":"Info","event_type":"engine","engine":{"message":"CPUs\/cores online: 1"}}
{"timestamp":"2018-11-09T12:05:27.812498-0600","log_level":"Info","event_type":"engine","engine":{"message":"Found an MTU of 1500 for 'eth0'"}}
{"timestamp":"2018-11-09T12:05:27.812555-0600","log_level":"Info","event_type":"engine","engine":{"message":"Found an MTU of 1500 for 'eth0'"}}

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Updated by Eric Urban almost 6 years ago

It is true that error level messages do have extra info added, so it would be possible to alert on errors. However, it seems nice to have the log level always available.

An example of an error event:

{"timestamp":"2018-11-12T12:02:39.566766-0600","event_type":"engine","engine":{"error_code":43,"error":"SC_ERR_NO_RULES_LOADED","message":"Loading signatures failed."}}

It still seems to me it would be appropriate to have something like:

{"timestamp":"2018-11-12T12:02:39.566766-0600","log_level":"Error","event_type":"engine","engine":{"error_code":43,"error":"SC_ERR_NO_RULES_LOADED","message":"Loading signatures failed."}}

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