Hi,
I only need the first two octet of IP address, for example, only 91.255 for IP 91.225.201.1. Please advise how to get this in logstash filter.
Thanks,
Leo
Hi,
I only need the first two octet of IP address, for example, only 91.255 for IP 91.225.201.1. Please advise how to get this in logstash filter.
Thanks,
Leo
You could do it using dissect
dissect { mapping => { "someField" => "%{IP}.%{+IP}.%{}" } }
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