Query a specific IP address in Elastic

Hi there,

I am relatively new to elastic and expanding our ES daily.

We are ingesting logs from various network devices but come across a problem in Cisco. They do not send the hostname in their syslog and therefore all we get is for example

log.source.address: (where the port is random)

Therefore in KQL there are many entries for one device and seems no way to simply wildcard

Using Lucene we need to build a regular expression for this and tried various formats but as ^ is not supported there seems no way to say

log.source.address:10/.1/.1/.1:<1-99999> and produce a result from this or using various combinations.

Can anyone advise the best code for this ?

Thanks in advance for the advice.


Instead of trying to figure out how to write a full text search query a more efficient way of solving this would be to store the ip address in a dedicated field of the type IP and query that field...

does that make sense to you?

1 Like

if that is possible Alexander, certainly, so I was trying to search for a way to convert the output of log.source.address: to say logsource.ip: online but could not find it, could you direct me to the resource for that.


This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.