9/10/2023 0 Comments Transforms conf in splunkHowever, combining it with a general drop transform seems to be different. I already have been playing around with the MetaData:Index key which seems to work just fine when applied as single transform for a certain source. ,I'm trying to do the same but I do not get the expected result. 1) Route all data matching a certain regex to a specific index on my indexer. How can I do to filter syslog messages I want and discard the other messages(dont save) ? nf the configuration of this file is: īut not quite work, if in the fields: DEST_KEY = queueīut if I write the following works properly: REGEX = I receive syslog messages by upd: 514, I want to do is to filter syslog messages with a particular word and discard the rest messages. I'm trying to do the same but I do not get the expected result. Or do I need to route the filtered data to the indexQueue and then route it again to the correct index somewhere else? Is combining these two transforms possible? If yes, how? All data is dropped since my indexes remain empty. However, when I want to route to the test index, the "test" transform just doesn't seem to get applied. Navigate to the Field transformations page by selecting Settings > Fields > Field transformations. changes I made in nf: hostoverride REGEX hostname':s'(.)' DESTKEY MetaData:Host FORMAT host::1. When testing the same syntax as mentioned in the doc, the filtering works and all events matching the "test" transform get sent to the main index: This is my nf, with the transforms in the order the documentation is telling me to put them (. I already have been playing around with the _MetaData:Index key which seems to work just fine when applied as single transform for a certain source. If I try to parse the same records by triggering on, that works.I'm running a test setup with some live syslog data and I want to do the following on my forwarder:ġ) Route all data matching a certain regex to a specific index on my indexer If I try to parse the timestamp by triggering on, the timestamps aren't parsed. I know the sourcetype is being rewritten because I get it in search results. # Which implies to me that props isn't taking advantage of the sourcetypeĪnd nf is correctly setting the sourcetype like this: TRANSFORMS-set_sourcetype_514 = set_sourcetype_f5, set_sourcetype_cisco The Cisco Security Suite app doesn't seem to cover routers/switches. Help us learn about how Splunk has impacted your career by taking the 2022 Splunk Career Survey. I must say, I'm kind of surprised that extractors for Cisco aren't cooked in or easily available. I am attempting to figure out a regex for a nf for a field named Call Reason. In order to extract data from these lines after they've been tagged as sourcetype 'cisco'?Īny thoughts appreciated. Which references this in nf: Ĭan I then have something like this further down in nf? ĮXTRACT-ip_proto,src_address,src_port,etc = "list 101 denied (?+) (?d+.d+.d+.d+)((?d+)) -> (?d+.d+.d+.d+)((?d+))" TRANSFORMS-set_sourcetype_cisco = set_sourcetype_cisco Can a sourcetype be assigned using nf and then (as the new sourcetype) be operated on within nf? I'd like to break some of these out and do some specific extraction. By editing nf, nf, and nf, you can configure a heavy forwarder to route data conditionally to third-party systems, in the same way that it routes data conditionally to other. We have various 514/udp sources that all get mashed in under sourcetype "syslog". Solved: Hi at all, a very quick answer: I modified nf in one app without restarting Splunk: The update I performed was to add three new. Splunk forwarders can forward raw data to non-Splunk systems over a plain TCP socket or packaged in.
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