Splunk Enterprise ships with a script located in $SPLUNK_HOME/etc/system/bin/ called external_lookup.py, which is a DNS lookup script that: if given a host, returns the IP address. if given an IP address, returns the host name. The configuration for this script resides in $SPLUNK_HOME/etc/system/default/transforms.conf.
Define an external lookup in Splunk Web. External lookups use python scripts or binary executables to populate events with field values from an external source.. External lookups are often referred to as scripted lookups, because they are facilitated through the use of a script.
If you look at external_lookup.py script, it uses python socket module which interacts with OS name resolution (DNS) server, if DNS server which is configured in OS (On which splunk is running) is blocking any external name resolution then you can’t resolve external IP/hostnames with external_lookup.py script and you might need to create your own script which use proxy IP for name resolution on external DNS.
Solved: Hello, I am trying to use the external_ lookup.py feature to pass in IP addresses and return the hostname. I tried copying the files from here COVID-19.
Splunk Python External Lookup . GitHub Gist: instantly share code, notes, and snippets.
Why manage Splunk knowledge? Prerequisites for knowledge management Get started with knowledge objects Manage knowledge objects through Settings pages Monitor and organize knowledge objects The sequence of search-time operations Give knowledge objects of the same type unique names …
Is there any way to send a custom message from python script to splunk GUI whenever the search event matches the custom limit number(1000). This limit is not from the splunk configs. this limit has been provided in my external lookup python script.
