SYNTAXis the pattern identifier that will match the text. For example,
[email protected]will be matched by the
10.0.1.22will be matched by the
IPV4pattern. The syntax can further be broken down into subpatterns composed of regular expressions.
SEMANTICis the identifier you give to the piece of text being matched. For example,
[email protected]is an e-mail address so you could call it
10.0.1.22might identify the
sendermaking a request.
Httpdand running on namespaces that being with webservers-.
namespaceskeyword or both, excludes matching on that criteria. For e.g. omitting
applicationsmeans the grok pattern is applied to data from all applications from the