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| USERNAME [a-zA-Z0-9._-]+ | |
| USER %{USERNAME} | |
| INT (?:[+-]?(?:[0-9]+)) | |
| BASE10NUM (?<![0-9.+-])(?>[+-]?(?:(?:[0-9]+(?:\.[0-9]+)?)|(?:\.[0-9]+))) | |
| NUMBER (?:%{BASE10NUM}) | |
| BASE16NUM (?<![0-9A-Fa-f])(?:[+-]?(?:0x)?(?:[0-9A-Fa-f]+)) | |
| BASE16FLOAT \b(?<![0-9A-Fa-f.])(?:[+-]?(?:0x)?(?:(?:[0-9A-Fa-f]+(?:\.[0-9A-Fa-f]*)?)|(?:\.[0-9A-Fa-f]+)))\b | |
| POSINT \b(?:[1-9][0-9]*)\b | |
| NONNEGINT \b(?:[0-9]+)\b | |
| WORD \b\w+\b | |
| NOTSPACE \S+ | |
| SPACE \s* | |
| DATA .*? | |
| GREEDYDATA .* | |
| #QUOTEDSTRING (?:(?<!\\)(?:"(?:\\.|[^\\"])*"|(?:'(?:\\.|[^\\'])*')|(?:`(?:\\.|[^\\`])*`))) | |
| QUOTEDSTRING (?>(?<!\\)(?>"(?>\\.|[^\\"]+)+"|""|(?>'(?>\\.|[^\\']+)+')|''|(?>`(?>\\.|[^\\`]+)+`)|``)) | |
| UUID [A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}-){3}[A-Fa-f0-9]{12} | |
| # Networking | |
| MAC (?:%{CISCOMAC}|%{WINDOWSMAC}|%{COMMONMAC}) | |
| CISCOMAC (?:(?:[A-Fa-f0-9]{4}\.){2}[A-Fa-f0-9]{4}) | |
| WINDOWSMAC (?:(?:[A-Fa-f0-9]{2}-){5}[A-Fa-f0-9]{2}) | |
| COMMONMAC (?:(?:[A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}) | |
| IP (?<![0-9])(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))(?![0-9]) | |
| HOSTNAME \b(?:[0-9A-Za-z][0-9A-Za-z-]{0,62})(?:\.(?:[0-9A-Za-z][0-9A-Za-z-]{0,62}))*(\.?|\b) | |
| HOST %{HOSTNAME} | |
| IPORHOST (?:%{HOSTNAME}|%{IP}) | |
| HOSTPORT (?:%{IPORHOST=~/\./}:%{POSINT}) | |
| # paths | |
| PATH (?:%{UNIXPATH}|%{WINPATH}) | |
| UNIXPATH (?>/(?>[\w_%!$@:.,-]+|\\.)*)+ | |
| #UNIXPATH (?<![\w\/])(?:/[^\/\s?*]*)+ | |
| TTY (?:/dev/(pts|tty([pq])?)(\w+)?/?(?:[0-9]+)) | |
| WINPATH (?>[A-Za-z]+:|\\)(?:\\[^\\?*]*)+ | |
| URIPROTO [A-Za-z]+(\+[A-Za-z+]+)? | |
| URIHOST %{IPORHOST}(?::%{POSINT:port})? | |
| # uripath comes loosely from RFC1738, but mostly from what Firefox | |
| # doesn't turn into %XX | |
| URIPATH (?:/[A-Za-z0-9$.+!*'(){},~:;=#%_\-]*)+ | |
| #URIPARAM \?(?:[A-Za-z0-9]+(?:=(?:[^&]*))?(?:&(?:[A-Za-z0-9]+(?:=(?:[^&]*))?)?)*)? | |
| URIPARAM \?[A-Za-z0-9$.+!*'|(){},~#%&/=:;_?\-\[\]]* | |
| URIPATHPARAM %{URIPATH}(?:%{URIPARAM})? | |
| URI %{URIPROTO}://(?:%{USER}(?::[^@]*)?@)?(?:%{URIHOST})?(?:%{URIPATHPARAM})? | |
| # Months: January, Feb, 3, 03, 12, December | |
| MONTH \b(?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?)\b | |
| MONTHNUM (?:0?[1-9]|1[0-2]) | |
| MONTHDAY (?:(?:0[1-9])|(?:[12][0-9])|(?:3[01])|[1-9]) | |
| # Days: Monday, Tue, Thu, etc... | |
| DAY (?:Mon(?:day)?|Tue(?:sday)?|Wed(?:nesday)?|Thu(?:rsday)?|Fri(?:day)?|Sat(?:urday)?|Sun(?:day)?) | |
| # Years? | |
| YEAR (?>\d\d){1,2} | |
| # Time: HH:MM:SS | |
| #TIME \d{2}:\d{2}(?::\d{2}(?:\.\d+)?)? | |
| # I'm still on the fence about using grok to perform the time match, | |
| # since it's probably slower. | |
| # TIME %{POSINT<24}:%{POSINT<60}(?::%{POSINT<60}(?:\.%{POSINT})?)? | |
| HOUR (?:2[0123]|[01]?[0-9]) | |
| MINUTE (?:[0-5][0-9]) | |
| # '60' is a leap second in most time standards and thus is valid. | |
| SECOND (?:(?:[0-5][0-9]|60)(?:[:.,][0-9]+)?) | |
| TIME (?!<[0-9])%{HOUR}:%{MINUTE}(?::%{SECOND})(?![0-9]) | |
| # datestamp is YYYY/MM/DD-HH:MM:SS.UUUU (or something like it) | |
| DATE_US %{MONTHNUM}[/-]%{MONTHDAY}[/-]%{YEAR} | |
| DATE_EU %{YEAR}[./-]%{MONTHNUM}[./-]%{MONTHDAY} | |
| ISO8601_TIMEZONE (?:Z|[+-]%{HOUR}(?::?%{MINUTE})) | |
| ISO8601_SECOND (?:%{SECOND}|60) | |
| TIMESTAMP_ISO8601 %{YEAR}-%{MONTHNUM}-%{MONTHDAY}[T ]%{HOUR}:?%{MINUTE}(?::?%{SECOND})?%{ISO8601_TIMEZONE}? | |
| DATE %{DATE_US}|%{DATE_EU} | |
| DATESTAMP %{DATE}[- ]%{TIME} | |
| TZ (?:[PMCE][SD]T) | |
| DATESTAMP_RFC822 %{DAY} %{MONTH} %{MONTHDAY} %{YEAR} %{TIME} %{TZ} | |
| DATESTAMP_OTHER %{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{TZ} %{YEAR} | |
| # Syslog Dates: Month Day HH:MM:SS | |
| SYSLOGTIMESTAMP %{MONTH} +%{MONTHDAY} %{TIME} | |
| PROG (?:[\w._/%-]+) | |
| SYSLOGPROG %{PROG:program}(?:\[%{POSINT:pid}\])? | |
| SYSLOGHOST %{IPORHOST} | |
| SYSLOGFACILITY <%{NONNEGINT:facility}.%{NONNEGINT:priority}> | |
| HTTPDATE %{MONTHDAY}/%{MONTH}/%{YEAR}:%{TIME} %{INT} | |
| # Shortcuts | |
| QS %{QUOTEDSTRING} | |
| # Log formats | |
| SYSLOGBASE %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{SYSLOGPROG}: | |
| COMBINEDAPACHELOG %{IPORHOST:clientip} %{USER:ident} %{USER:auth} \[%{HTTPDATE:timestamp}\] "(?:%{WORD:verb} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})?|%{DATA:rawrequest})" %{NUMBER:response} (?:%{NUMBER:bytes}|-) %{QS:referrer} %{QS:agent} | |
| # Log Levels | |
| LOGLEVEL ([T|t]race|TRACE|[D|d]ebug|DEBUG|[N|n]otice|NOTICE|[I|i]nfo|INFO|[W|w]arn?(?:ing)?|WARN?(?:ING)?|[E|e]rr?(?:or)?|ERR?(?:OR)?|[C|c]rit?(?:ical)?|CRIT?(?:ICAL)?|[F|f]atal|FATAL|[S|s]evere|SEVERE) |