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Added a note about PCRE2 in the dbfwfilter documentation

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The syntax of the regular expression was not clearly stated.
This commit is contained in:
Markus Makela
2016-03-24 09:01:02 +02:00
parent 74df62f352
commit 89e71717c9
1 changed files with 5 additions and 5 deletions
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10
Documentation/Filters/Database-Firewall-Filter.md
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@ -22,15 +22,13 @@ passwd=mypasswd
filters=DatabaseFirewall filters=DatabaseFirewall
``` ```
### Filter Options
The database firewall filter supports a single option, `ignorecase`. This will set the regular expression matching to case-insensitive mode.
### Filter Parameters ### Filter Parameters
The database firewall filter has one mandatory parameter, `rules`.
#### `rules` #### `rules`
The database firewall filter has one mandatory parameter that defines the location of the rule file. It expects an absolute path to the rule file. Absolute path to a file with the rule definitions in it. The file should be readable by the user MaxScale is run with.
#### `action` #### `action`
@ -110,6 +108,8 @@ This rule expects a list of values after the `columns` keyword. These values are
#### `regex` #### `regex`
This rule blocks all queries matching a regex enclosed in single or double quotes. This rule blocks all queries matching a regex enclosed in single or double quotes.
The regex string expects a PCRE2 syntax regular expression. For more information
about the PCRE2 syntax, read the [PCRE2 documentation](http://www.pcre.org/current/doc/html/pcre2syntax.html).
#### `limit_queries` #### `limit_queries`