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Added missing dbfwfilter syntax documentation

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The `allow` keyword can be used to substitute the `deny` keyword but this
was not documented. Also the fact that neither of them affect the actual
behavior of the filter was not very clearly stated.
This commit is contained in:
Markus Makela 2016-03-16 21:15:38 +02:00
parent 5da94f6fb8
commit e29660b357
1 changed files with 6 additions and 1 deletions
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7
Documentation/Filters/Database-Firewall-Filter.md
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@ -60,7 +60,12 @@ rule NAME deny [wildcard | columns VALUE ... |
Rules always define a blocking action so the basic mode for the database firewall filter is to allow all queries that do not match a given set of rules. Rules are identified by their name and have a mandatory part and optional parts. You can add comments to the rule files by adding the `#` character at the beginning of the line.
The first step of defining a rule is to start with the keyword `rule` which identifies this line of text as a rule. The second token is identified as the name of the rule. After that the mandatory token `deny` is required to mark the start of the actual rule definition.
The first step of defining a rule is to start with the keyword `rule` which
identifies this line of text as a rule. The second token is identified as
the name of the rule. After that one of the mandatory action tokens, `deny` or
`allow`, is required to mark the start of the actual rule definition. Both
`deny` and `allow` function in the same way and the actual behavior of
the filter is determined by the `action` parameter.
### Mandatory rule parameters