MaxRequestVars (MAXVARS) protocol option

Specifies the maximum number of HTTP input variables allowed in a request that is sent to the database server.

Syntax

{ MaxRequestVars | MAXVARS }=number

Allowed values

number This integer specifies the maximum number of input variables allowed in a request sent to the database server. The value 0 indicates that there is no upper limit; however, the number of input variables allowed is still limited by the number of bytes allowed in the request, which is determined by the MaxRequestSize protocol option.

Remarks

If the number of input variables exceeds this limit, the connection is closed and the client returns a response indicating that the request is a bad request.

Versions 12 and earlier of the database server had no restriction on the number of HTTP or HTTPS input request variables. Setting the MaxRequestVars protocol option to 0 restores the previous behavior, but doing so is not recommended.

Example

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