The function does not take positive number as input. It takes TLS
version strings.
Pointed out by ZeroPath
Closes #19115
/*
* Parse the string and modify ssl_version in the val argument. Return PARAM_OK
- * on success, otherwise a parameter error enum. ONLY ACCEPTS POSITIVE NUMBERS!
+ * on success, otherwise a parameter error enum.
*
* Since this function gets called with the 'nextarg' pointer from within the
* getparameter a lot, we must check it for NULL before accessing the str