howardwang0620

Snowflake connects successfully with faulty proxy connection parameters

1

### Issue description Setting the `PROXYHOST` and `NONPROXYHOSTS` parameters to the same single-character value will directly connect to a Snowflake instance and bypass the proxy server, eg: `...USEPROXY=true;PROXYHOST=a;NONPROXYHOSTS=a;PROXYPORT=3128` connects successfully....