Remote Web Browsing via OpenSSH and PuTTY

I'm installing SolusVM as a virtualization management system. It lets you manage your private cloud via a Web browser, set up resellers, and so on. When you first log in, the administrative interface locks itself down so that you can only log in from one IP address, in a sort of implicit whitelist. You must explicitly add other addresses. That's fine, even reasonable. I had three address ranges to add: my office, the headquarters, and Fearless Leader's office. So I went into the management...