SSH for the web? Yup. Try it out.
Web Based terminal Implementation in ActionScript & Flex via PHP
FlexTermShell is an ANSI capable telnet terminal for the web written for the Adobe Flex Player plugin developed by youngwelle@gmail.com & yangguangyong@gmail.com. The client is based off the phpseclib0.1.5(PHP) open source library, and is completely FREE for download.
FlexTermShell is currently in OPEN BETA. Use it at your own risk. If you'd like to report bugs or help in the project, please subscribe to the mailing list by emailing youngwelle@gmail.com & yangguangyong@gmail.com with the subject SUBSCRIBE FlexTermShell or visiting the support blog at the diskshop SFTP,SSH.
Air Online Install:
Silverligh3 Demo(with OutOfBrowser support):