Collates Request For Comments documents. Explains the RFC process, and includes a searchable database of RFCs... 

http://www.rfc-editor.org/

A consortium led by universities working in partnership with industry and government to develop and deploy advanced network applications and technologies, accelerating the creation of tomorrow's Internet... 

http://internet2.edu/

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. It encrypts all traffic to eliminate eavesdropping, connection hijacking, and other attacks. In addition, OpenSSH provides a large suite of secure tunneling capabilities, several authentication methods, and sophisticated configuration options... 

http://www.openssh.com/