Telnet & SSH

Telnet & SSH

1. Telnet

   • general-purpose client-server application program.
   • Time Sharing
   • Local Login
   • Remote Login
   • NVT
   • Embeded
   • Options
   • Symmetry
   • Suboption Negotiation
   • Controlling the Servers
     • IP AP AYT EC EL
   • Out-of-Band
   • Modes of Operation
     • Default
     • Character Mode
     • Line Mode

2. SSH

   • Components
     • SSH-Trans SSH-Auth SSH-CONN SSH-Application
   • Port Forwarding
   • Format of SSH Packets