AOL Instant Messenger Reference Handout

Oscar Protocol

FLAP SNAC
  • Command Start (byte: 0x2a)
  • Channel ID (byte)
  • Sequence Number (word)
  • Data Field Length (word)
Data Field
  • Usually SNAC Data (variable)
Position Size Purpose
1 word Family ID
3 word SubType ID
5 byte Flags[0]
6 byte Flags[1]
7 dword Request ID
11 variable SNAC Data

TOC Protocol

Typical Signon Process
Optional:

More Information