FLAP Channel: 0 
 
  This is the FLAP header itself. This is not an individual packet, 
but a complete description of the fields in the FLAP header of every 
packet sent by both the server and the client 
  Parameters 
Length/TLV Content (If Fixed) Designations Description 
1 2A FLAP_ID This identifies the beginning of a FLAP packet. 
1 xx FLAP_CHANNEL This contains the channel to which this packet belongs:
01 - Client login
02 - SNAC Packets
03 - Errors
04 - Logoff
05 - Keep alive - Not used in current versions 
2 xx xx FLAP_SEQUENCE This is the FLAP sequence. It is chosen at random before 
EVERY connection. This is also a signed number and negative sequence numbers should 
never be sent to the server. The number should wrap to 0 and avoid becoming negative 
as negative sequences will cause the server to shut down the connection. 
2 xx xx FLAP_LENGTH This is the length of this FLAP packet EXCLUDING the FLAP header. 
 
   
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   2A 01 23 31 00 04    Flap: Channel 1, Sequence 9009, Length 4