[IPX_TYPE]
   0x05 = SPX

[IPX_SOCKET]
   0x451 = NCP
   0x452 = SAP
   0x453 = RIPX
   0x455 = NBIPX
   0x456 = NDR
   0x457 = NSP
   0x550 = SMB
   0x551 = NMPI
   0x552 = SMB
   0x553 = NMPI
   0x554 = NMPI
   0x4001= NWDP