i made this code, and i dont know if it works, and i cant test it right now, will you take a look and tell me what i need to change, add
thanks

Code:
Private Sub Client_DataArrival(Index As Integer, ByVal bytesTotal As Long)
    Dim Buffer As String
    Dim I As Long
    
    Call Client(Index).GetData(Buffer, vbString, byestotal)
    Let Client(Index).Tag = Client(Index).Tag & Buffer
    
    Let I = InStr(1, Client(Index).Tag, sckSep)
    If I < 2 Or I > 3 Then
        Dim Ban As CBan: Set Ban = New CBan
        Let Ban.By = "Server"
        Let Ban.IP = Client(Index).RemoteHostIP
        Let Ban.Reason = "sckSep position < 2 or > 3"
        Let Ban.Time = CDate(Date$ & " " & Time$)
        
        Call DB.Bans.Add(Ban, Ban.IP)
        Call Client_Close(Index)
        Exit Sub
    End If
    
    Let I = InStr(1, Client(Index).Tag, sckEnd)
    While I
        Let Buffer = Mid$(Client(Index).Tag, 1, I)
        Let Client(Index).Tag = Right$(Client(Index).Tag, I + 1)
        
        If Len(Buffer) Then
            Call ProcessData(Index)
        End If
        
        Let I = InStr(1, Client(Index).Tag, sckEnd)
    Wend
End Sub