Could people 'ripping'/see a write/read tcp msg ?

Blitz3D Forums/Blitz3D Programming/Could people 'ripping'/see a write/read tcp msg ?

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H!,

I'm busy with making a program that uses TCP DirectX (with write and read), but now I want to know if there is a program that can see what i'm writing/reading.

For example I do this:
str=CreateTCPServer(8080)
; some code here
; now there is a 1:1 server<>client connection

; - the client or the server start a 'TCPscanTool' in windows

;the blitzprogram write's this
writestring(str,"a ingame string")

;the 'TCPscanTool' detect's it and give this output:
=>a ingame string

Where is the encryption ?
Or it isn't possible because a open port is only for one program ?
[or maybe there is a port reader...]

Greetings,
GC-Martijn