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Why is the preread method in the stream subsystem called after receiving at least 5 bytes? #246

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freefengeli opened this issue May 17, 2021 · 0 comments
Open

Why is the preread method in the stream subsystem called after receiving at least 5 bytes? #246

freefengeli opened this issue May 17, 2021 · 0 comments

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@freefengeli
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Hello Dears,
Could anyone help me? I test it with a TCP client. the preread method is not called until the fifth byte is sent. Why?
The interactive message information is as follows
image
I hope to intercept the IP of the client when establishing TCP connection. Is the method I use wrong?
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@freefengeli