Hi~ I want to send packets to 127.0.0.1:11311.
However, there're some problems I cannot solve.
Here's the picture:
1. In IPv4 data ("Header length")
Header length of the packets I want to send is 20.
But the "Header length" only accepts one digit number.
How to solve this kind of problem?
The packets I want to send didn't specify "TOS"(In IPv4 data) & "urgent pionter"(In TCP data)
Are these two arguments important when sending TCP packets?
3.In IPv4 data ("options 0x")
TCP data options of the packets I want to send is 0x12
But it kept showing error message:"Wrong length of tcp options field(length mod 8 must be 0)"
0x12 mod 8 should be zero, I also tried 0x08, 0x00…etc. But the error message didn't change.
I have no idea why this happens, is it relevant to "Header length"?
Thanks! Any thought and help will be appreciated.
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