13 lines
348 B
Plaintext
13 lines
348 B
Plaintext
// Test that tcp_ecn=4 uses RFC3168 ECN for SYN
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`./defaults.sh
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sysctl -q net.ipv4.tcp_ecn=4
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`
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0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 4
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+.002 ... 0.05 connect(4, ..., ...) = 0
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+.002 > SEW 0:0(0) <mss 1460,sackOK,TS val 100 ecr 0,nop,wscale 8>
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+0.05 < S. 0:0(0) ack 1 win 32767 <mss 1460,nop,nop,sackOK,nop,wscale 8>
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+.002 > . 1:1(0) ack 1
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