Re: strange behaviour in TCP-Connect-Handshake

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Hello!

> 12:41:27.997216 eth0 < 217.111.11.28.53656 > 10.10.2.10.www: S
> 1550641618:1550641618(0) win 5840 <mss 1460,sackOK,timestamp 646924298
> 0,nop,wscale 0> (DF)
> 
> 12:41:27.997243 eth0 > 10.10.2.10.www > 217.111.11.28.53656: .
> 281850:281850(0) ack 124 win 32120 <nop,nop,timestamp 88850 648121803>
> (DF)

You have an old half-open connection, existing only at 10.10.2.10.

> 12:41:27.998085 eth0 < 217.111.11.28.53656 > 10.10.2.10.www: R
> 1438731713:1438731713(0) win 0 (DF)
...
> What could be the problem?


There is no problem. You see standard recovery of half-open
connection, see rfc792, page 34.

Alexey

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