> Running tcpdump I got this. What means?
>
> 11:26:25.828347 mail.eccelera.com.br.3262 > proteus.hipernet.com.br.www:
S 828883219:828883219(0) win 32120 <mss 1460,sackOK,timestamp 1546955 80[|tcp]> (DF)
mail.eccelera.com.br is asking for a webpage on proteus.hipernet.com.br,
and you can look for the meaning of
S 828883219:828883219(0) win 32120 <mss 1460,sackOK,timestamp 1546955
80[|tcp]> (DF)
using "man tcpdump"
Kalou
--
from "man tcpdump":
Here is the opening portion of an rlogin from host rtsg to host csam.
rtsg.1023 > csam.login: S 768512:768512(0) win 4096 <mss 1024>
This line says that tcp port 1023 on rtsg sent a packet to port
login on csam. The S indicates that the SYN flag was set. The packet
sequence number was 768512 and it contained no data. (The notation is
`first:last(nbytes)' which means `sequence numbers first up to but
not including last which is nbytes bytes of user data'.) There was no
piggy-backed ack, the available receive window was 4096 bytes and there
was a max-segment-size option requesting an mss of 1024 bytes.
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