> Tcpdump is a good packet sniffer but it does not show the data in a > user-friendly format. ok I've made another tcpdump for ethereal and it's ok; I've checked and I get a lot of this scheme : No. Time Source Destination Protocol Info 10 0.004569 24.33.232.227 mydomain TCP 1488 > http [SYN] Seq=0 Ack=0 Win=64240 Len=0 MSS=1460 11 0.004626 mydomain 24.33.232.227 TCP http > 1488 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460 255 0.162181 24.33.232.227 mydomain TCP 1488 > http [ACK] Seq=1 Ack=1 Win=64240 Len=0 258 0.165191 24.33.232.227 mydomain TCP 1488 > http [FIN, ACK] Seq=1 Ack=1 Win=64240 Len=0 259 0.165313 mydomain 24.33.232.227 TCP http > 1488 [FIN, ACK] Seq=1 Ack=2 Win=5840 Len=0 385 0.311935 24.33.232.227 mydomain TCP 1488 > http [ACK] Seq=2 Ack=2 Win=64240 Len=0 (this is the whole tcp stream) for others I get the complete http exchange : get ... is it normal ? Ethereal is brand new for me so if you have some good tips to help me find some interesting information ... thanks a lot John