merci de votre patience ! Voici le résultat de la capture sur la machine ubuntu pour laquelle le lancement de l'appli est quasi instantanné
désolé, c'est un peu long.... filtrage : ip.addr==192.168.80.150 "serveur" lenny/squeeze (comme expliqué ici http://forum.debian-fr.org/viewtopic.php?f=8&t=5659) adresse 192.168.80.150 "client" ubuntu 9.10 adresse 192.168.84.56 le masque est en 255.255.248.0 la première trame (41.12.etc.. s'est affichée dés que j'ai cliqué sur le bouton de l'appli la dernière trame lorsque j'ai vu apparaitre l'appli (à trés peu de choses prés) ******************************************************* No. Time Source Destination Protocol Info 41 12.998613 192.168.84.56 192.168.80.150 TCP 58110 > mysql [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=3892447 TSER=0 WS=6 42 12.998806 192.168.80.150 192.168.84.56 TCP mysql > 58110 [SYN, ACK] Seq=0 Ack=1 Win=5792 Len=0 MSS=1460 TSV=477104811 TSER=3892447 WS=6 43 12.998839 192.168.84.56 192.168.80.150 TCP 58110 > mysql [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=3892447 TSER=477104811 44 12.999340 192.168.80.150 192.168.84.56 MySQL Server Greeting proto=10 version=5.0.51a-24+lenny3 45 12.999384 192.168.84.56 192.168.80.150 TCP 58110 > mysql [ACK] Seq=1 Ack=68 Win=5888 Len=0 TSV=3892448 TSER=477104811 46 13.002513 192.168.84.56 192.168.80.150 MySQL Login Request user=rduser db=Rivendell 47 13.006697 192.168.80.150 192.168.84.56 TCP mysql > 58110 [ACK] Seq=68 Ack=75 Win=5824 Len=0 TSV=477104813 TSER=3892448 48 13.006794 192.168.80.150 192.168.84.56 MySQL Response OK 49 13.006955 192.168.84.56 192.168.80.150 MySQL Request Use Database 50 13.009885 192.168.80.150 192.168.84.56 MySQL Response OK 51 13.011174 192.168.84.56 192.168.80.150 MySQL Request Query 52 13.012528 192.168.80.150 192.168.84.56 MySQL Response 53 13.012980 192.168.84.56 192.168.80.150 MySQL Request Query 54 13.013149 192.168.80.150 192.168.84.56 MySQL Response 55 13.050945 192.168.84.56 192.168.80.150 TCP 58110 > mysql [ACK] Seq=143 Ack=258 Win=5888 Len=0 TSV=3892461 TSER=477104814 63 13.392248 192.168.84.56 192.168.80.150 MySQL Request Query 64 13.392849 192.168.80.150 192.168.84.56 MySQL Response 65 13.393122 192.168.84.56 192.168.80.150 TCP 39416 > mysql [ACK] Seq=65 Ack=102 Win=175 Len=0 TSV=3892546 TSER=477104909 ******************************************************************************* voici maintenant meme resultat sur la SID le lancement de l'appli est indiqué à la trame 65017.027... meme "serveur" (192.168.80.150) client en 192.168.84.102 meme filtrage, apparition de l'appli à la trame commençant par 206, No. Time Source Destination Protocol Info 11 3.185995 192.168.84.102 192.168.80.150 MySQL Request Query 12 3.186281 192.168.80.150 192.168.84.102 MySQL Response 13 3.186313 192.168.84.102 192.168.80.150 TCP 56217 > mysql [ACK] Seq=28 Ack=85 Win=209 Len=0 TSV=2168437 TSER=476841220 65 17.027146 192.168.84.102 192.168.80.150 TCP 42405 > mysql [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=2171897 TSER=0 WS=6 66 17.027289 192.168.80.150 192.168.84.102 TCP mysql > 42405 [SYN, ACK] Seq=0 Ack=1 Win=5792 Len=0 MSS=1460 TSV=476844680 TSER=2171897 WS=6 67 17.027309 192.168.84.102 192.168.80.150 TCP 42405 > mysql [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=2171897 TSER=476844680 98 22.030789 192.168.80.150 192.168.65.100 DNS Standard query PTR 102.84.168.192.in-addr.arpa 142 32.927377 192.168.84.102 192.168.80.150 MySQL Request Query 143 32.927613 192.168.80.150 192.168.84.102 MySQL Response 144 32.927638 192.168.84.102 192.168.80.150 TCP 56322 > mysql [ACK] Seq=28 Ack=85 Win=364 Len=0 TSV=2175872 TSER=476848655 145 33.038158 192.168.80.150 192.168.65.100 DNS Standard query PTR 102.84.168.192.in-addr.arpa 173 39.145998 192.168.80.150 224.0.0.251 MDNS Standard query PTR 102.84.168.192.in-addr.arpa, "QM" question 176 40.150012 192.168.80.150 224.0.0.251 MDNS Standard query PTR 102.84.168.192.in-addr.arpa, "QM" question 182 42.158187 192.168.80.150 224.0.0.251 MDNS Standard query PTR 102.84.168.192.in-addr.arpa, "QM" question 186 43.853017 192.168.80.150 192.168.87.255 NTP NTP broadcast 187 44.050100 192.168.80.150 192.168.84.102 MySQL Server Greeting proto=10 version=5.0.51a-24+lenny3 188 44.050141 192.168.84.102 192.168.80.150 TCP 42405 > mysql [ACK] Seq=1 Ack=68 Win=5888 Len=0 TSV=2178652 TSER=476851436 189 44.051030 192.168.84.102 192.168.80.150 MySQL Login Request user=rduser db=Rivendell 190 44.051143 192.168.80.150 192.168.84.102 TCP mysql > 42405 [ACK] Seq=68 Ack=75 Win=5824 Len=0 TSV=476851436 TSER=2178653 191 44.051225 192.168.80.150 192.168.84.102 MySQL Response OK 192 44.051283 192.168.84.102 192.168.80.150 MySQL Request Use Database 193 44.051402 192.168.80.150 192.168.84.102 MySQL Response OK 194 44.051627 192.168.84.102 192.168.80.150 MySQL Request Query 195 44.051772 192.168.80.150 192.168.84.102 MySQL Response 196 44.052084 192.168.84.102 192.168.80.150 MySQL Request Query 197 44.052207 192.168.80.150 192.168.84.102 MySQL Response 198 44.090467 192.168.84.102 192.168.80.150 TCP 42405 > mysql [ACK] Seq=143 Ack=258 Win=5888 Len=0 TSV=2178663 TSER=476851436 204 44.149024 192.168.84.102 192.168.80.150 MySQL Request Query 205 44.149252 192.168.80.150 192.168.84.102 MySQL Response 206 44.149304 192.168.84.102 192.168.80.150 TCP 56217 > mysql [ACK] Seq=88 Ack=186 Win=209 Len=0 TSV=2178677 TSER=476851460 ************************************************************************** merci par avance pour vos lumières.