Ciao prova ad aggiungere in /etc/sysctl.conf queste linee net.ipv4.tcp_syncookies = 1 net.ipv4.tcp_window_scaling = 0 net.ipv4.tcp_ecn= 0
2010/1/19 Giuseppe Cicalini <cic...@gmail.com>: > Ezio Da Rin ha scritto: >> sulla stessa macchina con lenny (quindi stesso router e stesso provider): >> >> - con konqueror: no >> - con iceweasel: no >> - con ie da xp su virtualbox: si >> - altra macchina in rete con ie su win98: si >> > > Prova simile, con squeeze. > > - Iceweasel, Epiphany: no > - Firefox, IE8, Safari, Chrome (vbox xp): sì > > ho catturato il traffico con wireshark durante le richieste, sembra che > l'errore sia dovuto ad una serie di pacchetti tcp che non riesce ad > interpretare. purtroppo non so come andare oltre. > > Giuseppe > > Virtualbox -> XP -> Firefox > > No. Time Source Destination Protocol Info > 545 29.857981 192.168.9.22 77.238.3.50 HTTP GET > /campus/ HTTP/1.1 > 546 29.857999 192.168.9.22 77.238.3.50 HTTP [TCP > Out-Of-Order] GET /campus/ HTTP/1.1 > 547 29.938597 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 548 29.951684 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 549 29.956217 192.168.9.22 77.238.3.50 TCP > adobeserver-2 > http [ACK] Seq=581 Ack=2905 Win=64240 Len=0 > 550 29.956235 192.168.9.22 77.238.3.50 TCP [TCP > Dup ACK 549#1] adobeserver-2 > http [ACK] Seq=581 Ack=2905 Win=64240 Len=0 > 551 30.023563 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 552 30.033710 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 553 30.038728 192.168.9.22 77.238.3.50 TCP > adobeserver-2 > http [ACK] Seq=581 Ack=5809 Win=64240 Len=0 > 554 30.038753 192.168.9.22 77.238.3.50 TCP [TCP > Dup ACK 553#1] adobeserver-2 > http [ACK] Seq=581 Ack=5809 Win=64240 Len=0 > 555 30.046509 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 556 30.105656 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 557 30.106762 192.168.9.22 77.238.3.50 TCP > adobeserver-2 > http [ACK] Seq=581 Ack=8713 Win=64240 Len=0 > 558 30.106789 192.168.9.22 77.238.3.50 TCP [TCP > Dup ACK 557#1] adobeserver-2 > http [ACK] Seq=581 Ack=8713 Win=64240 Len=0 > 559 30.118669 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 560 30.128583 77.238.3.50 192.168.9.22 TCP [TCP > segment of a reassembled PDU] > 561 30.129607 192.168.9.22 77.238.3.50 TCP > adobeserver-2 > http [ACK] Seq=581 Ack=11617 Win=64240 Len=0 > 562 30.129623 192.168.9.22 77.238.3.50 TCP [TCP > Dup ACK 561#1] adobeserver-2 > http [ACK] Seq=581 Ack=11617 Win=64240 Len=0 > 563 30.161024 77.238.3.50 192.168.9.22 HTTP > HTTP/1.1 200 OK (text/html) > > Squeeze (2.6.30-2-amd64)-> Iceweasel > > No. Time Source Destination Protocol Info > 939 89.056139 192.168.9.20 77.238.3.50 HTTP GET > /campus/ HTTP/1.1 > 940 89.124651 77.238.3.50 192.168.9.20 HTTP [TCP > Previous segment lost] Continuation or non-HTTP traffic > 941 89.124693 192.168.9.20 77.238.3.50 TCP [TCP > Dup ACK 939#1] 50702 > http [ACK] Seq=430 Ack=1 Win=5888 Len=0 TSV=1021627 > TSER=0 SLE=2897 SRE=2905 > 942 89.353824 77.238.3.50 192.168.9.20 HTTP [TCP > Retransmission] Continuation or non-HTTP traffic > 943 89.353863 192.168.9.20 77.238.3.50 TCP [TCP > Dup ACK 939#2] 50702 > http [ACK] Seq=430 Ack=1 Win=5888 Len=0 TSV=1021684 > TSER=0 SLE=2897 SRE=2905 SLE=2897 SRE=2905 > 944 89.812612 77.238.3.50 192.168.9.20 HTTP [TCP > Retransmission] Continuation or non-HTTP traffic > 945 89.812650 192.168.9.20 77.238.3.50 TCP [TCP > Dup ACK 939#3] 50702 > http [ACK] Seq=430 Ack=1 Win=5888 Len=0 TSV=1021799 > TSER=0 SLE=2897 SRE=2905 SLE=2897 SRE=2905 > 950 103.613262 77.238.3.50 192.168.9.20 TCP http > > 50702 [RST] Seq=1449 Win=65535 Len=0 TSV=284400836 TSER=1021799 > > -- Per REVOCARE l'iscrizione alla lista, inviare un email a debian-italian-requ...@lists.debian.org con oggetto "unsubscribe". Per problemi inviare un email in INGLESE a listmas...@lists.debian.org To UNSUBSCRIBE, email to debian-italian-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org