Date: Wed, 25 Feb 2015 22:29:55 +0200 From: Ercan Deger <ercandeger76@gmail.com> To: freebsd-net@freebsd.org Subject: Cant Access Web site Message-ID: <CAKjZa6Xg5805QdzJD23PBrKSQKNoiLa%2BphXwbd-fXvyMHc80rw@mail.gmail.com>
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Dear All, I am using freebsd 7 as router, I have strange problem while accessing a site when I try to access via browser from windows pc behind freebsd kernel nat waiting and not opening site, I can access site from other places I can access via telnet [root@proxy ]# telnet 85.96.190.177 81 Trying 85.96.190.177... Connected to 85.96.190.177.static.ttnet.com.tr. Escape character is '^]'. I added second wan (DSL) and route to site from dsl link I can access also without problem tcpdump log is; 21:38:00.903848 IP (tos 0x0, ttl 51, id 0, offset 0, flags [DF], proto TCP (6), length 52) 85.96.xx.xx.81 > 213.14.xx.xx.64886: S, cksum 0x874b (correct), 2875126544:2875126544(0) ack 2564833079 win 14600 <mss 1452,nop,nop,sackOK,nop,wscale 2> 21:38:00.904910 IP (tos 0x0, ttl 51, id 0, offset 0, flags [DF], proto TCP (6), length 40) 85.96.xx.xx.81 > 213.14.xx.xx.64883: R, cksum 0xda56 (correct), 3424964916:3424964916(0) win 0 21:38:00.904954 IP (tos 0x0, ttl 51, id 0, offset 0, flags [DF], proto TCP (6), length 52) 85.96.xx.xx.81 > 213.14.xx.xx.64887: S, cksum 0x8afa (correct), 2281919230:2281919230(0) ack 4103381824 win 14600 <mss 1452,nop,nop,sackOK,nop,wscale 2> 21:38:01.207088 IP (tos 0x0, ttl 51, id 48134, offset 0, flags [DF], proto TCP (6), length 40) 85.96.xx.xx.81 > 213.14.xx.xx.64886: ., cksum 0xf175 (correct), 1:1(0) ack 354 win 3650 21:38:01.357109 IP (tos 0x0, ttl 51, id 48135, offset 0, flags [DF], proto TCP (6), length 57) 85.96.xx.xx.81 > 213.14.xx.xx.64886: P, cksum 0x3198 (correct), 1:18(17) ack 354 win 3650 21:38:01.389613 IP (tos 0x0, ttl 51, id 48136, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 18:1470(1452) ack 354 win 3650 21:38:01.389701 IP (tos 0x0, ttl 51, id 48136, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.402883 IP (tos 0x0, ttl 51, id 48137, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 1478:2930(1452) ack 354 win 3650 21:38:01.403904 IP (tos 0x0, ttl 51, id 48137, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.417175 IP (tos 0x0, ttl 51, id 48138, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 2938:4390(1452) ack 354 win 3650 21:38:01.418196 IP (tos 0x0, ttl 51, id 48138, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.431607 IP (tos 0x0, ttl 51, id 48139, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 4398:5850(1452) ack 354 win 3650 21:38:01.431657 IP (tos 0x0, ttl 51, id 48139, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.445760 IP (tos 0x0, ttl 51, id 48140, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 5858:7310(1452) ack 354 win 3650 21:38:01.445811 IP (tos 0x0, ttl 51, id 48140, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.460053 IP (tos 0x0, ttl 51, id 48141, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 7318:8770(1452) ack 354 win 3650 21:38:01.460103 IP (tos 0x0, ttl 51, id 48141, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.473314 IP (tos 0x0, ttl 51, id 48142, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 8778:10230(1452) ack 354 win 3650 21:38:01.474336 IP (tos 0x0, ttl 51, id 48142, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:01.480460 IP (tos 0x0, ttl 51, id 48143, offset 0, flags [DF], proto TCP (6), length 664) 85.96.xx.xx.81 > 213.14.xx.xx.64886: FP 10238:10862(624) ack 354 win 3650 21:38:02.044104 IP (tos 0x0, ttl 51, id 48144, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 18:1470(1452) ack 354 win 3650 21:38:02.044215 IP (tos 0x0, ttl 51, id 48144, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:03.063015 IP (tos 0x0, ttl 51, id 48145, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 18:1470(1452) ack 354 win 3650 21:38:03.064036 IP (tos 0x0, ttl 51, id 48145, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:05.103427 IP (tos 0x0, ttl 51, id 48146, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 18:1470(1452) ack 354 win 3650 21:38:05.104448 IP (tos 0x0, ttl 51, id 48146, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:09.193863 IP (tos 0x0, ttl 51, id 48147, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 18:1470(1452) ack 354 win 3650 21:38:09.193915 IP (tos 0x0, ttl 51, id 48147, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:17.363864 IP (tos 0x0, ttl 51, id 48148, offset 0, flags [+], proto TCP (6), length 1492) 85.96.xx.xx.81 > 213.14.xx.xx.64886: . 18:1470(1452) ack 354 win 3650 21:38:17.364885 IP (tos 0x0, ttl 51, id 48148, offset 1472, flags [none], proto TCP (6), length 28) 85.96.xx.xx > 213.14.xx.xx: tcp 21:38:20.954233 IP (tos 0x0, ttl 51, id 7656, offset 0, flags [DF], proto TCP (6), length 626) 85.96.xx.xx.81 > 213.14.xx.xx.64887: P 1:587(586) ack 2 win 3650 21:38:20.954278 IP (tos 0x0, ttl 51, id 7657, offset 0, flags [DF], proto TCP (6), length 40) 85.96.xx.xx.81 > 213.14.xx.xx.64887: F, cksum 0xf439 (correct), 587:587(0) ack 2 win 3650 what can be the problem? Best Regards,
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