Стоит DSL-модем-роутер, к нему подключён только мой компьютер.
Не открываются сайты (те, которые были замечены мной в связи с проблемой): google.com (и всё с ним связанное), debian.org. В Windows (vbox) всё нормально открывается. Понижение MTU не помогает.
Код: Выделить всё
%=> ping google.com -c10
PING google.com (74.125.232.84) 56(84) bytes of data.
64 bytes from google.com (74.125.232.84): icmp_seq=1 ttl=56 time=15.6 ms
64 bytes from google.com (74.125.232.84): icmp_seq=2 ttl=56 time=15.7 ms
64 bytes from google.com (74.125.232.84): icmp_seq=3 ttl=56 time=16.4 ms
64 bytes from google.com (74.125.232.84): icmp_seq=4 ttl=56 time=15.5 ms
64 bytes from google.com (74.125.232.84): icmp_seq=5 ttl=56 time=15.7 ms
64 bytes from google.com (74.125.232.84): icmp_seq=6 ttl=56 time=16.1 ms
64 bytes from google.com (74.125.232.84): icmp_seq=7 ttl=56 time=15.1 ms
64 bytes from google.com (74.125.232.84): icmp_seq=8 ttl=56 time=15.6 ms
64 bytes from google.com (74.125.232.84): icmp_seq=9 ttl=56 time=24.4 ms
64 bytes from google.com (74.125.232.84): icmp_seq=10 ttl=56 time=17.4 ms
--- google.com ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9039ms
rtt min/avg/max/mdev = 15.168/16.795/24.423/2.619 msКод: Выделить всё
%=> telnet google.com 80
Trying 74.125.232.83...
Connected to google.com.
Escape character is '^]'.
^[
HTTP/1.0 400 Bad Request
Content-Type: text/html; charset=UTF-8
Content-Length: 1350
Date: Mon, 14 Mar 2011 13:21:54 GMT
Server: GFE/2.0
<html><head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title>400 Bad Request</title>
<style><!--
body {font-family: arial,sans-serif}
div.nav {margin-top: 1ex}
div.nav A {font-size: 10pt; font-family: arial,sans-serif}
span.nav {font-size: 10pt; font-family: arial,sans-serif; font-weight: bold}
div.nav A,span.big {font-size: 12pt; color: #0000cc}
div.nav A {font-size: 10pt; color: black}
A.l:link {color: #6f6f6f}
A.u:link {color: green}
//--></style>
<script><!--
var rc=400;
//-->
</script>
</head>
<body text=#000000 bgcolor=#ffffff>
<table border=0 cellpadding=2 cellspacing=0 width=100%><tr><td rowspan=3 width=1% nowrap>
<b><font face=times color=#0039b6 size=10>G</font><font face=times color=#c41200 size=10>o</font><font face=times color=#f3c518 size=10>o</font><font face=times color=#0039b6 size=10>g</font><font face=times color=#30a72f size=10>l</font><font face=times color=#c41200 size=10>e</font> </b>
<td> </td></tr>
<tr><td bgcolor="#3366cc"><font face=arial,sans-serif color="#ffffff"><b>Error</b></td></tr>
<tr><td> </td></tr></table>
<blockquote>
<H1>Bad Request</H1>
Your client has issued a malformed or illegal request.
<p>
</blockquote>
<table width=100% cellpadding=0 cellspacing=0><tr><td bgcolor="#3366cc"><img alt="" width=1 height=4></td></tr></table>
</body></html>
Connection closed by foreign host.Код: Выделить всё
%=>sudo tcpdump -i eth0 | grep google
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
17:03:23.181270 IP albatron-865.local.46252 > ZXDSL831.home.domain: 38770+ AAAA? www.google.com. (32)
17:03:23.183289 IP albatron-865.local.38816 > ZXDSL831.home.domain: 8575+ A? www.google.com. (32)
17:03:23.185268 IP ZXDSL831.home.domain > albatron-865.local.38816: 8575- 1/0/0 A www.google.com (48)
17:03:23.186330 IP albatron-865.local.40788 > www.google.com.www: S 3594495077:3594495077(0) win 5840 <mss 1460,sackOK,timestamp 1879931 0,nop,wscale 6>
17:03:26.184029 IP albatron-865.local.40788 > www.google.com.www: S 3594495077:3594495077(0) win 5840 <mss 1460,sackOK,timestamp 1880681 0,nop,wscale 6>
17:03:32.184030 IP albatron-865.local.40788 > www.google.com.www: S 3594495077:3594495077(0) win 5840 <mss 1460,sackOK,timestamp 1882181 0,nop,wscale 6>
17:03:44.184031 IP albatron-865.local.40788 > www.google.com.www: S 3594495077:3594495077(0) win 5840 <mss 1460,sackOK,timestamp 1885181 0,nop,wscale 6>
17:04:08.184031 IP albatron-865.local.40788 > www.google.com.www: S 3594495077:3594495077(0) win 5840 <mss 1460,sackOK,timestamp 1891181 0,nop,wscale 6>
17:04:56.184033 IP albatron-865.local.40788 > www.google.com.www: S 3594495077:3594495077(0) win 5840 <mss 1460,sackOK,timestamp 1903181 0,nop,wscale 6>
356 packets captured
356 packets received by filter
0 packets dropped by kernelПомогите, пожалуйста, разобраться с ситуацией.
