OT - jde vam www.chmi.cz ?

Michal Vyoral michal.vyoral@gmail.com
Čtvrtek Březen 27 23:01:33 CET 2008


Dobry den,

na stranky www.chmi.cz se dostanu z Ubuntu 7.10, jadrem 2.6.22 a zapnutym
priznakem window_scaling.

S pozdravem
Michal Vyoral

P.S.: Podrobnejsi vypis:

ubuntu@ubuntu:/tmp$ cat /etc/issue
Ubuntu 7.10 \n \l
ubuntu@ubuntu:/tmp$ uname -r
2.6.22-14-generic
ubuntu@ubuntu:/tmp$ /sbin/sysctl -a | grep window_scaling
net.ipv4.tcp_window_scaling = 1
ubuntu@ubuntu:/tmp$ firefox -v
Mozilla Firefox 2.0.0.6, Copyright (c) 1998 - 2007 mozilla.org
ubuntu@ubuntu:/tmp$ sudo tcpdump -i ppp0 host 194.228.52.221 -s 1554 -X
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on ppp0, link-type LINUX_SLL (Linux cooked), capture size 1554
bytes
21:44:20.677377 IP 78-136-164-101.client.ufon.cz.46512 > www.chmi.cz.www: S
555514488:555514488(0) win 5840 <mss 1460,sackOK,timestamp 949238
0,nop,wscale 4>
       0x0000:  4500 003c 018e 4000 4006 4e7f 4e88 a465  E..<..@.@.N.N..e
       0x0010:  c2e4 34dd b5b0 0050 211c 7a78 0000 0000  ..4....P!.zx....
       0x0020:  a002 16d0 78ea 0000 0204 05b4 0402 080a  ....x...........
       0x0030:  000e 7bf6 0000 0000 0103 0304            ..{.........
21:44:23.319450 IP www.chmi.cz.www > 78-136-164-101.client.ufon.cz.46512: S
13185574:13185574(0) ack 555514489 win 5840 <mss
1380,nop,nop,sackOK,nop,wscale 0>
       0x0000:  4500 0034 0000 4000 3c06 5415 c2e4 34dd  E..4..@.<.T...4.
       0x0010:  4e88 a465 0050 b5b0 00c9 3226 211c 7a79  N..e.P....2&!.zy
       0x0020:  8012 16d0 e953 0000 0204 0564 0101 0402  .....S.....d....
       0x0030:  0103 0300                                ....
21:44:23.319687 IP 78-136-164-101.client.ufon.cz.46512 > www.chmi.cz.www: .
ack 1 win 365
       0x0000:  4500 0028 018f 4000 4006 4e92 4e88 a465  E..(..@.@.N.N..e
       0x0010:  c2e4 34dd b5b0 0050 211c 7a79 00c9 3227  ..4....P!.zy..2'
       0x0020:  5010 016d 3f32 0000                      P..m?2..
21:44:23.319827 IP 78-136-164-101.client.ufon.cz.46512 > www.chmi.cz.www: P
1:416(415) ack 1 win 365
       0x0000:  4500 01c7 0190 4000 4006 4cf2 4e88 a465  E.....@.@.L.N..e
       0x0010:  c2e4 34dd b5b0 0050 211c 7a79 00c9 3227  ..4....P!.zy..2'
       0x0020:  5018 016d a204 0000 4745 5420 2f20 4854  P..m....GET./.HT
       0x0030:  5450 2f31 2e31 0d0a 486f 7374 3a20 7777  TP/1.1..Host:.ww
       0x0040:  772e 6368 6d69 2e63 7a0d 0a55 7365 722d  w.chmi.cz..User-
       0x0050:  4167 656e 743a 204d 6f7a 696c 6c61 2f35  Agent:.Mozilla/5
       0x0060:  2e30 2028 5831 313b 2055 3b20 4c69 6e75  .0.(X11;.U;.Linu
       0x0070:  7820 6936 3836 3b20 656e 2d55 533b 2072  x.i686;.en-US;.r
       0x0080:  763a 312e 382e 312e 3629 2047 6563 6b6f  v:1.8.1.6).Gecko
       0x0090:  2f32 3030 3731 3030 3820 5562 756e 7475  /20071008.Ubuntu
       0x00a0:  2f37 2e31 3020 2867 7574 7379 2920 4669  /7.10.(gutsy).Fi
       0x00b0:  7265 666f 782f 322e 302e 302e 360d 0a41  refox/2.0.0.6..A
       0x00c0:  6363 6570 743a 2074 6578 742f 786d 6c2c  ccept:.text/xml,
       0x00d0:  6170 706c 6963 6174 696f 6e2f 786d 6c2c  application/xml,
       0x00e0:  6170 706c 6963 6174 696f 6e2f 7868 746d  application/xhtm
       0x00f0:  6c2b 786d 6c2c 7465 7874 2f68 746d 6c3b  l+xml,text/html;
       0x0100:  713d 302e 392c 7465 7874 2f70 6c61 696e  q=0.9,text/plain
       0x0110:  3b71 3d30 2e38 2c69 6d61 6765 2f70 6e67  ;q=0.8,image/png
       0x0120:  2c2a 2f2a 3b71 3d30 2e35 0d0a 4163 6365  ,*/*;q=0.5..Acce
       0x0130:  7074 2d4c 616e 6775 6167 653a 2065 6e2d  pt-Language:.en-
       0x0140:  7573 2c65 6e3b 713d 302e 350d 0a41 6363  us,en;q=0.5..Acc
       0x0150:  6570 742d 456e 636f 6469 6e67 3a20 677a  ept-Encoding:.gz
       0x0160:  6970 2c64 6566 6c61 7465 0d0a 4163 6365  ip,deflate..Acce
       0x0170:  7074 2d43 6861 7273 6574 3a20 4953 4f2d  pt-Charset:.ISO-
       0x0180:  3838 3539 2d31 2c75 7466 2d38 3b71 3d30  8859-1,utf-8;q=0
       0x0190:  2e37 2c2a 3b71 3d30 2e37 0d0a 4b65 6570  .7,*;q=0.7..Keep
       0x01a0:  2d41 6c69 7665 3a20 3330 300d 0a43 6f6e  -Alive:.300..Con
       0x01b0:  6e65 6374 696f 6e3a 206b 6565 702d 616c  nection:.keep-al
       0x01c0:  6976 650d 0a0d 0a                        ive....
21:44:23.320763 IP www.chmi.cz.www > 78-136-164-101.client.ufon.cz.46512: .
ack 416 win 6432
        0x0000:  4500 0028 9968 4000 3c06 bab8 c2e4 34dd  E..(.h@.<.....4.
        0x0010:  4e88 a465 0050 b5b0 00c9 3227 211c 7c18  N..e.P....2'!.|.
        0x0020:  5010 1920 25e0 0000                      P...%...
21:44:23.320901 IP www.chmi.cz.www > 78-136-164-101.client.ufon.cz.46512: P
1:232(231) ack 416 win 6432
        0x0000:  4500 010f 9969 4000 3c06 b9d0 c2e4 34dd  E....i@.<.....4.
        0x0010:  4e88 a465 0050 b5b0 00c9 3227 211c 7c18  N..e.P....2'!.|.
        0x0020:  5018 1920 40c0 0000 4854 5450 2f31 2e31  P...@...HTTP/1.1
        0x0030:  2032 3030 204f 4b0d 0a44 6174 653a 2054  .200.OK..Date:.T
        0x0040:  6875 2c20 3237 204d 6172 2032 3030 3820  hu,.27.Mar.2008.
        0x0050:  3231 3a34 323a 3034 2047 4d54 0d0a 5365  21:42:04.GMT..Se
        0x0060:  7276 6572 3a20 4170 6163 6865 2f32 2e30  rver:.Apache/2.0
        0x0070:  2e35 3420 2855 6e69 7829 2050 4850 2f34  .54.(Unix).PHP/4
        0x0080:  2e34 2e30 0d0a 582d 506f 7765 7265 642d  .4.0..X-Powered-
        0x0090:  4279 3a20 5048 502f 342e 342e 300d 0a4b  By:.PHP/4.4.0..K
        0x00a0:  6565 702d 416c 6976 653a 2074 696d 656f  eep-Alive:.timeo
        0x00b0:  7574 3d31 352c 206d 6178 3d31 3030 0d0a  ut=15,.max=100..
        0x00c0:  436f 6e6e 6563 7469 6f6e 3a20 4b65 6570  Connection:.Keep
        0x00d0:  2d41 6c69 7665 0d0a 5472 616e 7366 6572  -Alive..Transfer
        0x00e0:  2d45 6e63 6f64 696e 673a 2063 6875 6e6b  -Encoding:.chunk
        0x00f0:  6564 0d0a 436f 6e74 656e 742d 5479 7065  ed..Content-Type
        0x0100:  3a20 7465 7874 2f68 746d 6c0d 0a0d 0a    :.text/html....
21:44:23.321434 IP 78-136-164-101.client.ufon.cz.46512 > www.chmi.cz.www: .
ack 232 win 432
        0x0000:  4500 0028 0191 4000 4006 4e90 4e88 a465  E..(..@.@.N.N..e
        0x0010:  c2e4 34dd b5b0 0050 211c 7c18 00c9 330e  ..4....P!.|...3.
        0x0020:  5010 01b0 3c69 0000                      P...<i..
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