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Thread: Can telnet 80 but not browsing with rt3090 wireless card.

  1. #1
    Join Date
    Jun 2012
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    5

    Can telnet 80 but not browsing with rt3090 wireless card.

    hello,


    I am using Ubuntu 13.04 and Rlink3090 wireless card. Whenever I access to the router, connection is ok and browse any website. But after 3-4 minute later, I can't browse any site with Chrome and Firefox etc.

    The command "telnet site address 80" gives me a normal connection and returns the expected result. Thus I think the problem is browsers and some applications.

    I do not have any proxy neither firewall. I tested the router with the other note book,but it does not have such a problem. The strange thing is that sometime browsing rejuvenates without any further action. I have no idea, how browsing comes back. With rt2800pci and rt3090sta drivers I have the same problem. So, i do not think driver problem. And no power saving problem.

    Whenever browsing with the wireless router(netgear) is blocked, I check it with wired connection and I can browse any site.

    Please help me to solve the wireless browsing issue.

    Thank you in advance.

  2. #2
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    Re: Can telnet 80 but not browsing with rt3090 wireless card.

    I have not idea, but can you run wget / lynx --dump / curl to see what they say about your web connection?

  3. #3
    Join Date
    Jun 2012
    Beans
    5

    Re: Can telnet 80 but not browsing with rt3090 wireless card.

    Thank you for your suggestion.

    The output were taken when the chrome browser failed to get the data.
    Here are the output:

    telnet www.baidu.com 80
    Trying 119.75.217.56...
    Connected to www.a.shifen.com.
    Escape character is '^]'.
    GET /index.htm HTTP/1.0


    HTTP/1.1 200 OK
    Date: Tue, 02 Jul 2013 01:49:15 GMT
    Server: BWS/1.0
    Content-Length: 10427
    Content-Type: text/html;charset=utf-8
    Cache-Control: private
    Set-Cookie: BDSVRTM=3; path=/
    Set-Cookie: H_PS_PSSID=2754_2777_1429_2704_2725_1788_2250; path=/; domain=.baidu.com
    Set-Cookie: BAIDUID=89702D1CA9DF74B564B9ECCE3D3C4A12:FG=1; expires=Tue, 02-Jul-43 01:49:15 GMT; path=/; domain=.baidu.com
    Expires: Tue, 02 Jul 2013 01:49:15 GMT
    P3P: CP=" OTI DSP COR IVA OUR IND COM "
    Connection: Close

    curl -i www.baidu.com
    HTTP/1.1 200 OK
    Date: Tue, 02 Jul 2013 01:47:06 GMT
    Server: BWS/1.0
    Content-Length: 10437
    Content-Type: text/html;charset=utf-8
    Cache-Control: private
    Set-Cookie: BDSVRTM=4; path=/
    Set-Cookie: H_PS_PSSID=1452_2703_1788_2250_2254; path=/; domain=.baidu.com
    Set-Cookie: BAIDUID=8934CE5CFA2952821CAD402F9E7D66B8:FG=1; expires=Tue, 02-Jul-43 01:47:06 GMT; path=/; domain=.baidu.com
    Expires: Tue, 02 Jul 2013 01:47:06 GMT
    P3P: CP=" OTI DSP COR IVA OUR IND COM "
    Connection: Keep-Alive

    wget www.baidu.com
    --2013-07-02 09:45:46-- http://www.baidu.com/
    Resolving www.baidu.com (www.baidu.com)... 119.75.218.77, 119.75.217.56
    Connecting to www.baidu.com (www.baidu.com)|119.75.218.77|:80... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 10447 (10K) [text/html]
    Saving to: ‘index.html.5’


    0% [ ] 0 --.-K/s in 18s


    2013-07-02 09:46:05 (0.00 B/s) - Read error at byte 0/10447 (Connection reset by peer). Retrying.


    --2013-07-02 09:46:06-- (try: 2) http://www.baidu.com/
    Connecting to www.baidu.com (www.baidu.com)|119.75.218.77|:80... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 10447 (10K) [text/html]
    Saving to: ‘index.html.5’


    But lynx --dump www.baidu.com

    Nothing comes up.

    However when the browse is ok, the output is:

    [1]搜索设置|[2]登录[3]注册


    [bdlogo.gif]


    .


    ©2013 Baidu [25]使用百度前必读 京ICP证030173号 [gs.gif]


    References


    1. http://www.baidu.com/gaoji/preferences.html
    2. https://passport.baidu.com/v2/?login...w.baidu.com%2F
    3. https://passport.baidu.com/v2/?reg&r...w.baidu.com%2F
    4. http://news.baidu.com/
    5. http://tieba.baidu.com/
    6. http://zhidao.baidu.com/
    7. http://music.baidu.com/
    8. http://image.baidu.com/
    9. http://video.baidu.com/
    10. http://map.baidu.com/

    This is a Chinese site, you may have scramble characters if you do not install the language pack.

    It seems to me wget, curl, and telnet responded with connection, but not for lynx.

    Any idea to continue testing. Or what is wrong on my system?

  4. #4
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    Re: Can telnet 80 but not browsing with rt3090 wireless card.

    baidu.com ... that makes me a bit suspicous: are you in mainland China? If so, you're behind the Great Firewall?

  5. #5
    Join Date
    Jun 2012
    Beans
    5

    Re: Can telnet 80 but not browsing with rt3090 wireless card.

    I finally found the real reason for the problem. Actually the problem resulted from the damn wireless card (Ralink 3090). It is so sensitive to receive signal from the router. It is only far away 10 m from the router. Every blocked browsing search has gone when I do the job near the router. Bingo! My restless painful job of the last three month has been ended today including installing the new driver(rt3090sta from rt2800pci) and replacing the router. Terrible the chip set Rt3090.

    Thank you for your comment. I wish my experience will help someone in future.

  6. #6
    Join Date
    Jun 2012
    Beans
    5

    Re:[Solved] Can telnet 80 but not browsing with rt3090 wireless card.

    The problem has been solved.

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