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Thread: DNS error

  1. #1
    Join Date
    Jun 2013
    Beans
    4

    Unhappy DNS error

    i am new to Ubuntu.I use ubuntu 12.04.my network manager detected my 3g dongle well,but then it doesn't detect my huawei E303 dongle and i cant connect with internet ,then i installed wvdial and it detects my dongle.But when i try to connect to internet chrome shows error 105(dns error) and firefox also,but i can use skype without any problem,

    here is my wvdial.conf



    [Dialer Defaults]
    Init1 = ATZ
    Init2 = ATQ0 V1 E1 S0=0 &C1 &D2
    Init3 = AT+CGDCONT=1,"IP","mobitel3g"
    Auto DNS = 1
    Password = { }
    Phone = *99***1#
    Modem Type = Analog Modem
    Stupid Mode = 1
    Baud = 9600
    ;Baud = 9600
    Dial Command = ATDT
    Modem = /dev/ttyUSB_utps_modem
    ISDN = 0
    Username = { }
    Carrier Check = yes
    Check DNS = 1
    First DNS = 1
    Second DNS = 1

    my resolv.conf is empty

    here is my networkmanager.conf

    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq


    no-auto-default=38:60:77:06:6B:97,


    [ifupdown]
    managed=false


    i tried lot of things by refering forums,but i couldn,t solve this,if someone can help me ,
    Last edited by Randika srimal; June 13th, 2013 at 11:43 AM.

  2. #2
    Join Date
    Jul 2011
    Location
    South-Africa
    Beans
    678
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: DNS error

    Hay,

    Strange, but try changing these lines as follow:

    Code:
    First DNS = 8.8.8.8
     Second DNS = 8.8.4.4
    and see if that helps.

    If not, then you can try adding a manual DNS entry.

    Also try accessing the internet through a IP rather.

    Open a browser window and enter this in the address bar:
    http://165.165.38.151

    This is one of the many IP adresses for google.

    Cheers
    Switched away from windows XP to Ubuntu 9.04. Never turned around to look back.

  3. #3
    Join Date
    Jun 2013
    Beans
    4

    Re: DNS error

    I added first and second dns as you said,but it doesn't work,but when I entered that ip ,I could go to google,but can't go through any link,i appriciate your reply,thanks so much,but I want much help to fix this,thanks

  4. #4
    Join Date
    Nov 2008
    Location
    Storybrooke
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: DNS error

    try
    Code:
    sudo nano /etc/resolv.conf
    Place the following inside (Level 3 Nameservers)

    Code:
    nameserver 209.244.0.3
    nameserver 209.244.0.4
    Press control+x to save.
    Ubuntu Forums Moderation Staff
    Okay then. We're relying on mirror dust and fairies but now we have a plan which is progress - Emma

  5. #5
    Join Date
    Jun 2013
    Beans
    4

    Re: DNS error

    Thanks,but it doesn't work,These are codes that display on terminal wen i run wvdial

    Code:
    --> WvDial: Internet dialer version 1.61
    --> Initializing modem.
    --> Sending: ATZ
    OK
    --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2
    OK
    --> Sending: AT+CGDCONT=1,"IP","mobitel3g"
    AT+CGDCONT=1,"IP","mobitel3g"
    OK
    --> Modem initialized.
    --> Sending: ATDT*99***1#
    --> Waiting for carrier.
    ATDT*99***1#
    CONNECT
    --> Carrier detected.  Starting PPP immediately.
    --> Starting pppd at Thu Jun 13 08:24:00 2013
    --> Pid of pppd: 5000
    --> Using interface ppp0
    --> pppd: �[7f]
    --> pppd: �[7f]
    --> pppd: �[7f]
    --> pppd: �[7f]
    --> pppd: �[7f]
    --> local  IP address 10.224.134.125
    --> pppd: �[7f]
    --> remote IP address 10.64.64.64
    --> pppd: �[7f]
    --> primary   DNS address 172.19.70.210
    --> pppd: �[7f]
    --> secondary DNS address 172.19.70.211
    --> pppd: �[7f]

  6. #6
    Join Date
    Jun 2013
    Beans
    4

    Re: DNS error

    Thanks every one for try to support me.I updated my libraries and network manager through update manager,now everithing is fine

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