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renewing IP address?

Discussion in 'Networking' started by Sn0wBoArD3r3, Jul 11, 2006.

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  1. Sn0wBoArD3r3

    Sn0wBoArD3r3 Thread Starter

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    Messages:
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    My friends computer is connected through a LAN connection using wires to connect directly to the main computer. However, when I was at his house, the internet suddenly said "Limited or no connectivity" and then I cannot sign on the internet anymore. I tried to click repair, but it said something about renewing IP address. I didn't touch any of the IP settings yet the internet doesn't work any more. Please help me out!!!!!:( :confused:
     
  2. s0ldi3r

    s0ldi3r

    Joined:
    Feb 20, 2006
    Messages:
    22
    Well , that happend to me and I found that it was a piece of spyware that was doing it called 'WEBHANCER' if you have spybot search and destroy use that and delete it or you should be able to find it in add/ remove programs
     
  3. Sn0wBoArD3r3

    Sn0wBoArD3r3 Thread Starter

    Joined:
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    I don't think that is the case because when I was over, I use Xoftspy (another spy remover) and I scanned the computer and everything but I got disconnected AFTER I did the scans
     
  4. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
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    First Name:
    Wayne
    post an ipconfig /all for both machines also do the ping test and post results

    TWO Methods to do that - some people have problems with ONE----

    ONE ---------------------------------
    start
    run
    cmd
    ipconfig /all

    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste

    TWO -----------------------------------------------

    Start, Run, CMD to open a DOS window and type:

    IPCONFIG /ALL >C:\RESULT.TXT

    Open C:\RESULT.TXT with Notepad and copy/paste the entire results here.


    NEXT lets see if you can get out onto the internet with both names and IP's - its possible the IP number you get back on the first test is different to the one I post {I'm in UK} so use the number you get instead of mine

    ------------------------------------------------
    try ping the name and then the IP see below

    start
    run
    cmd

    C:\Documents and Settings\wayne>ping {the default gateway ipaddress you got above }


    C:\Documents and Settings\wayne>ping google.com
    C:\Documents and Settings\wayne>ping 64.233.187.99
     
  5. silvershield

    silvershield

    Joined:
    Jan 20, 2005
    Messages:
    469
    Do a ipconfig/release and /renew...
    Open up your command prompt and type in ipconfig/release... wait a few seconds and then type in ipconfig/renew...

    If you click on your network icon, and click on the support tab, your probably going to see "Invalid IP Address" or the like...

    Is this correct?

    Can you ping your router AND modem?
     
  6. Sn0wBoArD3r3

    Sn0wBoArD3r3 Thread Starter

    Joined:
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    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Jason>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : jason-b2wxlmv5z
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : SiS 900-Based PCI Fast Ethernet Adap
    ter
    Physical Address. . . . . . . . . : 00-50-2C-04-20-30
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.1.101
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DNS Servers . . . . . . . . . . . : 24.205.1.14
    66.215.64.14
    Lease Obtained. . . . . . . . . . : Tuesday, July 18, 2006 9:51:02 AM
    Lease Expires . . . . . . . . . . : Wednesday, July 19, 2006 9:51:02 AM

    C:\Documents and Settings\Jason>

    well now his internet is back.. however, he can only use AIM and his browser works only once in a while
     
  7. etaf

    etaf Moderator

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    Wayne
    can you do the pings when it works and again when it does not - indicate which is which
     
  8. Sn0wBoArD3r3

    Sn0wBoArD3r3 Thread Starter

    Joined:
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    Messages:
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    etaf:
    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Jason>ping google.com

    Pinging google.com [72.14.207.99] with 32 bytes of data:

    Reply from 72.14.207.99: bytes=32 time=113ms TTL=242
    Reply from 72.14.207.99: bytes=32 time=81ms TTL=242
    Reply from 72.14.207.99: bytes=32 time=87ms TTL=242
    Reply from 72.14.207.99: bytes=32 time=81ms TTL=242

    Ping statistics for 72.14.207.99:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 81ms, Maximum = 113ms, Average = 90ms

    C:\Documents and Settings\Jason>

    i don't know if this still applies to silvershield... but... here it is:
    C:\Documents and Settings\Jason>ipconfig/release

    Windows IP Configuration


    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    IP Address. . . . . . . . . . . . : 0.0.0.0
    Subnet Mask . . . . . . . . . . . : 0.0.0.0
    Default Gateway . . . . . . . . . :

    C:\Documents and Settings\Jason>ipconfig/release

    Windows IP Configuration

    IP Address for adapter Local Area Connection has already been released.

    C:\Documents and Settings\Jason>ipconfig/renew

    Windows IP Configuration


    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    IP Address. . . . . . . . . . . . : 192.168.1.101
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1

    C:\Documents and Settings\Jason>
     
  9. etaf

    etaf Moderator

    Joined:
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    First Name:
    Wayne
    i would like you to ping
    google.com
    and then the number 72.14.207.99

    when it works
    and also when not working

    Looks like you can ping google OK from the above - but was that when everything was working on when it seemed not to be working ??????
     
  10. Sn0wBoArD3r3

    Sn0wBoArD3r3 Thread Starter

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    do you want me to ping google again? and what do you mean by "was that when everything was working on when it seemed not to be working"? the internet still doesnt work. only his instant messaging program is working. I'll tell my friend to ping 72.14.207.99 later... i can't get ahold of him right now
     
  11. etaf

    etaf Moderator

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    Wayne
    just trying to find out exactly what the conditions are

    so you can ping google.com but the only thing working is instant messaging

    it looks like you have a good connection to the interent
    but can you describe how its all connected to the internet
    sounds like ICS
    does the main PC connect OK

    do you have a firewall on the PC or the host PC - sounds like the firewall my be blocking IE program from access the web
    or perhaps a virus/spyware

    can he do a restore to before the problem began on the PC
     
  12. Sn0wBoArD3r3

    Sn0wBoArD3r3 Thread Starter

    Joined:
    Apr 29, 2005
    Messages:
    340
    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Jason>ping 72.14.207.99

    Pinging 72.14.207.99 with 32 bytes of data:

    Reply from 72.14.207.99: bytes=32 time=134ms TTL=242
    Reply from 72.14.207.99: bytes=32 time=153ms TTL=242
    Reply from 72.14.207.99: bytes=32 time=128ms TTL=242
    Reply from 72.14.207.99: bytes=32 time=119ms TTL=242

    Ping statistics for 72.14.207.99:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 119ms, Maximum = 153ms, Average = 133ms

    C:\Documents and Settings\Jason>

    for the ip address...

    as for the main comp it can connect perfectly. even if he had a firewall on either the host computer or router, that wouldnt explain how come his internet just randomly stop working. but his computer currently does not have a firewall. and he attempted to restore his computer but it will not work.
     
  13. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
    65,355
    First Name:
    Wayne
    I'm trying to establish if you can do a ping when the internet is working OK and then also when it stops however, theres a bit of inconsistancy here
    So from this i assumes that IE did not work at all - and therefore could be firewall
    But now its random
    :) :)

    anyway, please post a hjt log and we can get a guru to decode and see if theres any spyware on the PC

    HIJACK THIS:

    Download and copy hijackthis to its own folder , it makes backups so keeping them separate and available can be useful.
    SO DO NOT put hjt onto the desktop or temp files.

    create a directory say my documents/hjt


    Note the Spyware tools websites are very often under attack and so I have provided more than 1 location to download from:


    http://computercops.biz/zx/Merijn/hijackthis.zip
    http://www.merijn.org/files/hijackthis.zip
    http://www.spywareinfo.com/~merijn/files/hijackthis.zip
    http://209.133.47.200/~merijn/downloads.html
    http://www.thespykiller.co.uk/
    http://aumha.org/downloads/hijackthis.exe
    http://www.tomcoyote.org/hjt/
    http://www.majorgeeks.com/download3155.html

    ---------------------------------------------------
     
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