Digitalbanana Posted July 18, 2010 Posted July 18, 2010 I have access to a True ISP in my office. Whenever the router is rebooted (nLink wifi) and a computer browser is opened the browser is redirected to http://welcome.truelife.com/ web site rather than the url of choice. This only happens on first use, subsequent browser usage goes direct to url chosen. The process repeats whenever the nLink router is rebooted. Can anyone explain what is happening and how to skip the automated redirect to http://welcome.truelife.com/ at start please?
siamect Posted July 18, 2010 Posted July 18, 2010 Basically I see two ways this can be setup. One is to simply return every http request with the one of the service providers home page. The other one is to return a faked DNS record for the first DNS lookup. Normally the DNS setting will grab the DNS server from what the DHCP server is giving. (router is probably the DHCP server in this case) You can probably test this by setting the DNS server to a public one for example 8.8.8.8 in your local computer. How to do this depends on you OS. But is short (I'm not on a MS machine now but from my memory on WInXP it is like this)... Take properties on the network connection and then properties on the tcp/ip protocol. There are two fields for primary and secondary DNS. Fill in 8.8.8.8 in the first field. and then ok until you are out... This will bypass the dns server in your router meaning your router is not in charge of the DNS records.... This may work or not... Maybe someone on an MS machine can give a better description? Martin
sulasno Posted July 18, 2010 Posted July 18, 2010 on WinXP I use DNS Jumper to do the dirty job :-) http://www.sordum.com/?p=4573
siamect Posted July 18, 2010 Posted July 18, 2010 on WinXP I use DNS Jumper to do the dirty job :-) http://www.sordum.com/?p=4573 Don't install unnecessary junk...
Digitalbanana Posted July 19, 2010 Author Posted July 19, 2010 Maybe someone on an MS machine can give a better description? Martin Thanks I hope someone can post the MS procedure to achieve this sometime, as it is rather annoying of True.
welo Posted July 19, 2010 Posted July 19, 2010 It probably uses the same technique as a 'captive portal' in wireless hotspots that require payment. http://en.wikipedia.org/wiki/Captive_portal Wikipedia lists 3 techniques, one of them being the 'DNS poisoning' that one can (probably) work around just like siamect pointed out. I like tools that makes things easy The tool combines a bunch of features into a convenient interface: change DNS settings for all network cards at once, simple performance test, list of public DNS servers. It is listed on Softpedia.com and should be safe, but no 100% guarantee. Of course if I had the source code I would check the code now, but it's not open source (some irony and some truth in that statement) welo
welo Posted July 19, 2010 Posted July 19, 2010 google 'how to change dns server in windows [xp|vista|7]'
siamect Posted July 19, 2010 Posted July 19, 2010 on WinXP I use DNS Jumper to do the dirty job :-) http://www.sordum.com/?p=4573 Don't install unnecessary junk... Sorry when I re-read my own post this sounds awfully rude. I apologize... An earlier version of this software actually did trigger AVG but Sordium say they have corrected that now. Whether this was a false alarm or not we will never know. Martin
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