Obviously name resolution does not work, are you able to browse 
the web with your favorite browser?
Wasn't the error message "can''t resolve hostname to IP address"?
Try to set both connection properties DNS server and default gateway
in Windows to the IP of the router.

Arno Garrels

Joseph A Benson wrote:
> Hello
> I am looking for some assistance regarding the use of HttpCli over a
> wireless LAN.
> I started using ICS recently from C++ Builder (5 Professional) as a
> more reliable alternative to the Netmasters components - in
> particular I used HttpCli successfully on a single computer connected
> to the internet. 
> Last week I setup a home wireless network using a linksys access point
> to share my broadband connection - everything works OK and I have
> internet access and file sharing for all computers. I have since
> discovered that my program built using HttpCli does not work anymore,
> if run on any of the wirelessly connected computers, but works fine
> on my main PC (PC1) which is wired directly to the router.
> Home Network Setup :
> Linksys Router/Access Point/broadband connection -
> PC1 - wired connection to router -
> PC2 - wireless connection to router -
> PC3     ...                                    .102 etc
> All the PCs run Windows XP SP2 with full updates, and the networking
> equipment is all from Linksys (router is a WAG200G).
> When run on any PC > PC1 Httpprot.pas throws an exception when
> attempting to do a Get() - it returns a 400 with error message "cannot
> resolve IP address". I have run the "httptst" sample program supplied
> with ICS and I get the same error.
> To fix the problem I have tried changing various properties of the
> HttpCli, e.g. setting the routers address as proxy,username/password,
> but without any luck. I looked for some differences between the
> computers setups - all Ifound was that the wired computer PC1 had "no
> proxy" in its browserconnection settings, while PC2 has "automatically
> detect proxy settings". I have *not* tried changing any settings on
> the router itself, as to be frank, I am not very knowledgeable of it,
> and it seems to be working OK, apart from this.
> I have been checking the archives and while there are some similar
> queries, none quite seems to have the answer I need - e.g.
> http://lists.elists.org/pipermail/twsocket/2001-December/012228.html
> http://lists.elists.org/pipermail/twsocket/2004-January/024221.html
> http://lists.elists.org/pipermail/twsocket/2006-March/033175.html
> I am going to have a look at the ICS user-created sample code, some of
> which looks promising - i.e. iphelp, socketspy, proxyinfo and
> traceroute - but any immediate answers would be greatly appreciated.
> regards
> Joseph Benson
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