On Sat, 31 Mar 2012, Mike Connors wrote:

> It seems you're having problems with wifi AP captive portals. The reason
> you're having a problem with that is that you need the *internal* DNS
> servers that the DHCP server hands out to get name resolution for the
> internal web server that provides the captive portal web page to your
> browser for you to accept the terms & conditions and be authorized on the
> wireless network before you can get connectivity to the internet and your
> static DNS servers.

Mike,

   Allow me to explain again: here we use static IP addresses and hosts, such
as the Sony Vaio, use ethernet. This works fine.

   At external, wifi hot spots, dhcpcd (called by wicd-client, too) not only
gets a dynamic IP address for the portable but the server behind the WAP (if
not the WAP itself, but I don't know the specifics of how it works)
_overwrites_ /etc/resolv.conf and puts in its preferred DNS name servers.
That is, it replaces the contents of resolv.conf that are used here with
whatever the remote site server uses. I don't recall what that was at FG,
but the local coffee shop, part of the NETbean coffee shop wifi-profiding
network, assigned two Google DNS server IP addresses: 8.8.8.8 and 8.8.4.4.
This content of resolv.conf was set by NETbeans, not by me.

   Does this satisfactorily explain the situation?

> What I've done in the past to get around this, is to let the DHCP servers
> overwrite my /etc/resolv.conf file. Once I get connected on the wlan and
> have internet connectivity, I copy /etc/resolv.bak which has my preferred
> public DNS servers over /etc/resolv.conf.

   See above and all previous posts where I keep writing that this is exactly
what happens every time a portable computer is conntected to a wireless
network elsewhere. It's been the case for the 15 or so years I've traveled
with a notebook or laptop and it's just what I keep describing in my
messages.

Rich

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