Description of problem: Unable to authenticate as client of captive portal wifi; e.g. unable to connect at Starbucks or at the New York Public Library. Wifi connection is clearly made (for example, DHCP installs /etc/resolv.conf; at Starbucks nslookup requests for domain name resolution are answered), but the login portal is never received (i.e., I never receive a Web page inviting "Starbucks login"). Login to unsecured wifi succeeds consistently. Problem is present both with Firefox and Seamonkey browsers.
Version-Release number of selected component (if applicable): Fedora 13, was upgraded as of August 7, 2010 (with "yum upgrade"). Kernel version 220.127.116.11-147.2.4.fc13.x86_64
How reproducible: It happens all the time, that is, I am never receive the login portal Web page, even though wifi connection is always made.
Steps to Reproduce:
Additional info: My laptop is a Toshiba Satellite, A205-S50. Wireless Network Adapter is Atheros AR5001, though I fail to see how this would be related to the problem. I also did a Ubuntu Lucid Netbook Edition installation on an EeePC 1011HAB, where I did not have problems with captive portal authentication (both Firefox and Seamonkey is able to establish authentication).
Actually, both Fedora 13 and Ubuntu Lucid (Ubuntu 10.4) seems to have a DHCP problem that I have a workaround for. For example, in Fedora 13, before a DHCP wifi connection is made, I replace the file /var/lib/dhclient/dhclient-wlan0.leases with a file that has as its only content
Before I started doing this, after a number of DHCP wifi connections to various
servers, no more DHCP leases could be obtained. I needed to add a similar fix in Ubuntu Lucid.
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