The problem seems to be a redirection loop between this two addresses: 1) http://web2py.com/demo_admin/default/site 2) http://web2py.com/demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite
Both return 303 and redirect 1 -> 2, and 2 -> 1 until the browser gives up with a message: "Firefox has detected that the server is redirecting the request for this address in a way that will never complete". See attached headers log for details.
http://web2py.com/demo_admin GET /demo_admin HTTP/1.1 Host: web2py.com User-Agent: Mozilla/5.0 (Ubuntu; X11; Linux x86_64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.7,pl;q=0.3 Accept-Encoding: gzip, deflate Accept-Charset: UTF-8,* DNT: 1 Proxy-Connection: keep-alive Cookie: __utma_a2a=1688569230.1329956564.1298399638.1298400133.1298400137.10; session_id_books=123.123.123.123-411d0ab0-e05f-402d-aad5-32a0fc3c745d; session_id_poweredby=123.123.123.123-6f3c9acc-0ebf-4fe1-aaff-e1e3244f7364; session_id_pdfbuy=123.123.123.123-d28a483d-e1a5-4978-86bc-032867d3846b HTTP/1.0 303 See Other Date: Fri, 03 Feb 2012 13:39:05 GMT Server: Apache/2.2.8 (Ubuntu) mod_wsgi/3.2-BRANCH Python/2.5.2 mod_ssl/2.2.8 OpenSSL/0.9.8g Set-Cookie: session_id_demo_admin=123.123.123.123-9e14f731-c4c8-4cd8-856f-c1c8fc08b313; Path=/; secure Location: /demo_admin/default/site Content-Type: text/html; charset=UTF-8 X-Cache: MISS from proxy.example.com X-Cache-Lookup: MISS from proxy.example.com:3128 Via: 1.0 proxy.example.com:3128 (squid/2.6.STABLE6) Proxy-Connection: close ---------------------------------------------------------- http://web2py.com/demo_admin/default/site GET /demo_admin/default/site HTTP/1.1 Host: web2py.com User-Agent: Mozilla/5.0 (Ubuntu; X11; Linux x86_64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.7,pl;q=0.3 Accept-Encoding: gzip, deflate Accept-Charset: UTF-8,* DNT: 1 Proxy-Connection: keep-alive Cookie: __utma_a2a=1688569230.1329956564.1298399638.1298400133.1298400137.10; session_id_books=123.123.123.123-411d0ab0-e05f-402d-aad5-32a0fc3c745d; session_id_poweredby=123.123.123.123-6f3c9acc-0ebf-4fe1-aaff-e1e3244f7364; session_id_pdfbuy=123.123.123.123-d28a483d-e1a5-4978-86bc-032867d3846b HTTP/1.0 303 See Other Date: Fri, 03 Feb 2012 13:39:06 GMT Server: Apache/2.2.8 (Ubuntu) mod_wsgi/3.2-BRANCH Python/2.5.2 mod_ssl/2.2.8 OpenSSL/0.9.8g Set-Cookie: session_id_demo_admin=123.123.123.123-21eeb408-fd78-48f0-90d1-2a3039698189; Path=/; secure Location: /demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite Content-Length: 105 Content-Type: text/html; charset=UTF-8 X-Cache: MISS from proxy.example.com X-Cache-Lookup: MISS from proxy.example.com:3128 Via: 1.0 proxy.example.com:3128 (squid/2.6.STABLE6) Proxy-Connection: keep-alive ---------------------------------------------------------- http://web2py.com/demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite GET /demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite HTTP/1.1 Host: web2py.com User-Agent: Mozilla/5.0 (Ubuntu; X11; Linux x86_64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.7,pl;q=0.3 Accept-Encoding: gzip, deflate Accept-Charset: UTF-8,* DNT: 1 Proxy-Connection: keep-alive Cookie: __utma_a2a=1688569230.1329956564.1298399638.1298400133.1298400137.10; session_id_books=123.123.123.123-411d0ab0-e05f-402d-aad5-32a0fc3c745d; session_id_poweredby=123.123.123.123-6f3c9acc-0ebf-4fe1-aaff-e1e3244f7364; session_id_pdfbuy=123.123.123.123-d28a483d-e1a5-4978-86bc-032867d3846b HTTP/1.0 303 See Other Date: Fri, 03 Feb 2012 13:39:06 GMT Server: Apache/2.2.8 (Ubuntu) mod_wsgi/3.2-BRANCH Python/2.5.2 mod_ssl/2.2.8 OpenSSL/0.9.8g Set-Cookie: session_id_demo_admin=123.123.123.123-5c8046bd-8d1b-49cb-bef8-2ec581ddd334; Path=/; secure Location: /demo_admin/default/site Content-Length: 68 Content-Type: text/html; charset=UTF-8 X-Cache: MISS from proxy.example.com X-Cache-Lookup: MISS from proxy.example.com:3128 Via: 1.0 proxy.example.com:3128 (squid/2.6.STABLE6) Proxy-Connection: keep-alive ---------------------------------------------------------- http://web2py.com/demo_admin/default/site GET /demo_admin/default/site HTTP/1.1 Host: web2py.com User-Agent: Mozilla/5.0 (Ubuntu; X11; Linux x86_64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.7,pl;q=0.3 Accept-Encoding: gzip, deflate Accept-Charset: UTF-8,* DNT: 1 Proxy-Connection: keep-alive Cookie: __utma_a2a=1688569230.1329956564.1298399638.1298400133.1298400137.10; session_id_books=123.123.123.123-411d0ab0-e05f-402d-aad5-32a0fc3c745d; session_id_poweredby=123.123.123.123-6f3c9acc-0ebf-4fe1-aaff-e1e3244f7364; session_id_pdfbuy=123.123.123.123-d28a483d-e1a5-4978-86bc-032867d3846b HTTP/1.0 303 See Other Date: Fri, 03 Feb 2012 13:39:06 GMT Server: Apache/2.2.8 (Ubuntu) mod_wsgi/3.2-BRANCH Python/2.5.2 mod_ssl/2.2.8 OpenSSL/0.9.8g Set-Cookie: session_id_demo_admin=123.123.123.123-1d630c95-dbf5-4097-92b6-6088cc003696; Path=/; secure Location: /demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite Content-Length: 105 Content-Type: text/html; charset=UTF-8 X-Cache: MISS from proxy.example.com X-Cache-Lookup: MISS from proxy.example.com:3128 Via: 1.0 proxy.example.com:3128 (squid/2.6.STABLE6) Proxy-Connection: close ---------------------------------------------------------- http://web2py.com/demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite GET /demo_admin/default/index?send=%2Fdemo_admin%2Fdefault%2Fsite HTTP/1.1 Host: web2py.com User-Agent: Mozilla/5.0 (Ubuntu; X11; Linux x86_64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.7,pl;q=0.3 Accept-Encoding: gzip, deflate Accept-Charset: UTF-8,* DNT: 1 Proxy-Connection: keep-alive Cookie: __utma_a2a=1688569230.1329956564.1298399638.1298400133.1298400137.10; session_id_books=123.123.123.123-411d0ab0-e05f-402d-aad5-32a0fc3c745d; session_id_poweredby=123.123.123.123-6f3c9acc-0ebf-4fe1-aaff-e1e3244f7364; session_id_pdfbuy=123.123.123.123-d28a483d-e1a5-4978-86bc-032867d3846b HTTP/1.0 303 See Other Date: Fri, 03 Feb 2012 13:39:07 GMT Server: Apache/2.2.8 (Ubuntu) mod_wsgi/3.2-BRANCH Python/2.5.2 mod_ssl/2.2.8 OpenSSL/0.9.8g Set-Cookie: session_id_demo_admin=123.123.123.123-5c1950a1-916e-4de6-bee0-d31c5402743b; Path=/; secure Location: /demo_admin/default/site Content-Length: 68 Content-Type: text/html; charset=UTF-8 X-Cache: MISS from proxy.example.com X-Cache-Lookup: MISS from proxy.example.com:3128 Via: 1.0 proxy.example.com:3128 (squid/2.6.STABLE6) Proxy-Connection: keep-alive ----------------------------------------------------------