Yes, I tried deleting the config files.

With rc5 I can login using firefox but not with opera, konqueror or chromium

papaf wrote:Hi all,
when I enter the (correct) password, I get a flash and the page is simply reloaded, asking for the password again and again.

I have exactly the same problem. I tried konqueror, opera and chromium. It doesn't work in any of them. I tried current svn and 1.2.0_rc4