Hi Mikkel > > I've got an weird problem: When one of my physical interfaces are up, firefox > > starts but seems not connecting to X, so it isn't shown. > > > > Any tip or way to debug this problem ? > > > If Firefox the only program that gives you problems when the > interface is up? If so, have you tried giving it 2 minutes or so > before giving up on it? If non-network programs also give you > problems, then I would check your hostname before and after bringing > up the interface, as well as the IP address it resolves to. > If waiting eventually gets you Firefox, then I would suspect a DNS > problem while Firefox is trying to check on updates for your > extensions. The DNS timeout is normally about 90 seconds. I've already tested DNS resolution with dig. But you give me a tip to discover. The problem was that here at work we use a proxy, which I had to add it at firefox configuration. The bad thing is that I had to wait about 6 minutes to firefox be shown. Thanks a lot for you answer Lucas Brasilino
