El miÃ, 26 de 01 de 2005 a las 01:05, seberino@xxxxxxxxxxxxxxx escribiÃ: > I'm only allowing TCP out of my firewall. > > What apps/protocls need UDP? > > DNS, IMAP, SSH, etc.? DNS needs UDP for sure. > > I dunno if I need to allow UDP for anything. Just for DNS if you don't have more protocols like NFS or the like that use the UDP. Make a lsof -i and look at the daemons you have and if they are listening to UDP or TCP ports, or consult the /etc/services list to know if your services need UDP or not. > chris Regards. -- Jose Maria Lopez Hernandez Director Tecnico de bgSEC jkerouac@xxxxxxxxx bgSEC Seguridad y Consultoria de Sistemas Informaticos http://www.bgsec.com ESPAÃA The only people for me are the mad ones -- the ones who are mad to live, mad to talk, mad to be saved, desirous of everything at the same time, the ones who never yawn or say a commonplace thing, but burn, burn, burn like fabulous yellow Roman candles. -- Jack Kerouac, "On the Road"