On Thursday 03 January 2002 12:55, chulmin wrote: > Hello, all. > > I know that only root account bind a port below 1024. > and anyuser except root can bind or use a port above 1024. > But named process uses udp port 53 with named uid. > How can it be possible? > and is it illegal or exception?
bind starts as root, binds the port and then does a seteuid. So it changes it uid during startup. > > Thanks in advance. -- e-admin internet gmbh Andreas Gietl Roter-Brach-Weg 124a tel +49 941 3810884 fax +49 941 3810891 mobil +49 171 6070008
