I have install wu-ftp, but I am going to change to proftp
how can I remove wu-ftp?

[root@cp root]# rpm -ivh ftp://ftp.servus.at/ProFTPD/distrib/packages/RPMS/proftpd-1.2.9-1.9.i386.rpm
Retrieving ftp://ftp.servus.at/ProFTPD/distrib/packages/RPMS/proftpd-1.2.9-1.9.i386.rpm
Preparing... ########################################### [100%]
file /etc/pam.d/ftp from install of proftpd-1.2.9-1.9 conflicts with file from package wu-ftpd-2.6.1-0.6x.21
file /usr/bin/ftpcount from install of proftpd-1.2.9-1.9 conflicts with file from package wu-ftpd-2.6.1-0.6x.21
file /usr/bin/ftpwho from install of proftpd-1.2.9-1.9 conflicts with file from package wu-ftpd-2.6.1-0.6x.21
file /usr/sbin/ftpshut from install of proftpd-1.2.9-1.9 conflicts with file from package wu-ftpd-2.6.1-0.6x.21

try
"rpm -e wu-ftpd-2.6.1-0.6x.21"

-e, --erase=<package>+ erase (uninstall) package

thanx