Migrate mail,ftp,squid and firewall to new server
 

now i am using centos 3 in a dell server now in that server i am running sendmail squid and iptables ftp now i want to migrate the server in to new dell server running in centos 5 how can i do that i need mail box in old server and user names and password and squid settings and firewall rules

please any one help me on this issue