version "7.3"; groups {
    global {
        system {
            host-name router1;
            domain-name customer.net;
            domain-search [ customer.net ];
            backup-router 192.168.124.254;
            name-server {
                172.17.28.11;
                172.17.28.101;
                172.17.28.100;
                172.17.28.10;
            }
            login {
                user regress {
                    uid 928;
                    class ;
                    shell csh;
                    authentication {
                        encrypted-password "$1$kPU..$w.4FGRAGanJ8U4Yq6sbj7."; ## SECRET-DATA
                    }
                }
            }
            services {
                ftp;
                rlogin;
                rsh;
                telnet;
            }
        }
    }
....