IOS security
no service call-home
no service config
no service dhcp
no service finger
no service old-slip-prompts
no service pad
service password-encryption
no service pt-vty-logging
service sequence-numbers
no service slave-log
no service tcp-keepalives-in
no service tcp-keepalives-out
no service tcp-small-servers
no service telnet-zeroidle
service timestamps
no service udp-small-servers