Router And Switch (L2,L3) Audit Check List

Disable Unneeded Services
Are unused interfaces disabled?	Unused interfaces on the router should be disabled. Router(config-if)# shutdown
Is DNS lookups for the router turned off ?	This client service is enabled by default and is not required on most routers. The following command is used to turn DNS lookup off. Router(config)#no ip domain-lookup
Is TCP small servers and UDP small servers service disabled on the router? {applicable before Cisco IOS 11.3}	These services are rarely used and hence can be disabled. This is disabled by default after Cisco IOS 11.3 Router(config)#no service tcp-small-servers Router(config)#no service udp-small-servers