Evaluate system file entries. However, each represents a separate circuit. Using Time field entries to restrict connections to specific days of the week or time periods. Both entry types have options which impact network security. Investigate all YES options.
Any legitimate path is an acceptable value.
Any entries without the default values should be reviewed. The ALL value permits the remote node to execute any command. This value should not be allowed. If so, evaluate impact on network security. Determine if the RFS facility is in use.