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Configuring NTP

Proper auditing of log integrity requires the use of accurate timestamps. Audit information in the form of logs sent to separate servers can be compared to detect tampering. JUNOS software for Common Criteria provides accurate timestamping with the use of the Network Time Protocol (NTP).

You configure NTP by including the ntp statement. For example:



[edit system]
ntp {
authentication-key 1 type MD5 
value "$9$EgfcrvX7VY4ZEcwgoHjkP5Q3CuREyv87"; # SECRET-DATA
boot-server 10.10.10.12 ;
server 10.10.10.14 key 1 prefer;
source-address 192.168.77.2;
}

If the source address is configured, it must be a valid IP address configured on one of the router interfaces.

For more information about configuring NTP, see the JUNOS System Basics Configuration Guide or the J-series Services Router Administration Guide.

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