how to sync clock of Cisco ASA 5505 from NTP Server on internet

[Lasandro Lopez]

Hi there!
i've setup a site, with cisco ASA 5505. It has public ip also.
i want to sync the clock of firewall from on ntp server on internet, or with internal domain controller that is inside LAN.

The firewall has public IP also.
how can i do this?
Regards!

[Julio Carvajal]

Hello Lasandro,

This should do it!

http://www.cisco.com/en/US/docs/security/asa/asa84/configuration/guide/basic_hostname_pw.html#wp1236530

Looking for some Networking Assistance? 
Contact me directly at jcarvaja@laguiadelnetworking.com

I will fix your problem ASAP.

Cheers,

Julio Carvajal Segura
http://laguiadelnetworking.com

[Lasandro Lopez]

Hi Julio.

the link you suggest does not show what i need.

i want to sync with ntp server worlwide, which don't use any key.

let me know if you have something else.

regards!

[vishaw jasrotia · Accepted solution]

Hello,

Please check this.

http://tf.nist.gov/tf-cgi/servers.cgi

Thanks

Vishawdeep Singh

[Lasandro Lopez]

HI vishaw!

i add to my cisco asa some of ntp servers in list you provice, as in picture in attach.

must my cisco asa 5505 now sync it's clock correctly?

are my settings correct?

regards!

[vishaw jasrotia]

Hey ,

Yes you had done the correct setting .

But try make most reliable ntp server as preferable one.

Thanks

[Lasandro Lopez]

which one is the most preferable???

thank you for your answer