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Re: [Bigsister-general] ntp check on Cisco PIX501


--On May 7, 2007 7:34:27 PM +0200 Ruzsinszky Attila
<suppressed> wrote:

> How can I enable NTP connection from BS?

if you want your PIX to be the NTP server for your network, then you want
to ask...
 Can any system on my network connect to the NTP service?
don't just make it work for the BS server...

this is not the place to discuss how to configure cisco gear; but a general
ACL rule to allow NTP for just your network would be

-- and do NOT simply type in these commands unless you understand what you
are doing ! ! !

conf term
access-list IDENTIFIER permit tcp NETWORK NETMASK host PIXIP eq 123
access-list IDENTIFIER permit udp NETWORK NETMASK host PIXIP eq 123

IDENTIFIER is whatever ACL needs adjusting (it depends on your interface
configuration.)
NETWORK and NETMASK are the classless IP addressing values for your
network(s).
PIXIP is the IP address plumbed on the interface on which you want to
provide NTP service.

...but it's more complicated than that since you have to edit those lines
into the access list in the correct position. Those commands will simply
append to the ACL; appending may, or may not, have any effect depending on
the ACL's current layout and design.

If your problem is truly with the ACL, you need to ask in some Cisco
support forum, or ask your vendor, or support provider. This appears no to
be a Big Sister problem; please don't ask me to help configure your PIX. :)

-c


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