[lug] ntp woes again

Ed Hill ed at eh3.com
Mon Apr 22 22:45:33 MDT 2002

On Tue, 2002-04-23 at 22:34, Michael J. Hammel wrote:
> I installed the April KRUD edition today.  After putting all my firewall
> configs back in place I still can't get ntpdate to work.  I had this
> problem once before and ntpdate -u fixed it.  Now, even that doesn't work.

Hi Michael,

Heres some lines from my /etc/sysconfig/ipchains (RH v7.2) that fixed my
firewall interference problems with ntp:

#eh3  Add ntp protocol support
-A output -j ACCEPT  -p udp -d 0/0 ntp
-A input  -j ACCEPT  -p udp -s 0/0 ntp

I'm no ipchains guru, so use them at your risk...  ;-)


Edward H. Hill III, PhD
Post-Doctoral Researcher   |  Email:       ed at eh3.com, ehill at mines.edu
Division of ESE            |  URL:         http://www.eh3.com
Colorado School of Mines   |  Phone:       303-273-3483
Golden, CO  80401          |  Fax:         303-273-3311
Key fingerprint = 5BDE 4DA1 66BE 4F7B BC17  3A0C 932B 7266 1E76 F123

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