Red Hat Bugzilla – Bug 211253
/etc/init.d/ntpd opens firewall for 127.127.x.x (local time sources)
Last modified: 2007-11-16 20:14:46 EST
Description of problem:
In ntpd, lines like "server 127.127.x.x" are used to reference local time
sources. The /etc/init.d/ntpd script should not open firewall for those
addresses. Fix is simple, patch is attached.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Define local clock as time source in ntp.conf (server 127.127.1.0, fudge
127.127.1.0 stratum 10)
2. /etc/init.d/ntpd restart
Opens port 123 for 127.127.1.0
Should not open firewall for 127.127.x.x addresses
Created attachment 138750 [details]
Fix /etc/init.d/ntpd to ignore 127.127.x.x for firewall rules
The opening of the firewall for a local timesource is the intended behaviour in
This request does not meet the inclusion criteria for the final RHEL3 minor release.
Product Management has reviewed and declined this request. You may appeal this
decision by reopening this request.