3
votes
1answer
155 views

Unable to access NTPD server except on loopback address Centos 6

I can only get results from: ntpq -p localhost or ntpq -p 127.0.0.1 If, from the same server, I try it as either the external IP address or domain name then it times out with no response. ntpq -p ...
3
votes
1answer
397 views

ntpd running as non-root, but outgoing packets match as uid 0

I set my default iptables OUTPUT chain to DROP packets. I then created a firewall rule to only allow the ntp user to send ntp packets out: iptables -A OUTPUT -m owner --uid-owner ntp -p udp --dport ...
1
vote
2answers
3k views

Getting IPTables to properly forward NTP traffic

I have the following setup: NTP 10.21.3.169 | | 10.21.3.160 (eth1) Linux 10.0.0.67 (eth0) | | 10.0.0.65 (pcn1) OpenBSD The idea is to allow the NTPD client (not ...