当我从 CentOS 5.10 (i686) 运行“ntpd -gq”时,时间同步,但在 CentOS 6.4 (x86_64) 中命令卡住了(我需要使用 ctl+c 来停止它)。
有什么想法可以修复它吗?
编辑:
iptables -L -n -v
Chain INPUT (policy DROP 260 packets, 51849 bytes)
pkts bytes target prot opt in out source destination
1274 66464 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:443
2111 168K ACCEPT tcp -- * * 127.0.0.1 0.0.0.0/0 tcp dpt:8080
0 0 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:8080
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:514
1515 102K ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22
8951 1352K ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:443
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmp type 8
38599 11M ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0
1075K 1399M ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
Chain FORWARD (policy DROP 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 534K packets, 42M bytes)
pkts bytes target prot opt in out source destination