Solved: NTP port needed to open on firewall - Experts Exchange
2011年4月20日 · You don't have to open all non-standart ports. In terms of pf firewall (OpenBSD or FreeBSD) pass out inet proto udp from me to any port 123 keep state Keeping state for udp …
Synchronizing the clocks with NTP - a simple intro.
2013年6月20日 · The NTP program will step the clock to the reference time depending on the given configuration file and exit afterwards. If your configuration file is located an unexpected …
How to build your NTP Server Farm with CentOS - Experts Exchange
2017年11月20日 · Only allow the minimum required port. By default, port dhcpv6-client and ssh are opened. You must add the NTP port. # firewall-cmd --add-service=ntp --permanent # …
Solved: NTP port redirection on Firewall | Experts Exchange
2009年9月4日 · I want to redirect ntp port traffic coming on the NATd Ip - 10.220.1.200 from external to the real server, 172.20.40.41 or other internal server ip - 172.20.40.50 Any help …
Solved: NTP port 123 UDP - Experts Exchange
2015年12月21日 · NTP port 123 UDP. Hello, I have a customer running SBS 2011 with w32time service running. 15 domained workstations all getting their time from the SBS without issue. …
Solved: NTP port 123 outbound traffic - Experts Exchange
2014年8月14日 · NTP port 123 outbound traffic Hi, I have been monitoring too many NTP traffic going out through Sophos firewall and they are all blocked by default. The destination of the …
When UDP is used for NTP service and when TCP is used for NTP …
2008年10月15日 · port 80 TCP is reserved for HTTPd. It would be confusing if you had port 80 TCP for HTTPd and port 80 UDP running something completely diffrent. tballah. ASKER. I …
Open NTP Time Server Port in Cisco Pix Firewall
2008年9月3日 · PIX Version 6.3(4) interface ethernet0 auto interface ethernet1 100full nameif ethernet0 outside security0 nameif ethernet1 inside security100 fixup protocol dns maximum …
How to check if UDP port 123 is open? How to test this port?
2009年10月5日 · The computer did not resync because no time data was available. I think may be UDP port 123 is closed by some GP or other setting. I want to check if this port is open from …
Setup NTP server for stand alone, non-internet attached network …
2009年7月2日 · In short, yes you need to open port 123 (the NTP port) to local traffic. Were it my system, I'd also stop the FTP, Telnet, and RPC functions (these all use "cleartext" …