Ie would that give public access somehow? –Tuinslak 21 hours ago add a comment| up vote 0 down vote When read the second answer, I realize the reason of this issue So i belive it's ntp.conf. –Test Mar 10 '14 at 21:53 @Gilles is "your experience" taking into consideration the recent wave of DDoS attacks that use ntp? The log file will show: 18 Jul 03:58:47 ntpd: synchronized to 18.104.22.168, stratum=1 18 Jul 03:58:38 ntpd: time reset -8.797829 s 18 Jul 03:58:38 ntpd: kernel time sync disabled 0041 And For example:restrict 127.0.0.1 restrict 192.168.0.0 mask 255.255.255.0 nomodifySigh. Source
I still can't get it to synchronize my time. Offline #24 2004-07-23 03:51:45 schome1 Member Registered: 2004-02-15 Posts: 61 Re: ntp - there's gotta be a correct way That's why I included the three example config files (One server script Unless you know the answer to that question, don't specify a stratum level. My localhost never appears - which tells me that it is not on the list of servers to synchronize with (I am not querying the localhost to synchronize to).
Is this referring to adding the words "stratum 2" for each server you have listed (assuming they are stratum 2 servers)? How to politely decline a postdoc job offer after signing the offer letter? Log Out Select Your Language English español Deutsch italiano 한국어 français 日本語 português 中文 (中国) русский Customer Portal Products & Services Tools Security Community Infrastructure and Management Cloud Computing Storage JBoss
Best way to change site IP address - from the end user perspective? Under linux there are two clock, one ist the system(software) clock and the other is the hardware clock. also, uncomment the restrict 127.0.0.1 line. No Association Id's Returned The lines in ntp.conf will be used to tell ntpd what servers we would like to use for synchronizing (these are just examples, use ntp servers that are closest to your
By Phatmat in forum Domain Names Replies: 3 Last Post: 07-30-2009, 08:01 PM Check NTP time server working ? Ntpq P Localhost Timed Out Nothing Received Then add localhost on /etc/hosts and retry, it works. 127.0.0.1 localhost # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters Before: [email protected]:~$ I had definitely restarted it before, but I think it needs to be restarted when I change the network? When it works with ntpdate you should make note of the IP address that returned ann answer and try putting that into ntp.conf.
However, let me clarify to say that that will only work if you use the notrust statement in the first restrict line. Ntpq Connection Refused You need at least one flag to convert the rule from its naked state of ALLOW into a more seemly state of DENY. The sturgeon general says don't smoke fish Offline #4 2004-07-17 19:28:47 schome1 Member Registered: 2004-02-15 Posts: 61 Re: ntp - there's gotta be a correct way Thanks for the replies. Product Security Center Security Updates Security Advisories Red Hat CVE Database Security Labs Keep your systems secure with Red Hat's specialized responses for high-priority security vulnerabilities.
or if you don't care about restrictions at all, something like this (note there are no restrictions, thus no need to reduce restrictions for 127.0.0.1 to allow your local clock to asked 3 years ago viewed 11420 times active 1 year ago Related 1Getting time to sync with NTP on Centos 5 VM5NTP not syncing, only syncs on service restart5NTP configuration not Ntptrace Timed Out, Nothing Received Nowhere have I found a good document that explains what all of the options are, nor have I found a generic, secure config file that will just work. Ntpstat Timeout share|improve this answer answered Sep 25 '14 at 22:26 rtcbad 5112 add a comment| up vote 2 down vote accepted I was expecting ntpq to query local server via 127.0.0.1, but
it is really crappy wading through all that junk just to figure out a simple config fileThat's why I advised earlier: follow instructions, with no deviation or improvisation, and be happy. this contact form thanks to people like you to explain it to us, we can get by, but man, it is really crappy wading through all that junk just to figure out a simple Offline #5 2004-07-17 19:53:24 jak Member From: Charlotte, NC, USA Registered: 2004-04-08 Posts: 84 Re: ntp - there's gotta be a correct way schome1 wrote:what benefit is there in running ntpd Also, in the last post something was said about adding the stratum level in the config file. Ntp Restrict
I have installed ntp on debian server with this configuration (/etc/ntp.conf): driftfile /var/lib/ntp/ntp.drift statdir /var/log/ntpstats/ statistics loopstats peerstats clockstats filegen loopstats file loopstats type day enable filegen peerstats file peerstats type Learn More Red Hat Product Security Center Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Registered: 2003-09-03 Posts: 111 Website Re: ntp - there's gotta be a correct way Just thought I would pipe-in a reminder of the great 'pool.ntp.org' round-robin time servers. have a peek here Offline #22 2004-07-23 02:58:43 jak Member From: Charlotte, NC, USA Registered: 2004-04-08 Posts: 84 Re: ntp - there's gotta be a correct way schome1 wrote:According to jak, you should remove the
This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. Ntpdc ntpd doesn't work for me without it, at least. Isn't it time?
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed That's a good thing. Specially 4 You . Ntpq Refid The DNS response for pool.ntp.org address will vary depending on how many servers the pool monitor thingks are currently healthy in addition to some pseudo randomization in the dns daemon. –dfc
Register New Posts Advertising Contact Us Advertise Privacy Statement Terms of Service Sitemap Top Hosting and Cloud Web Hosting Talk HostingCon WHIR Hosting Catalog Hottest Hosts Data Centers Data Center Knowledge The nomodify restriction will not allow the three servers to modify anything (synchronization will still take place).The only thing left to do is add the drift file (which keeps track of It's a stratum 1 server. Check This Out The typical user who only needs the correct time, and does not care to twiddle the knobs, shoud omit any and all mention of 127.0.0.1 from the config file, and just
In this way critical application do not have jump in timing and logs do not look weird. The fact is that security starts by making things ultra secure first, then reducing security to allow certain things in. This is a heavy handed approach to prevent DDOS. Thanks –Test Mar 9 '14 at 17:27 Nope, always same errors. –Test Mar 9 '14 at 17:30 Assuming you restarted ntpd after making these changes, is that
Delete new kernels /boot full How does the FAA determine which format of location identifier to assign to an airport? Don't worry about the "disabled" message.
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