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Date:      Tue, 18 Feb 2014 15:25:28 -0800
From:      Darren Pilgrim <list_freebsd@bluerosetech.com>
To:        Michael Sierchio <kudzu@tenebras.com>,  "Ronald F. Guilmette" <rfg@tristatelogic.com>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: Semi-urgent: Disable NTP replies?
Message-ID:  <5303EBE8.7050300@bluerosetech.com>
In-Reply-To: <CAHu1Y71jpZEwUHE=TOmLt3BpHcJEmCC=egPmWBGYUBcSe65zHw@mail.gmail.com>
References:  <2505.1392764000@server1.tristatelogic.com> <CAHu1Y71jpZEwUHE=TOmLt3BpHcJEmCC=egPmWBGYUBcSe65zHw@mail.gmail.com>

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On 2/18/2014 3:18 PM, Michael Sierchio wrote:
> If you want to prevent your ntp process from being used in DDOS
> reflection attacks, just put this directive in the ntp.conf file:
>
> disable monitor
>
> You don't necessarily have to restrict access for normal queries
> (unless you want to).

You can disable the monitoring features, but they do have use.  Normal 
queries are only restricted if you use the "kod" or "ignore" restrict 
keywords.



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