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From: "Mark E. Donaldson" <markee@bandwidthco.com>
To: netfilter@lists.netfilter.org
Subject: RE: NTP
Date: Fri, 2 Jul 2004 12:23:37 -0700	[thread overview]
Message-ID: <SERVER7IIZS2TRqf69a00000056@server7.bandwidthco.com> (raw)
In-Reply-To: <200407021906.41982.Antony@Soft-Solutions.co.uk>

 

-----Original Message-----
From: netfilter-admin@lists.netfilter.org
[mailto:netfilter-admin@lists.netfilter.org] On Behalf Of Antony Stone
Sent: Friday, July 02, 2004 11:07 AM
To: netfilter@lists.netfilter.org
Subject: Re: NTP

On Friday 02 July 2004 5:28 pm, Hudson Delbert J Contr 61 CS/SCBN wrote:

> do not i repeat...do not allow inbound ntp with a source port above 
> the root ports.

Why not?   What difference does the client's source port make?

Antony.

Yes - I'm quite curious about this too as the protocol "normally" acts as
follows:
Client > 1023 -> Server 123
Server 123 -> Client > 1023
Server 123 -> Server 123




  reply	other threads:[~2004-07-02 19:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-02 16:28 NTP Hudson Delbert J Contr 61 CS/SCBN
2004-07-02 18:06 ` NTP Antony Stone
2004-07-02 19:23   ` Mark E. Donaldson [this message]
2004-07-02 19:40 ` NTP Gavin Hamill
2004-07-05 18:23 ` NTP Antony Stone
2004-07-05 19:27   ` NTP Rob Sterenborg
  -- strict thread matches above, loose matches on Subject: below --
2004-07-02 10:57 NTP Steve Comfort
2004-07-02 11:06 ` NTP Gavin Hamill
2004-07-02 11:08 ` NTP Antony Stone

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