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Date:      Thu, 10 Dec 2015 08:37:25 -0600
From:      Mark Felder <feld@FreeBSD.org>
To:        Rick Macklem <rmacklem@uoguelph.ca>, "freebsd-current" <freebsd-current@freebsd.org>
Subject:   Re: RPC request sent to 127.0.0.1 becomes from other IP on machine
Message-ID:  <1449758245.1775185.463651697.2CDBB08E@webmail.messagingengine.com>
In-Reply-To: <521574245.126601980.1449754639530.JavaMail.zimbra@uoguelph.ca>
References:  <521574245.126601980.1449754639530.JavaMail.zimbra@uoguelph.ca>

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On Thu, Dec 10, 2015, at 07:37, Rick Macklem wrote:
> Hi,
> 
> Mark has reported a problem via email where the nfsuserd daemon sees
> requests coming from an IP# assigned to the machine instead of 127.0.0.1.
> Here's a snippet from his message:
>   Ok, I have Plex in a jail and when I scan the remote NFS file share the
>   *local* server's nfsuserd spams the logs.
> Spamming the logs refers to the messages nfsuserd generates when it gets
> a request from an address other than 127.0.0.1.
> 
> I think the best solution is to switch nfsuserd over to using an AF_LOCAL
> socket like the gssd uses, but that will take a little coding and
> probably
> won't be MFCable.
> 
> I've sent him the attached patch to try as a workaround.
> 
> Does anyone happen to know under what circumstances the address 127.0.0.1
> gets replaced?
> 
> And do you know if it will always be replaced with the same
> address?
> (I'm basically wondering if the workaround needs to be a list of IP
> addresses
>  instead of a single address?)
> 
> Thanks in advance for any help with this, rick
> 

I've opened a PR per your request

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205193

-- 
  Mark Felder
  ports-secteam member
  feld@FreeBSD.org



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