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Date: Mon, 18 May 2009 15:16:03 +0300
From: Nikos Vassiliadis <nvass9573@gmx.com>
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To: alexus <alexus@gmail.com>
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Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject: Re: proftpd TLS
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alexus wrote:
> i just enable TLS for my proftpd and in tls.log I'm getting following messages
> 
> mod_tls/2.2.1[45739]: error locking passphrase into memory: Operation
> not permitted
> mod_tls/2.2.1[45739]: TLS/TLS-C requested, starting TLS handshake

 From the error message, I can suspect that proftpd tries to
use mlock(2) to lock some page in physical memory. That's
typical behavior with programs dealing with sensitive data,
as passwords. The mlock system call can only by used by the
superuser. Is proftpd running with superuser privileges?

Nikos