Whoa there ! Did I open up a can of worms :-). Okay from what I understand,
PAM and NSS will require system accounts wouldn't they ? Then I might have
to worry about OS level security also. With "virtual" accounts in LDAP, I
feel there is no security risk from these users. Am I right ?

Regards,
Michael fuller

----- Original Message -----
From: "raymond" <[EMAIL PROTECTED]>
To: "Todd Underwood" <[EMAIL PROTECTED]>; "Qmail LDAP Forum"
<[EMAIL PROTECTED]>
Sent: Monday, December 09, 2002 9:17 PM
Subject: Re: Integrating Qmail with LDAP


> Now that the dead horse is now also cold, I'd like to get a few licks in
by
> mentioning that's it's also easier to host mail for a lot of domains with
> qmail-ldap.  Also, it's nice to be able to have the same username at
seperate
> domains be entirely different accounts that authenticate w/ the full email
> address.  Not to mention [EMAIL PROTECTED]  Or...
If
> you'r especially lazy, the convienience and simplicity of phpQLAdmin.
This
> tool is so simple you can offload most of your grunt work on any willing
> flunky.  Also, with qmail-ldap you are free to use your system uid/gid to
> enforce disk quotas on a per domain or per orginization basis.  Oh, and
it's
> probably faster too.  ; )
>
> -ray.
>
> On Sunday 08 December 2002 07:44 am, Todd Underwood wrote:
> > dan, all,
> >
> > On Sat, 7 Dec 2002, Dan Melomedman wrote:
> > > > i guess it depends upon what you mean by flexibility.  you're right,
> > > > the mailalternateaddress functionality of qmail-ldap is nice.  on
the
> > > > other hand, the fact that i get configurability of various kinds of
> > > > authentication and authorization for *all* system services out of
PAM
> > > > is also nice.
> > >
> > > Not all system services may be written to support PAM. Also PAM and
NSS
> > > are confused often. PAM means the pamified service is linked to the
PAM
> > > library, and is using the PAM API. NSS is a different story.
> >
> > an excellent point and one that has not been clear in the discussion
thus
> > far:  probably all most users care about is nss, not necessarily pam.
> >
> > on the other hand, many linux distributions PAMify every system service
> > already anyway, so again it depends on what you start with.  i agree
that
> > if you didn't have an OS that had all system services PAMified (linked
> > with the PAM library) then it would be a royal pain (and probably a
> > security mistake) to do so.
> >
> > > > so you don't have data on the performance of LDAP authentications
> > > > against PAM.  too bad.  i was hoping to see some.  anyway, we'll
throw
> > > > out the "faster" claim that you made about qmail-ldap until we see
> > > > those data.
> > >
> > > I don't, since I could really care less. I know I'll have less
headaches
> > > if I don't use PAM in the first place.
> >
> > that's fine.  you were the one who said that qmail-ldap was "Faster".  i
> > tried to verify that claim and couldn't.  you can't either and now you
say
> > that you don't care how fast it is.  so we can stop talking about what
is
> > "Faster" until someone posts some numbers.
> >
> > > > the additional amount of code needed to support PAM on a system that
> > > > comes bundled with it is 0.  the additional amount of code needed to
> > > > support LDAP in qmail in >0.
> > >
> > > Not with qmail. Qmail would need to be patched to support PAM. If you
> > > mean NSS, then I agree.
> >
> > you're right.  i really mean nss here.
> >
> > t.
>
> --
> Snow White has become a camera buff.  She spends hours and hours
> shooting pictures of the seven dwarfs and their antics.  Then she
> mails the exposed film to a cut rate photo service.  It takes weeks
> for the developed film to arrive in the mail, but that is all right
> with Snow White.  She clears the table, washes the dishes and sweeps
> the floor, all the while singing "Someday my prints will come."
>
>

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