Re: [PATCHES] Solaris ident authentication using unix domain sockets

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От Florian G. Pflug
Тема Re: [PATCHES] Solaris ident authentication using unix domain sockets
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Msg-id 4873BC28.3070507@phlo.org
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Ответ на Re: [PATCHES] Solaris ident authentication using unix domain sockets  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: [PATCHES] Solaris ident authentication using unix domain sockets  (Josh Berkus <josh@agliodbs.com>)
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Josh Berkus wrote:
> Tom,
>
>> Indeed.  If the Solaris folk feel that getupeercred() is insecure,
>>  they had better explain why their kernel is that broken.  This is
>>  entirely unrelated to the known shortcomings of the "ident" IP
>> protocol.
>
> The Solaris security & kernel folks do, actually.  However, there's
> no question that TRUST is inherently insecure, and that's what people
>  are going to use if they can't get IDENT to work.

I'd be *very* interested in how they come to that assessment. I'd have
thought that the only alternative to getpeereid/getupeercred is
password-based or certificate-based authenticated - which seem *less*
secure because a) they also rely on the client having the correct uid
or gid (to read the password/private key), plus b) the risk of the
password/private key getting into the wrong hands.

How is that sort of authenticated handled by services shipping with solaris?

regards, Florian Pflug, hoping to be enlightened beyond his limited
posix-ish view of the world...


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