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OpenSolaris 2009.06 - man page for mech_spnego (opensolaris section 5)

mech_spnego(5)				 Standards, Environments, and Macros			       mech_spnego(5)

mech_spnego - Simple and Protected GSS-API Negotiation Mechanism
The SPNEGO security mechanism for GSS-API allows GSS-API applications to negotiate the actual security mecha- nism to be used in the GSS-API session. mech_spnego.so.1 is a shared object module that is dynamically opened by applications that specify the SPNEGO Object Identifier (OID) in calls to the GSS-API functions (see libgss(3LIB)). SPNEGO is described by IETF RFC 2478 and is intended to be used in environments where multiple GSS-API mecha- nisms are available to the client or server and neither side knows what mechanisms are supported by the other. When SPNEGO is used, it selects the list of mechanisms to advertise by reading the GSS mechanism configuration file, /etc/gss/mech (see mech(4)), and by listing all active mechanisms except for itself.
SPNEGO may be configured to function in two ways. The first way is to interoperate with Microsoft SSPI clients and servers that use the Microsoft "Negotiate" method, which is also based on SPNEGO. The Microsoft "Negoti- ate" mechanism does not strictly follow the IETF RFC. Therefore, use special handling in order to enable full interoperability. In order to interoperate, place option "[ msinterop ]" at the end of the SPNEGO line in /etc/gss/mech. This is an example (from /etc/gss/mech): spnego mech_spnego.so [ msinterop ] Without the "[ msinterop ]" option, mech_spnego will follow the strict IETF RFC 2478 specification and will not be able to negotiate with Microsoft applications that try to use the SSPI "Negotiate" mechanism.
mech_spnego.so.1 has no public interfaces. It is only activated and used through the GSS-API interface pro- vided by libgss.so.1 (see libgss(3LIB)).
/usr/lib/gss/mech_spnego.so.1 shared object file /usr/lib/sparcv9/gss/mech_spnego.so.1 SPARC 64-bit shared object file /usr/lib/amd64/gss/mech_spnego.so.1 x86 64-bit shared object file
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUWNspnego | +-----------------------------+-----------------------------+ |MT Level |Safe | +-----------------------------+-----------------------------+
Intro(3), libgss(3LIB), mech(4), attributes(5) Solaris Security for Developers Guide SunOS 5.11 4 Oct 2004 mech_spnego(5)

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