Re: "could not accept SSPI security context"

Brar Piening wrote
>
> Just a guess: You don't have something like "host all all 127.0.0.1/32
> sspi" in your pg_hba.conf do you?
>
> Regards,
>
> Brar
>
I don't have that set.  Here's a sample from my pg_hba (slightly redacted to
obfuscate our internal network address scheme).

# TYPE    DATABASE    USER        CIDR-ADDRESS    METHOD
# ---------------------------------------------------------------------
#                        IPv4 LOCAL CONNECTIONS
# ---------------------------------------------------------------------
# Connections made from the server computer itself are only allowed if
# the user is a member of the Developers group, or a Super User.
# ---------------------------------------------------------------------
host    all        pgsuper        127.0.0.1/32    md5
host    all        +"ITDept"    127.0.0.1/32    sspi
host    all        all        127.0.0.1/32    reject
# ---------------------------------------------------------------------
#                       IPv4 INTRANET CONNECTIONS
# ---------------------------------------------------------------------
# If the IP address from which the request comes indicates that the
# user is on the Courtesy network and is physically located in one of
# our offices (Oklahoma City or Tulsa), use sspi authentication to
# validate the users credentials against Courtesy’s Active Directory.
# ---------------------------------------------------------------------
# Internal Network
# ---------------------------------------------------------------------
host    all                 pgsuper        172.16.10.0/24    md5
host    all                 +"Laptop"    172.16.10.50/32    ldap
ldapserver=ADSERVERNAME ldapprefix="MYDOMAIN\"
host    all                 +"ITDept"    172.16.10.0/24    sspi
host    appdb        +"Users"        172.16.10.0/24    sspi
# ---------------------------------------------------------------------
# Deny connection attempts from any source not explicitly identified
# in the rules above.
# ---------------------------------------------------------------------
host    all                 all        0.0.0.0/0        reject


# IPv6 local connections:
host    all        pgsuper        ::1/128        md5
host    all        +"ITDept"    ::1/128        sspi
host    all        all        ::1/128        reject

There are some specific requirements addressed in the configuration file,
and I'd love to ask some more questions about how to implement some of them,
but those aren't in the scope of this thread.  On this topic, however, this
configuratoin correctly uses the SSPI authentication when I try to connect
to the database through PGAdmin (I'm a member of the "ITDept" group), but
not when I'm testing my VB.NET application, it fails on the authentication
with the error from the thread title.

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