Using windows authentication to connect to postgress

I am planning on running PosgreSQL on a Linux box.  I will write an
application using VB.NET.  I am already able to connect using then npgsql
provider to my local database running on windows (cygwin).

Will it be possible for me to connect to the Linux box using the windows
authentication system to the database?

Thank you,

Fernando
jfercan@hotmail.com

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