- requires an MIT Kerberos installation and opens TCP/IP listen sockets. + requires a MIT Kerberos installation and opens TCP/IP listen sockets.
I think all of these should use "a" rather than "an".
“A MIT …”? As far as I know it is pronounced M - I - T, which would imply that it should use “an”. The following page seems believable and is pretty unequivocal on the issue: