当您从CYGWIN访问时，如何确定在VAX开放虚拟机中放入.rhosts文件的内容

How do you determine what to put in .rhosts file in an VAX openvms system when trying to remotely access the server using a remote shell from Cygwin on windows XP ? .rlogin and rsh are the only methods that can be used to access the VAX server and it must be using Cygwin to remote in to the VAX server. SSH is not an option. When the VAX server is accessed from a Sun server it works fine. I have tried many combination's of possible things that Cygwin could be sending the VAX as far as a user name an address of origin. How do you determine what to put in .rhosts fil