PCNFSD Authentication

NFS can use PC/NFS daemon (PCNFSD), a user authentication daemon, for authentication. After authentication by PCNFSD, the user is assigned a user ID (UID) and a group ID (GID). If the UIDs and GIDs are the same on each UNIX NFS server, then only one server needs to be designated as the PCNFSD server. PCNFSD compares the user name and password provided with the contents of the /etc/passwd file. If a match is found, the PCNFSD server returns the corresponding UID and GID. If authentication is not implemented (that is, if you use neither PCNFSD nor NIS), Client for NFS assigns an anonymous UID of "-2" and an anonymous GID of "-1" to the user. If the NFS server is configured for anonymous access, the user can mount and access files, but only gains read-only access.

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