NFSEXP_INSECURE_PORT 1434 fs/nfsd/export.c { NFSEXP_INSECURE_PORT, {"insecure", ""}}, NFSEXP_INSECURE_PORT 112 include/linux/nfsd/export.h #define EX_SECURE(exp) (!((exp)->ex_flags & NFSEXP_INSECURE_PORT))