https://man.openbsd.org/OpenBSD-6.6/portmap.8
portmap(8) - OpenBSD manual pages
portmapopenbsdmanualpages
https://coral.googlesource.com/linux-imx/+/27bb6b1851294273e2573c67b5c73b61092b8200/include/rdma/iw_portmap.h?autodive=0%2F%2F
include/rdma/iw_portmap.h - linux-imx - Git at Google
includerdmaiwportmaph
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Unable_to_mount_NFS_v3_export_with_error_portmap_query_failed
Unable to mount NFS v3 export with error portmap query failed - NetApp Knowledge Base
Apr 14, 2026 - Unable to mount NFS v3 export with error portmap query failed