We Run iSCSI over the Internet

iSCSI was designed for the SAN inside a rack, not the open internet. Here's the pile of small decisions that makes scsipub work anyway — Ranch 2.x listeners, a BEAM process per session, COW overlays, Caddy-terminated TLS, multi-LUN + SCSI-3 Persistent Reservations for cluster software, and a handful of open-iscsi quirks that cost us a day each.