# WHATPORT(1068)

## NAME

port 1068 — Installation Bootstrap Protocol Client (instl_bootc) — The client half of the private BOOTP pair — where the machine being installed receives its boot reply.

Protocol: TCP/UDP  
IANA registry

## DESCRIPTION

IANA registers 1068 as `instl-bootc` (formerly `instl_bootc`), the client-side counterpart to 1067. In HP's Ignite-UX the booting client sends from and receives on 1068 while the server's `instl_bootd` answers from 1067, mirroring the standard BOOTP 67/68 relationship on a private port pair so installation traffic stays isolated from the site's DHCP. As with 1067, live traffic is UDP; the TCP registration is bookkeeping. On a host scan, seeing 1068 bound is normally a machine mid-provision or an Ignite-UX client daemon left running.

## EXPOSURE

**Do not expose.** Part of an unauthenticated OS-provisioning exchange — keep the whole 1067/1068 pair inside the provisioning network.

## CHECK

```sh
sudo tcpdump -ni any udp port 1068
```

## SEE ALSO

- docs — [HP Ignite-UX Administration Guide (HP-UX 10.x, 11.0, 11i)](https://www.bitsavers.org/pdf/hp/9000_hpux/1991-200x/200303_B2355-90772_Ignite-UX_Administration_Guide_HP_Computers_with_HP-UX_10.x_11.0_or_11i_Ed10.pdf) (bitsavers.org)
- spec — [RFC 951 — Bootstrap Protocol (BOOTP)](https://www.rfc-editor.org/rfc/rfc951.html) (rfc-editor.org)
- iana — [IANA Service Name and Transport Protocol Port Number Registry](https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml) (iana.org)

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HTML: <https://whatport.net/1068/> · JSON: <https://whatport.net/1068.json> · full dataset: <https://whatport.net/ports.json>