(Previously sent to freeipmi list, not trying to spam, just find an answer….)
Hi folks -
Has anyone out there ever seen or have you ever done anything with IPMI over
TCP?
In the spec pretty much the only time they talk about TCP is in:
13.2 Required ASF/RMCP Messages for IPMI-over-LAN
The following class=ASF messages under RMCP must be supported in a system
implementing the IPMI LAN interfaces over TCP/IP-UDP.
[…]
ASF Presence Ping message REQUIRED.
In scans I see lots of systems answering to TCP 623; nmap lists it as
“oob-ws-http”, but it appears to simply detect the openness of it, not that it
actually does something.
I’d always meant to look into to this, and I could have sworn I had it working
awhile back, but I my recent efforts to put the UPD payload of both Get Channel
Authentication Capabilities and the ASF Ping and don't get a valid response
back (most often I see something like "00 00 00 02 09 00 00 00 01 00 00 00 00
00 00 00 00”)…
Nmap claims to detect ipmi on the port, but receives the aforementioned byte
stream, which isn’t any IPMI reply that I know of :)
So does anyone know about any implementations out there? Is TCP 623 actually
used for IPMI, or for other OOB protos, or…?
I don’t have any direct access to a system that uses TCP 623, so I don’t want
to beat on it too much without knowing more.
Thanks for any RFTMs or whatever -
dan
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