Error code
Linux EPROTONOSUPPORT
LINUXEPROTONOSUPPORT
System Error Code· A POSIX/system errno returned when a system call fails.
What it means
Protocol not supported.
Not affiliated with Linux. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Linux codes
- EPROTOProtocol error
- EPROTOTYPEProtocol wrong type for socket
- E2BIGArgument list too long
- EACCESPermission denied
- EADDRINUSEAddress already in use
- EADDRNOTAVAILCannot assign requested address
- EADVAdvertise error
- EAFNOSUPPORTAddress family not supported by protocol
- EAGAINResource temporarily unavailable
- EALREADYOperation already in progress
- EBADEInvalid exchange
- EBADFBad file descriptor