"Diehl, Jeffrey" <jdiehl@sandia.gov> writes:
> I've been getting strange error messages from a new installation of
> postgres. Occasionally, it prints out:
> "invalid packet length"
> What does this mean? Should I worry?
It means the postmaster got a message with an unreasonable packet length
(first word of the connect request message is supposed to be its total
length, IIRC). Yes, I'd wonder about it too. Got any broken clients,
portscanners hitting 5432, etc?
regards, tom lane