"Rajesh Kumar Mallah." <mallah(at)trade-india(dot)com> writes:
> the following "LOG" lines were found in my /var/log/pgsql
> LOG: pq_recvbuf: unexpected EOF on client connection
> LOG: incomplete startup packet
> are they harmless?
Harmless to PG, yes. They might indicate something worthy of
investigation though ... like someone portscanning your server.
Or just a broken client. Anyway it appears something is connecting
to your port 5432 and then disconnecting right away.
regards, tom lane