http://www.perlmonks.org?node_id=1022786


in reply to Re: Net::OpenSSh failed with mux socket permissions in make test
in thread Net::OpenSSh failed with mux socket permissions in make test

The 700 is probably caused by some of the patches applied to OpenSSH by HP or some HP-UX deviation from the common practice of creating sockets with permissions 666 & ~umask.