>> hhh:ppp host hhh port ppp >> hhh: host hhh port default-service >> hhh host hhh port default-service >> [hhh]:ppp host hhh port ppp >> [hhh]: host hhh port default-service >> [hhh] host hhh port default-service >> [hhh:ppp] unknown: warning: old-style address form: [hhh:ppp] unknown: warning: support for [host:port] forms will go away unknown: warning: specify [host]:port instead host hhh port ppp >> [hhh:] unknown: warning: old-style address form: [hhh:] unknown: warning: support for [host:port] forms will go away unknown: warning: specify [host]:port instead host hhh port default-service >> hhh:1pp unknown: warning: garbage after numerical service in hhh:1pp >> [hh.] unknown: warning: valid hostname or network address required in [hh.] >> hh. unknown: warning: valid hostname or network address required in hh. >> 999 host 999 port default-service