He said: "A point away from home in the Champions League is a good result but we're disappointed with the way we played. We didn't start well and never really recovered.
"We've built a successful team in Europe on starting well, making it difficult for the opposition, being good in possession and very good on the counter attack. All these things never went well here.
"We've got to two finals in the past three years but we never reached those standards this time.
"Having said that, before the game maybe we would have taken a point because Porto are a good side with really dangerous attacking players.
"But they can expect a different Liverpool at Anfield, and if we can take four points off them it will stand us in good stead in the group stages."