Are 2 Rakat after Asr Prayer a Good Sunnah or a Forbidden Thing

Sahih Bukhari: Volume 1, Book 10, Number 566:

 

Narrated 'Aisha:

Allah's Messenger never missed two Rakat before the Fajr prayer and after the Asr prayer  openly and secretly.

 

Sahih Bukhari: Volume 1, Book 10, Number 567:

Narrated 'Aisha:

Whenever the Prophet come to me after the 'Asr prayer, he always prayed two Rakat

Sahih Bukhari: Volume 1, Book 10, Number 561:

Narrated Muawiya:

You offer a prayer which I did not see being offered by Allah's Messenger when we were in his company and he certainly had forbidden it (i.e. two Rakat after the Asr prayer).

 

Sahih Bukhari: Volume 1, Book 10, Number 562:

Narrated Abu Huraira:

Allah's Messenger forbade the offering of two prayers:

1. after the morning prayer till the sunrises.

2. after the 'Asr prayer till the sun sets.