Hi Bahman
I think it might be necessary to use 'live' switch with these two downloads.
Code:
rtmpdump -r "rtmp://wowza.cengage.com:443/business-economics/" -a "business-economics/" -y "introbusiness/pride_business11e/CH01_Nederlander.flv" -v -o "CH01_Nederlander.flv"
Code:
rtmpdump -r "rtmp://wowza.cengage.com:443/business-economics/" -a "business-economics/" -y "introbusiness/pride_business11e/CH06_LLBean.flv" -v -o "CH06_LLBean.flv"