Code:
root@bt:~# apt-get update
Err hxxp://archive.offensive-security.com ./ Release.gpg
  Connection failed
Ign hxxp://archive.offensive-security.com ./ Release
Ign hxxp://archive.offensive-security.com ./ Packages
Get:1 hxxp://archive.offensive-security.com ./ Packages [20B]
Fetched 20B in 8min12s (0B/s)
W: Failed to fetch hxxp://archive.offensive-security.com/repotest/./Release.gpg  Connection failed

E: Some index files failed to download, they have been ignored, or old ones used instead.
hello geeks, this is what happen when I try to run apt-get update or install, I have tried to edit the apt sources list, but it dosen't work for me. can you guys help me? thanks