古いUbuntuサーバーから401エラーを受信する

自宅で使用しているサーバーでLubuntu 10.10を実行しています。使用する必要があるold-releases.ubuntu.comリポジトリで引き続きエラーが発生します。 401 Access Denied エラーです。このような現象を見た人はいますか？

    W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-updates/restricted/binary-i386/Packages.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-updates/universe/binary-i386/Packages.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-updates/multiverse/binary-i386/Packages.gz  401  Unauthorized   
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/main/source/Sources.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/restricted/source/Sources.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/universe/source/Sources.gz  401  Unauthorized   
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/multiverse/source/Sources.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/main/binary-i386/Packages.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/restricted/binary-i386/Packages.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/universe/binary-i386/Packages.gz  401  Unauthorized    
W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/maverick-backports/multiverse/binary-i386/Packages.gz  401  Unauthorized    
E: Some index files failed to download, they have been ignored, or old ones used instead.

これはコンソール出力の最後の行です。