~ # apt-get update                                                                                                                                                                             [R0 J0 L:0.16 0.33 0.30 U:15+15:16 pts/1 1943H]
Hit http://ftp.fr.debian.org wheezy Release.gpg
Hit http://security.debian.org wheezy/updates Release.gpg                    
Hit http://ftp.fr.debian.org wheezy Release                                                                   
Hit http://security.debian.org wheezy/updates Release                                                         
Hit http://debian.sikkerhed.org stable Release.gpg
Hit http://ftp.fr.debian.org wheezy/main Sources                                                      
Hit http://debian.sikkerhed.org stable Release                                                        
Hit http://ftp.fr.debian.org wheezy/main amd64 Packages                                                                  
Ign http://ftp.fr.debian.org wheezy/main Translation-en                                                                  
Ign http://security.debian.org wheezy/updates/main Translation-en                              
Hit http://debian.sikkerhed.org stable/main amd64 Packages                                     
Err http://security.debian.org wheezy/updates/main Sources       
  404  Not Found [IP: 2001:a78:5:0:216:35ff:fe7f:be4f 80]
Err http://security.debian.org wheezy/updates/main amd64 Packages                              
  404  Not Found [IP: 2001:a78:5:0:216:35ff:fe7f:be4f 80]
Ign http://debian.sikkerhed.org stable/main Translation-en_DK                                  
Ign http://debian.sikkerhed.org stable/main Translation-en               
W: Failed to fetch http://security.debian.org/dists/wheezy/updates/main/source/Sources  404  Not Found [IP: 2001:a78:5:0:216:35ff:fe7f:be4f 80]

W: Failed to fetch http://security.debian.org/dists/wheezy/updates/main/binary-amd64/Packages  404  Not Found [IP: 2001:a78:5:0:216:35ff:fe7f:be4f 80]

E: Some index files failed to download. They have been ignored, or old ones used instead.