Occasional repository failure

[John]

Hi All,

Sometimes, when using Synaptic, I update the packages and it does not let me 
read in a package list from the security repositories.

http://security.ubuntu.com/ubuntu/dists/hoary-security/main/binary-i386/Packages.gz: 
Connection failed [IP: 82.211.81.151 80]
http://security.ubuntu.com/ubuntu/dists/hoary-security/restricted/binary-i386/Packages.gz: 
This HTTP server has broken range support [IP: 82.211.81.151 80]
http://security.ubuntu.com/ubuntu/dists/hoary-security/universe/binary-i386/Packages.gz: 
Connection failed [IP: 82.211.81.151 80]
http://security.ubuntu.com/ubuntu/dists/hoary-security/universe/source/Sources.gz: 
Sub-process gzip returned an error code (1)

Is this just me, or has anyone every had this problem.
Normally, when I update the packages a few days later all seems to be fine.

Regards
John