Configuration issues with redirects across versions of ball-trac.bioinf.uni-sb.biz may be causing access issues. The links below can provide alternative paths to reach the site:

http://ball-trac.bioinf.uni-sb.biz https://ball-trac.bioinf.uni-sb.biz

Or return to the current status page of ball-trac.bioinf.uni-sb.biz.