ftp://ftp.cica.es/mirrors/maven2/checkstyle/checkstyle-optional/4.0-beta5/  direct

32 B  2005-09-20checkstyle-optional-4.0-beta5.jar.md5
96 B  2007-01-03maven-metadata.xml.md5  360+ mirrors
40 B  2005-09-20checkstyle-optional-4.0-beta5.jar.sha1
167 B  2005-11-07checkstyle-optional-4.0-beta5.pom.md5
29.07 KB  2005-08-09checkstyle-optional-4.0-beta5.jar
132 B  2005-09-19maven-metadata.xml  240+ mirrors
167 B  2005-11-07checkstyle-optional-4.0-beta5.pom
175 B  2005-11-07checkstyle-optional-4.0-beta5.pom.sha1
151 B  2006-07-08maven-metadata.xml.sha1  380+ mirrors