https://mirror.math.princeton.edu/pub/jenkins/plugins/periodicbackup/1.8/?C=N;O=D
Index of /pub/jenkins/plugins/periodicbackup/1.8
index ofpubjenkinsplugins
https://mirror.math.princeton.edu/pub/jenkins/plugins/periodicbackup/1.8/?C=D;O=A
Index of /pub/jenkins/plugins/periodicbackup/1.8
index ofpubjenkinsplugins