diff --git a/uncvmfs.conf b/uncvmfs.conf
index fd4c111..f176ab4 100644
--- a/uncvmfs.conf
+++ b/uncvmfs.conf
@@ -1,11 +1,13 @@
 # Example unCVMFS config file
 # See README for details of parameters
+# Avoid reading from production stratum 1s and proxy squids because
+#   that can interfere with caching for ordinary client traffic
 
 [cms]
 db_path = /var/lib/cvmfs/cms_db
 data_path = /cvmfs/cms.cern.ch
 store_path = /cvmfs/data/cms
-urls = http://cvmfs-stratum-one.cern.ch/opt/cms;http://cernvmfs.gridpp.rl.ac.uk/opt/cms;http://cvmfs.racf.bnl.gov/opt/cms;http://cvmfs.fnal.gov/opt/cms
+urls = http://hcc-cvmfs.unl.edu:8000/cvmfs/cms.cern.ch
 keys = /etc/uncvmfs/keys/cern.ch.pub;/etc/uncvmfs/keys/cern-it1.cern.ch.pub;/etc/uncvmfs/keys/cern-it2.cern.ch.pub;/etc/uncvmfs/keys/cern-it3.cern.ch.pub
 #proxy = http://local.squid:3128
 #env = CMS_LOCAL_SITE=/some/path/to/siteconf
@@ -31,7 +33,7 @@ keys = /etc/uncvmfs/keys/gridpp.ac.uk.pub
 db_path = /var/lib/cvmfs/lhcb_db
 data_path = /cvmfs/lhcb.cern.ch
 store_path = /cvmfs/data/lhcb
-urls = http://cvmfs-stratum-one.cern.ch/opt/lhcb;http://cernvmfs.gridpp.rl.ac.uk/opt/lhcb;http://cvmfs.racf.bnl.gov/opt/lhcb;http://cvmfs.fnal.gov/opt/lhcb
+urls = http://hcc-cvmfs.unl.edu:8000/cvmfs/lhcb.cern.ch
 keys = /etc/uncvmfs/keys/cern.ch.pub;/etc/uncvmfs/keys/cern-it1.cern.ch.pub;/etc/uncvmfs/keys/cern-it2.cern.ch.pub;/etc/uncvmfs/keys/cern-it3.cern.ch.pub
 #proxy = http://local.squid:3128