/usr/share/igtf-policy/slcs/NCSA-slcs-2013.crl_url is in igtf-policy-slcs 1.88-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | http://crl-ncsa.ncsa-security.net/myproxy2013.crl
http://crl.ncsa.illinois.edu/myproxy2013.crl
|