IceCube WebDAV access is in alpha-stage

They will depend on GridFTP clients in their CVMFS area and will
either transition their servers to the EPEL-distributed packaging or
retire them

Author: brianhlin

docs/security/tokens/overview.md

@@ -71,6 +71,6 @@ The following collaborations support support file transfer using WebDAV or XRoot
 | EIC           | N/A                       |
 | GLOW          | N/A                       |
 | GlueX         |                           |
-| IceCube       |                           |
+| IceCube       | Undergoing testing        |
 | LIGO          | Undergoing testing        |
 | OSG           | N/A                       |