Banned Programs, Servers, Protocols, and Services
Last Modified: 2010 February 18
All programs, services, servers, and protocols used on the Case network must
comply with all applicable standards, must comply with all University
policies, and must not interfere with proper operation of the network.
The following programs, servers, services, and protocols interfere
with proper operation of the network or offer substantial potential
for such interference. They are therefore forbidden on the Case network
without prior approval from Technology Infrastructure Services (TIS).
This list may be amended by decision of the manager of TIS or an
- KeyClient before version 4.2.06
- HP JetAdmin before version 2.4.0
- DOOM version 1.0
- Spectre, all versions
- Network services and equipment:
- Software or hardware implementing hub/share-based peer to peer file
sharing systems used for copyright infringement, such as clients for
the Direct Connect and Advanced Direct Connect networks (e.g., DC++
- Routers (of ANY protocol)
- DHCP servers
- BOOTP servers
- RARP servers
- Proxy ARP servers
- NDS trees
- DNS (Domain Name System) servers
- Novell servers
- WINS (WIndows Name Service) servers
- Remote access (dial-in) servers of any type (including, but
not limited to, modems attached to computers which are connected
to the Case network)
- VPN (virtual private network) servers
- News (Usenet) servers
- Tunneling services
- Wireless Access Points (sometimes called base stations)
- Dedicated hardware firewalls (however, software firewalls such as
ZoneAlarm, Norton Firewall, BlackIce, ipchains/iptables, ipfilter,
etc. on individual systems are permitted and encouraged)
- Any service or application which communicates using IP multicast
without the prior express permission of TIS. With current client
speeds, the use of multicast can easily overload parts of the
- Unmanaged Ethernet switches and Ethernet hubs (repeaters)
are permitted. Cabling between a system and the switch or
hub must be entirely contained within the immediate room
where the switch or hub is located.
- IPX over layer 2 using a frame type other than Ethernet II
- NetBIOS over IPX
- NetBIOS over layer 2 (sometimes called NetBEUI)
- Windows RAS (remote access services) protocols
- Any protocol, program, or server that makes heavy use of broadcast.
- Any program, protocol, server, or service not listed above that is
judged to interfere with network operations, or that creates
substantial risk of interference with network operations. See The
Rules for the Case network.
See also the
ITS Acceptable Use Policy,
which imposes additional
restrictions on how various programs may be used on the Case network.
Note that some of the network services listed above
are permitted on the Case network after consultation with
TIS. You must consult with TIS before putting these services on the Case network.
To contact Technology Infrastructure Services, e-mail
For additional information and rules for many protocols and devices,
including those listed above, see the
Network Policies page.