CSE Support Forum. A collaborative forum frequented by staff and students. It is also regularly monitored by support staff.
CSE Helpdesk - Students and staff are welcome to contact the helpdesk during its opening hours.
System Support - System Support primarily supports staff, researchers and postgrads, and maintains the labs and severs. They monitor the Support Forum, and should not be contacted directly by undergrad students except for special requests (ask your question on the forum first). Their web page also contains contact details for serious after-hours issues.