The following inbound ports are blocked at the Internet border to the campus network:
AD: 88,464,445,135,136,137,138,139,3268,3269,9389
DHCP: 67,68
FTP: 20,21
IPMI: 623,1900,17990
KDC: 88
MSSQL: 1433,1434
MySQL: 3306
Print: 9100,631,515
NFS: 111,2049,1110,4045
Oracle: 1521
RADIUS: 1812,1813,1645,1646
Telnet: 23
RDP: 3389
SNMP: 161,162
Syslog: 514
VNC: 5800-5810,5900-5910
Outbound traffic is generally not blocked.