Which ports are blocked at the inbound border?

This FAQ was last modified on: Thursday, March 1, 2018 01:40pm
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The following is a list of ports that are blocked at the campus inbound firewall.

If there is a need to access one of the services listed below from off campus, you can first try connecting to the campus VPN.

Click here for a FAQ on installing the VPN client.

 

 



Category                                              Ports                                                   Service                                                                                           
List of ports blocked at campus firewall
     
Databases 1521/tcp, 1526/tcp Oracle database default listener
  3306/tcp MySQL database system
  5432/tcp PostgreSQL database system
  11211/udp Memcached udp protocol (used for amplification attacks)
     
Remote Administration 407/tcp Timbuktu
  901-904/tcp+udp VMware Remote Console 
  3389/tcp, 3489/tcp Windows Remote Desktop Protocol (RDP)
  3283/tcp+udp   Apple Remote Desktop   
  5800/tcp, 5900-5901/tcp             Virtual Network Computing (VNC)
  5631/tcp, 5632/udp Symantec pcAnywhere

 

860/tcp, 3260/tcp iSCSI (NAS)
     
File Sharing 548/tcp, 3283/tcp+udp Apple Filing Protocol (AFP)
  137-139/tcp NetBIOS NetBIOS Name Service
  445/tcp Active Directory
     
Printing 631/tcp+udp Common Unix Printing System (CUPS)
  631/tcp+udp Internet Printing Protocol (IPP)
  9100/tcp HP JetDirect printing (PDL)
     
Proxy Services 3128/tcp Squid proxy server
     
Backup Services 7937-9936/tcp+udp

Sun EBS / EMC NetWorker

     
Malware 13620/udp, 16464-16465/udp, 16470-16471/udp, 21315/udp, 21810/udp, 22292/udp, 34354-34355/udp ZeroAccess Botnet
     
Amplifiers 19/udp chargen