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TCP/UDP PORT RESTRICTION

The complete internet security policy is unpublished, but the following items may affect daily use and are listed for your convenience.


  • Outbound TCP port 25 (e-mail via SMTP) is largely prohibited. This is in place to prevent viruses from propagating to the internet. As a workaround, you may use Southern's SMTP server at smtp.southern.edu or try an alternate port such as 587 (assuming the specific SMTP server is available on an alternate port).
  • While inbound connections to the dorm network are normally blocked, TCP ports 90-99 and 113 have been left open.