Requesting Open Ports on the JHU Firewall
CS does not have a network firewall in place, but JHU has a perimeter firewall in place between the Internet and JHU.
If you need a port open on the JHU Firewall, you need to request it from JHU.
Requesting JHU to Open a Firewall Port
New, Official Method
- Please see:
- for instructions to request port openings through the JHU Firewall.
All questions and follow-up regarding these instructions need to be addressed to JHU Networking or JHU Network Security (firstname.lastname@example.org). The JHU Helpdesk at 410-516-HELP may be able to direct your questions to the correct team.
Alternative (Older) Method If Unable To Use Above Method (Link Not Working, Etc.)
All port opening/closing requests should be emailed by the requester to email@example.com as JHU's Network Security team is responsible for the JHU perimeter firewall. You will have to provide:
- a) your system's full hostname (including the domain part) and IP address.
- b) specific reasons as to the need of each of your port openings.
- c) allow JHU to run security scans on any equipment for which you request port openings.
All questions and follow-up regarding these instructions need to be addressed to firstname.lastname@example.org