Service Restrictions The following IANA registered protocols are supported through the Johns Hopkins University and Medical Institutions perimeter firewalls. Other services may work, but are not supported and may be discontinued at any time. - FTP - Passive & Active
- ssh
- http - on standard ports
- pop3
- nntp (usenet)
- ntp
- imap4
- Netmeeting
- Timbuktu
- https
- klogin
- kshell
- Appleshare IP
- Quicktime/RTSP
- Filemaker Pro
- SQLNet
- Groupwise
- h323
- eklogin
- CVS
- PCAnywhere
- Netscape Enterprise Calendaring
- Quicktime/RTP
- RealMedia
The following ports and protocols are allowed on our wireless networks. standard wireless network - Intranet
- TCP
- www
- https
- ssh
- 122
- imap4 over TLS/SSL
- pop3 over TLS/SSL
- 1677
- 1678
- 1679
- 3389
- 5150
- UDP
- Internet
- TCP
www https ftp-data ftp pop3 imap4 ssh 122 aol 993 995
- UDP
enhanced wireless network - Intranet
Internet - TCP
- www
- https
- ftp-data
- ftp
- pop3
- imap4
- ssh
- 122
- aol
- imap4 over TLS/SSL
- pop3 over TLS/SSL
The following ports and protocols are allowed via JHSecure remote access. - Intranet
- Internet
- TCP
- www
- https
- ftp-data
- ftp
- smtp
- pop3
- imap4
- ssh
- 210
- 465
- 591
- imap4 over TLS/SSL
- pop3 over TLS/SSL
- 1863
- 5050
- 5222
- 8991
- 20443
Questions about service restrictions should be sent to issues@jhu.edu |