Network Ports

The following ports are open for eduroam users:

E-mail

  • IMSP: TCP/406 egress and established.
  • IMAP4: TCP/143 egress and established.
  • IMAP3: TCP/220 egress and established.
  • IMAPS: TCP/993 egress and established.
  • POP: TCP/110 egress and established.
  • POP3S: TCP/995 egress and established.
  • SMTPS: TCP/465 egress and established.
  • Message submission: TCP/587 egress and established.

Web

  • HTTP: TCP/80 egress and established.
  • HTTPS: TCP/443 egress and established.

VPN

  • Standard IPSec VPN: IP protocols 50 (ESP) and 51 (AH) both egress and ingress; TCP/500 (IKE) egress only.
  • IPSec NAT traversal: UDP/4500 egress and established.
  • Cisco IPSec NAT traversal: TCP/10000 egress and established.
  • PPTP: IP protocol 47 (GRE) egress and established; TCP/1723 egress and established.
  • OpenVPN: TCP/5000 egress and established.
  • IPv6 Tunnel Broker NAT traversal: UDP/3653 and TCP/3653 egress and established.

Remote Desktop

  • RDP: TCP/3389 egress and established.
  • VNC: TCP/5900 egress and established.
  • Citrix: TCP/1494 egress and established.

Directory Services

  • LDAP: TCP/389 egress and established.
  • LDAPS: TCP/636 egress and established.

Secure Shell

  • SSH: TCP/22 egress and established.

File transfer

  • Passive (S)FTP: TCP/21 egress and established.

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