Port Restrictions

Standard Ports/Services Open for visiting eduroamers:

Web

HTTP (TCP 80)

HTTPS (TCP 443)

IPV6 Tunnel (UDP 4500)

Remote Access

SSH (TCP 22)

RDP (TCP 3389)

FTP (TCP 21)

Email

IMAP2 & IMAP4 (TCP 143)

IMAP3 (TCP 220)

IMAPS (TCP 993)

POP3 (TCP 110)

POP3S Secure (TCP 995)

SMTP (TCP 25 & 587)

SMTPS (TCP 465)

VPN

IPSEC VPN ESP (Proto 50)

IPSEC VPN AH (Proto 51)

IPSEC VPN IKE (UPD 500)

OpenVPN 2.0 (UDP 1194)

Cisco IPSEC VPN (TCP 10000)

PPTP VPN GRE (Proto 47)

PPTP (TCP 1723)

IPSEC NATT (UDP 4500)