Communication & Port Overview

Admin Server

Source Direction TargetPorts Type Protokoll 
WinAdmin > XenServer 5900 TCP VNC
WinAdmin > XenServer 3389 TCP RDP
WinAdmin > fsi Srv 3000 TCP fsi
WinAdmin > fsi Srv 22 TCP SSH
WinAdmin > License Server 8082 TCP CITRIX Web
WinAdmin > License Server 8083 TCP CITRIX Service
WinAdmin > License Server 80 TCP CITRIX powershell

fsi deploy server

Source Direction TargetPorts Type Protokoll
fsi srv > Time Srv 123 TCP NTP
fsi srv > Name Srv 53 TCP DNS
fsi srv > SR (file) 2049 UDP/TCP NFS
fsi srv < > Poolmember/Master 8892/21064 TCP GFS2 Cluster
fsi srv < > Poolmember/Master 5404/5405 UDP GFS2 Cluster (not multicast)
fsi srv > Mail Gateway 25/465 TCP SMTP/SMTPS
fsi srv > RemoteBoards 22/443 TCP IDRAC,ILO,SSH

XenServer / Citrix Hypervisor

Source Direction TargetPorts Type Protokoll
XenServer < > Poolmember/Master 443 TCP XenAPI
XenServer < > Poolmember/Master 22 TCP SSH
XenServer < > Poolmember/Master 8892/21064 TCP GFS2 Cluster
XenServer < > Poolmember/Master 5404/5405 UDP GFS2 Cluster (not multicast)
XenServer > SR (file) 2049 UDP/TCP NFS
XenServer > SR (block) 3260 TCP iSCSI
XenServer > ISO lib / file SR 139/445 UDP/TCP SMB
XenServer < > AD Srv 389 UDP/TCP LDAP
XenServer < > AD Srv 636 UDP/TCP LDAPS
XenServer > DHCP Srv 67/68 UDP BOOTP
XenServer < > DHCP Srv 546/547 UDP DHCP
XenServer > Time Srv 123 UDP/TCP NTP
XenServer > Name Srv 53 UDP/TCP DNS
XenServer > Syslog srv_vc 514 TCP SYSLOG
XenServer > License Server 27000 TCP CITRIX request
XenServer > License Server 7279 TCP CITRIX check in/out
XenServer < > fsi + WinAdmin Srv 22 TCP SSH
XenServer < > fsi + WinAdmin Srv 80/443 TCP HTTP(S)/XenAPI
XenServer > fsi Srv 69 TCP TFTP