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All about OCS 2007 Ports
OCS Role Port Protocol Description
       
Front End Servers  5060/5061 TCP/ MTLS Used by Standard Edition Servers and Enterprise pools for all internal SIP communications between servers and between servers and Office Communicator
       
Front End Servers 443 HTTPS Communication from front-end servers to the Web farm FQDNs (the URLs used by Web Components)
       
Front End Servers 444 HTTPS Communication between the focus (Office Communications Server component that manages conference state) and the conferencing servers
       
Front End Servers 135 DCOM and RPC Used when a load balancer is deployed, port 135 is used by the Front End Servers for WMI operations and moving users (a remote DCOM-based database operation)
       
Web Components   443 TCP HTTPS traffic to the pool URLs
       
Web Conferencing Server 443 TLS HTTPS communications to Web Components Servers
       
Web Conferencing Server 444 TLS HTTPS between the Web Conferencing Server and the Front End Server
       
Web Conferencing Server 8057 TLS Used to listen to direct PSOM connections from Live Meeting client
       
A/V Conferencing Server 5063 TCP Used for incoming SIP listening requests
       
A/V Conferencing Server 49152 – 65535            media port range UDP Port range used for media requests sent. 
       
Reverse Proxy 443 TCP Used for SIP/TLS communications from external users on both the internal and external firewalls for external user access 
       
Access Edge Server 5061 TCP Used for SIP/MTLS communication for remote user access or federation.
       
Access Edge Server 443 TCP Used for SIP/TLS communication for remote user access
       
Web Conferencing Edge Server 8057 TCP Used to listen for PSOM/MTLS communications from the Web Conferencing Server  on the internal interface of the Web Conferencing Edge Server
       
Web Conferencing Edge Server 443 TCP Used for inbound communications for access of remote, anonymous and federated users to access internal Web conferences 
       
A/V Edge Server 443 TCP Used for STUN/TCP inbound and outbound media communications to allow external users to access media and A/V sessions
       
A/V Edge Server 5062 TCP Used for SIP/MTLS authentication of A/V users. Communications flow outbound through the internal firewall.
       
A/V Edge Server 3478 UDP Used for STUN/UDP inbound and outbound media communications
       
A/V Edge Server 50,000-59,999 RTP/TCP Used for inbound and outbound media transfer through the external firewall. 
       
Office Communicator 5060 TCP Used by Office Communicator for SIP communications internally
       
Office Communicator 5061 TCP(SIP) Used by Office Communicator for SIP communications internally and for SIP/MTLS authentication of A/V users. Communications flow outbound through the internal firewall
       
Office Communicator 443 TCP(HTTP) Used by Communicator clients connecting from outside the intranet for SIP communications
       
Office Communicator 1024-65535 UDP/TCP Port range used for inbound and outbound media transfer through the external firewall. 
       
Office Communicator 6891-6901 TCP Port ranged used by Office Communicator for file transfer.
       
Live Meeting 2007 client 443 TCP Used by Live Meeting 2007 clients connecting from outside the intranet for:
      SIP traffic sent to the Access Edge Server
      PSOM traffic sent to the Web Conferencing Edge Server
       
Live Meeting 2007 client 8057 TCP Used for outgoing PSOM traffic sent to the Web Conferencing Server
       
Live Meeting 2007 client 5061 TCP Used for SIP/TLS communication between Live Meeting and the Front End Servers or the Access Edge Server and for SIP/MTLS authentication of A/V users. Communications flow outbound through the internal firewall
       
Live Meeting 2007 client 1024-65535 UDP/TCP Port range used for inbound and outbound media transfer through the external firewall
       
Live Meeting 2007 client 6891-6901 TCP Port ranged used by Live Meeting for file transfer
       


Related Links.

Required Ports on the Load Balancer Virtual IP Address

 

 

 

 
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