OCS服务器Ports and Protocols

 

Component (Server role or client)

Port

Protocol

Notes

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 (SIP)

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

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