WAC All Front Any TCP All WAC 443 TCP End servers Servers Director Servers All Skype for Business Director Servers Internal Rules Service Source IP Source Port Protocol Destination Destination Destination IP Port Protocol SIP Front End Any TCP Mediation 5060 TCP Servers Server IP Internal All Any TCP All 444 TCP Director Directors Servers and Front End Servers Web All Any TCP All Front 80 TCP Director End Servers Servers Web All Any TCP All Front 443 TCP Director End Servers Servers SIP All Any TCP Director 5061 TCP internal server IP client networks Mediation Servers All Skype for Business Mediation Servers Internal Rules Service Source IP Source Port Protocol Destination Destination Destination IP Port Protocol SIP Front End Any TCP Mediation 5070 TCP Server IP Server IP SIP PSTN Any TCP Mediation 5067 – TCP Gateway Server IP 5068 SIP Mediation Any TCP PSTN 5067 – TCP Server IP Gateway 5068 SIP Mediation Any TCP Front End 5070 TCP Server IP Server IP Persistent Chat Servers
WAC All Front End Servers Any TCP All WAC servers 443 TCP Director Servers All Skype for Business Director Servers Internal Rules Service Source IP Source Port Protocol Destination IP Destination Port Destination Protocol SIP Front End Servers Any TCP Mediation Server IP 5060 TCP Internal All Director Servers Any TCP All Directors and Front End Servers 444 TCP Web All Director Servers Any TCP All Front End Servers 80 TCP Web All Director Servers Any TCP All Front End Servers 443 TCP SIP All internal client networks Any TCP Director server IP 5061 TCP Mediation Servers All Skype for Business Mediation Servers Internal Rules Service Source IP Source Port Protocol Destination IP Destination Port Destination Protocol SIP Front End Server IP Any TCP Mediation Server IP 5070 TCP SIP PSTN Gateway Any TCP Mediation Server IP 5067 – 5068 TCP SIP Mediation Server IP Any TCP PSTN Gateway 5067 – 5068 TCP SIP Mediation Server IP Any TCP Front End Server IP 5070 TCP Persistent Chat Servers
Preparing%20for%20Skype%20for%20Business%20-%20Feb%202016.docx