External Firewall Requirements Note: Minimum Ports used, refer TechNet for recommended option. Outgoing Traffic from Edge Destination Port Source IP Destination IP Protocol Port Description CCE Edge External interface SFB Online IPs and FQDNs CCE to IP TCP 5061 *.lync.com SIP Traffic 172.16.50.118 CCE Edge External interface FQDN of your IP TCP 80 cert provider 172.16.50.118 CCE Edge External interface DNS IP External DNS (8.8.8.8) UDP 53 Resolution 172.16.50.118 CCE Edge External interface DNS IP External DNS (8.8.8.8) TCP 53 Resolution 172.16.50.118 For Audio and CCE Edge External interface SFB Online IPs and FQDNs Video Session IP TCP 443 *.lync.com with SFB 172.16.50.118 Online For Audio and CCE Edge External interface SFB Online IPs and FQDNs Video Session IP UDP 3478 *.lync.com with SFB 172.16.50.118 Online Incoming Traffic to Edge Destination Port Source IP Destination IP Protocol Port Description CCE Edge External interface SFB Online IPs and FQDNs to CCE IP TCP 5061 *.lync.com SIP Traffic 172.16.50.118 For Audio and CCE Edge External interface SFB Online IPs and Video Session IP TCP 443 *.lync.com with SFB 172.16.50.118 Online For Audio and CCE Edge External interface SFB Online IPs and FQDNs Video Session IP UDP 3478 *.lync.com with SFB 172.16.50.118 Online
External Firewall Requirements Note: Minimum Ports used, refer TechNet for recommended option. Outgoing Traffic from Edge Source IP Destination IP Protocol Destination Port Port Description CCE Edge External interface IP 172.16.50.118 SFB Online IPs and FQDNs *.lync.com TCP 5061 CCE to SIP Traffic CCE Edge External interface IP 172.16.50.118 TCP 80 FQDN of your cert provider CCE Edge External interface IP 172.16.50.118 External DNS (8.8.8.8) UDP 53 DNS Resolution CCE Edge External interface IP 172.16.50.118 External DNS (8.8.8.8) TCP 53 DNS Resolution CCE Edge External interface IP 172.16.50.118 SFB Online IPs and FQDNs *.lync.com TCP 443 For Audio and Video Session with SFB Online CCE Edge External interface IP 172.16.50.118 SFB Online IPs and FQDNs *.lync.com UDP 3478 For Audio and Video Session with SFB Online Incoming Traffic to Edge Source IP Destination IP Protocol Destination Port Port Description SFB Online IPs and FQDNs *.lync.com CCE Edge External interface IP 172.16.50.118 TCP 5061 to CCE SIP Traffic SFB Online IPs and *.lync.com CCE Edge External interface IP 172.16.50.118 TCP 443 For Audio and Video Session with SFB Online SFB Online IPs and FQDNs *.lync.com CCE Edge External interface IP 172.16.50.118 UDP 3478 For Audio and Video Session with SFB Online
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