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Network firewall configuration for LeadDesk Software

Roel van der Knoop
  • Updated
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This article covers all IP addresses used by LeadDesk, that you should whitelist on your network's Firewall to ensure that your able to use all of our services.

Relevant related articles: 

LeadDesk web servers (admin & agent UI), required for all clients

TCP Ports 80 (HTTP) and 443 (HTTPS) for:

  • 54.93.52.189 - login-4.leaddesk.com
  • 54.247.97.246
  • 80.69.175.40
  • 80.239.230.199
  • 94.237.25.93 - login-8.leaddesk.com
  • 185.20.137.91
  • 185.20.139.117 - login-1.leaddesk.com
  • 185.26.50.193
  • 188.117.31.194 
  • 188.117.44.170 - login-2.leaddesk.com
  • 188.117.44.227
  • 213.157.69.132

Recording servers (required for uploading voice recordings)

Ports 80/TCP and 443/TCP

  • 54.155.40.165
  • 54.216.228.236
  • 94.237.24.203

Multichannel servers (required when using inbound e-mail traffic)

Ports 3000/TCP and 3001/TCP

  • 80.69.175.184

 LeadDesk VoIP-servers:

Please note that the application that can be installed on a Windows computer works differently from using a webbrowser:

  • Windows application uses UDP port 4569 - where VoIP will be send out using IAX2.
  • Google Chrome (webbrowser users) uses UDP port 5060 and UDP ports 10 000 - 20 000 (audio). Browser calling requires ports 8088/TCP and ports 8089/TCP to be opened for outbound traffic.
    WebRTC requires 64.233.161.127 for Google's STUN service.

Amsterdam Datacenter

  • FS03.leaddesk.com (94.237.41.125)
  • FS07.leaddesk.com (94.237.41.124)
  • FS10.leaddesk.com (94.237.45.14)
  • FS34.leaddesk.com (147.75.100.159)

Helsinki Datacenter

  • pbx-1-1.leaddesk.com (80.69.174.38)
  • pbx-1-3.leaddesk.com (80.69.175.69)
  • pbx-1-7.leaddesk.com (80.69.175.113)
  • pbx-1-11.leaddesk.com (80.69.174.189)
  • pbx-1-14.leaddesk.com (185.20.137.137)
  • pbx-1-20.leaddesk.com (94.237.38.107)
  • FS01.leaddesk.com (80.69.17.235)
  • FS04.leaddesk.com (80.69.174.87)
  • FS05.leaddesk.com (185.20.138.208)
  • FS06.leaddesk.com (185.20.139.93)
  • FS09.leaddesk.com (80.69.172.145)
  • FS11.leaddesk.com (94.237.11.103)
  • FS12.leaddesk.com (94.237.15.123)
  • FS13.leaddesk.com (94.237.15.125)
  • FS14.leaddesk.com (94.237.11.126)
  • FS20.leaddesk.com (80.69.174.38)
  • FS33.leaddesk.com (94.237.9.59)
  • pbx-2-1.leaddesk.com (83.145.232.103)
  • pbx-2-2.leaddesk.com (83.145.232.104)
  • pbx-2-2.leaddesk.com (80.239.230.193)
  • pbx-2-3.leaddesk.com (188.117.44.183)
  • pbx-2-4.leaddesk.com (83.145.232.16)
  • pbx-2-11.leaddesk.com (83.145.216.198)
  • pbx-2-12.leaddesk.com (83.145.216.199)
  • pbx-2-13.leaddesk.com (83.145.216.194)
  • pbx-2-15.leaddesk.com (83.145.216.193)
  • pbx-2-16.leaddesk.com (83.145.216.195)
  • pbx-2-17.leaddesk.com (83.145.216.196)

Frankfurt Datacenter

  • FS02.leaddesk.com (94.237.81.75)
  • FS08.leaddesk.com (94.237.24.59)
  • FS21.leaddesk.com (94.237.81.105)
  • FS23.leaddesk.com (94.237.101.196)
  • FS29.leaddesk.com (94.237.24.54)
  • FS32.leaddesk.com (94.237.28.137)
  • pbx-8-3.leaddesk.com (94.237.24.229)
  • pbx-8-4.leaddesk.com (94.237.24.230)

London Datacenter

  • fs25.leaddesk.com (pbx-5-1.leaddesk.com) (83.136.248.23)
  • fs22.leaddesk.com (pbx-5-2.leaddesk.com) (83.136.253.52)

Madrid Datacenter

  • FS24.leaddesk.com (5.56.56.193)
  • FS26.leaddesk.com (194.62.96.23)
  • FS27.leaddesk.com (194.62.96.31)
  • FS28.leaddesk.com (195.114.216.45)

Milan Datacenter

  • FS17.leaddesk.com (15.161.168.26)

Mumbai Datacenter

  • FS18.leaddesk.com (15.207.39.167)
  • FS19.leaddesk.com (15.207.12.0)

Oslo Datacenter

  • pbx-7-1.leaddesk.com (91.225.60.196)
  • pbx-7-2.leaddesk.com (91.225.60.197)

Paris Datacenter

  • FS16.leaddesk.com (35.181.76.186)

Stockholm Datacenter

  • FS15.leaddesk.com (13.53.86.121)
  • FS30.leaddesk.com (13.48.254.210)
  • FS31.leaddesk.com (13.49.27.137)

Proxys

  • NL Proxy (35.204.164.15)
  • CH Proxy (5.102.146.91)

3rd party VoIP

SIP trunk remote host must allow connections / traffic from following LeadDesk IPs:
94.237.25.15
80.69.173.91

Reported anti-virus software issues

Antivirus programs might block LeadDesk, depending on its security level. 
This is not necessarily an issue as long as you're aware and make sure that you include exceptions into your antivirus program accordingly. 
Past cases with programs that have blocked traffic: McAfee, Panda, Komodo.

Reported modem issues 

We recommend customers to avoid using ZyXel USG 20 series and Fritzbox series firewalls as we have encountered numerous issues with this model blocking VoIP traffic.

 

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