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Network Firewall Settings for CRC Follow

Overview

The following firewall rules are for H.323 and SIP endpoint access for Zoom meetings and webinars. These rules should be applied to outbound traffic. Zoom will communicate to the destination port received when the client makes its connection. The firewall should be configured to allow these return connections.

This article covers:

H.323 endpoint access to Zoom Cloud Room Connector

Protocol Ports

Destination

 

TCP

 

443
1720
3000-4000

 

IPv4:

3.7.35.0/25
3.21.137.128/25
3.22.11.0/24
3.23.93.0/24
3.25.41.128/25
3.25.42.0/25
3.25.49.0/24
3.80.20.128/25
3.96.19.0/24
3.101.32.128/25
3.101.52.0/25
3.104.34.128/25
3.120.121.0/25
3.127.194.128/25
3.208.72.0/25
3.211.241.0/25
3.235.69.0/25
3.235.82.0/23
3.235.71.128/25
3.235.72.128/25
3.235.73.0/25
3.235.96.0/23
4.34.125.128/25
4.35.64.128/25
8.5.128.0/23
13.52.6.128/25
13.52.146.0/25
18.157.88.0/24
18.205.93.128/25
50.239.202.0/23
50.239.204.0/24
52.61.100.128/25
52.202.62.192/26
52.215.168.0/25
64.125.62.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
69.174.108.0/22
99.79.20.0/25
101.36.167.0/24
103.122.166.0/23
111.33.115.0/25
111.33.181.0/25
115.110.154.192/26  
115.114.56.192/26
115.114.115.0/26 
115.114.131.0/26
120.29.148.0/24
129.151.0.0/19
129.151.40.0/22
129.151.48.0/20
129.159.0.0/20
129.159.160.0/19
129.159.208.0/20
130.61.164.0/22
134.224.0.0/16
140.238.128.0/24
140.238.232.0/22
144.195.0.0/16
147.124.96.0/19
149.137.0.0/17
150.230.224.0/21
152.67.20.0/24
152.67.118.0/24
152.67.168.0/22
152.67.180.0/24
152.67.184.0/22
152.67.240.0/21
152.70.224.0/21
156.45.0.0/17
158.101.64.0/24
158.101.184.0/22
160.1.56.128/25
161.199.136.0/22
162.12.232.0/22
162.255.36.0/22
165.254.88.0/23
168.138.16.0/22
168.138.48.0/24
168.138.56.0/21
168.138.72.0/24
168.138.74.0/25
168.138.80.0/21
168.138.96.0/22
168.138.116.0/22
168.138.244.0/24
170.114.0.0/16
173.231.80.0/20
192.204.12.0/22
193.122.16.0/20
193.122.32.0/20
193.122.208.0/20
193.122.224.0/20
193.122.240.0/20
193.123.0.0/19
193.123.40.0/21
193.123.128.0/19
193.123.168.0/21
193.123.192.0/19
198.251.128.0/17
202.177.207.128/27
204.80.104.0/21
204.141.28.0/22
207.226.132.0/24
209.9.211.0/24
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24
221.122.88.64/27
221.122.88.128/25
221.122.89.128/25
221.123.139.192/27


IPv6:
2620:123:2000::/40

 

UDP

 

3000-4000

 

IPv4:

3.7.35.0/25
3.21.137.128/25
3.22.11.0/24
3.23.93.0/24
3.25.41.128/25
3.25.42.0/25
3.25.49.0/24
3.80.20.128/25
3.96.19.0/24
3.101.32.128/25
3.101.52.0/25
3.104.34.128/25
3.120.121.0/25
3.127.194.128/25
3.208.72.0/25
3.211.241.0/25
3.235.69.0/25
3.235.82.0/23
3.235.71.128/25
3.235.72.128/25
3.235.73.0/25
3.235.96.0/23
4.34.125.128/25
4.35.64.128/25
8.5.128.0/23
13.52.6.128/25
13.52.146.0/25
18.157.88.0/24
18.205.93.128/25
50.239.202.0/23
50.239.204.0/24
52.61.100.128/25
52.202.62.192/26
52.215.168.0/25
64.125.62.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
69.174.108.0/22
99.79.20.0/25
101.36.167.0/24
103.122.166.0/23
111.33.115.0/25
111.33.181.0/25
115.110.154.192/26  
115.114.56.192/26
115.114.115.0/26 
115.114.131.0/26
120.29.148.0/24
129.151.0.0/19
129.151.40.0/22
129.151.48.0/20
129.159.0.0/20
129.159.160.0/19
129.159.208.0/20
130.61.164.0/22
134.224.0.0/16
140.238.128.0/24
140.238.232.0/22
144.195.0.0/16
147.124.96.0/19
149.137.0.0/17
150.230.224.0/21
152.67.20.0/24
152.67.118.0/24
152.67.168.0/22
152.67.180.0/24
152.67.184.0/22
152.67.240.0/21
152.70.224.0/21
156.45.0.0/17
158.101.64.0/24
158.101.184.0/22
160.1.56.128/25
161.199.136.0/22
162.12.232.0/22
162.255.36.0/22
165.254.88.0/23
168.138.16.0/22
168.138.48.0/24
168.138.56.0/21
168.138.72.0/24
168.138.74.0/25
168.138.80.0/21
168.138.96.0/22
168.138.116.0/22
168.138.244.0/24
170.114.0.0/16
173.231.80.0/20
192.204.12.0/22
193.122.16.0/20
193.122.32.0/20
193.122.208.0/20
193.122.224.0/20
193.122.240.0/20
193.123.0.0/19
193.123.40.0/21
193.123.128.0/19
193.123.168.0/21
193.123.192.0/19
198.251.128.0/17
202.177.207.128/27
204.80.104.0/21
204.141.28.0/22
207.226.132.0/24
209.9.211.0/24
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24
221.122.88.64/27
221.122.88.128/25
221.122.89.128/25
221.123.139.192/27


IPv6:
2620:123:2000::/40

Signal port: TCP 1720

Note: Open ALG (Application Layer Gateway) for H.323 Support

  • Control: TCP 3000-4000
  • RTP: UDP 3000-4000

SIP endpoint access to Zoom Cloud Room Connector

Protocol Ports

Destination

 

TCP

 

443
3000-4000
5060-5061

 

IPv4:

3.7.35.0/25
3.21.137.128/25
3.22.11.0/24
3.23.93.0/24
3.25.41.128/25
3.25.42.0/25
3.25.49.0/24
3.80.20.128/25
3.96.19.0/24
3.101.32.128/25
3.101.52.0/25
3.104.34.128/25
3.120.121.0/25
3.127.194.128/25
3.208.72.0/25
3.211.241.0/25
3.235.69.0/25
3.235.82.0/23
3.235.71.128/25
3.235.72.128/25
3.235.73.0/25
3.235.96.0/23
4.34.125.128/25
4.35.64.128/25
8.5.128.0/23
13.52.6.128/25
13.52.146.0/25
18.157.88.0/24
18.205.93.128/25
50.239.202.0/23
50.239.204.0/24
52.61.100.128/25
52.202.62.192/26
52.215.168.0/25
64.125.62.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
69.174.108.0/22
99.79.20.0/25
101.36.167.0/24
103.122.166.0/23
111.33.115.0/25
111.33.181.0/25
115.110.154.192/26  
115.114.56.192/26
115.114.115.0/26 
115.114.131.0/26
120.29.148.0/24
129.151.0.0/19
129.151.40.0/22
129.151.48.0/20
129.159.0.0/20
129.159.160.0/19
129.159.208.0/20
130.61.164.0/22
134.224.0.0/16
140.238.128.0/24
140.238.232.0/22
144.195.0.0/16
147.124.96.0/19
149.137.0.0/17
150.230.224.0/21
152.67.20.0/24
152.67.118.0/24
152.67.168.0/22
152.67.180.0/24
152.67.184.0/22
152.67.240.0/21
152.70.224.0/21
156.45.0.0/17
158.101.64.0/24
158.101.184.0/22
160.1.56.128/25
161.199.136.0/22
162.12.232.0/22
162.255.36.0/22
165.254.88.0/23
168.138.16.0/22
168.138.48.0/24
168.138.56.0/21
168.138.72.0/24
168.138.74.0/25
168.138.80.0/21
168.138.96.0/22
168.138.116.0/22
168.138.244.0/24
170.114.0.0/16
173.231.80.0/20
192.204.12.0/22
193.122.16.0/20
193.122.32.0/20
193.122.208.0/20
193.122.224.0/20
193.122.240.0/20
193.123.0.0/19
193.123.40.0/21
193.123.128.0/19
193.123.168.0/21
193.123.192.0/19
198.251.128.0/17
202.177.207.128/27
204.80.104.0/21
204.141.28.0/22
207.226.132.0/24
209.9.211.0/24
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24
221.122.88.64/27
221.122.88.128/25
221.122.89.128/25
221.123.139.192/27


IPv6:
2620:123:2000::/40

 

UDP

 

3000-4000
5060
9000-10000

IPv4:

3.7.35.0/25
3.21.137.128/25
3.22.11.0/24
3.23.93.0/24
3.25.41.128/25
3.25.42.0/25
3.25.49.0/24
3.80.20.128/25
3.96.19.0/24
3.101.32.128/25
3.101.52.0/25
3.104.34.128/25
3.120.121.0/25
3.127.194.128/25
3.208.72.0/25
3.211.241.0/25
3.235.69.0/25
3.235.82.0/23
3.235.71.128/25
3.235.72.128/25
3.235.73.0/25
3.235.96.0/23
4.34.125.128/25
4.35.64.128/25
8.5.128.0/23
13.52.6.128/25
13.52.146.0/25
18.157.88.0/24
18.205.93.128/25
50.239.202.0/23
50.239.204.0/24
52.61.100.128/25
52.202.62.192/26
52.215.168.0/25
64.125.62.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
69.174.108.0/22
99.79.20.0/25
101.36.167.0/24
103.122.166.0/23
111.33.115.0/25
111.33.181.0/25
115.110.154.192/26  
115.114.56.192/26
115.114.115.0/26 
115.114.131.0/26
120.29.148.0/24
129.151.0.0/19
129.151.40.0/22
129.151.48.0/20
129.159.0.0/20
129.159.160.0/19
129.159.208.0/20
130.61.164.0/22
134.224.0.0/16
140.238.128.0/24
140.238.232.0/22
144.195.0.0/16
147.124.96.0/19
149.137.0.0/17
150.230.224.0/21
152.67.20.0/24
152.67.118.0/24
152.67.168.0/22
152.67.180.0/24
152.67.184.0/22
152.67.240.0/21
152.70.224.0/21
156.45.0.0/17
158.101.64.0/24
158.101.184.0/22
160.1.56.128/25
161.199.136.0/22
162.12.232.0/22
162.255.36.0/22
165.254.88.0/23
168.138.16.0/22
168.138.48.0/24
168.138.56.0/21
168.138.72.0/24
168.138.74.0/25
168.138.80.0/21
168.138.96.0/22
168.138.116.0/22
168.138.244.0/24
170.114.0.0/16
173.231.80.0/20
192.204.12.0/22
193.122.16.0/20
193.122.32.0/20
193.122.208.0/20
193.122.224.0/20
193.122.240.0/20
193.123.0.0/19
193.123.40.0/21
193.123.128.0/19
193.123.168.0/21
193.123.192.0/19
198.251.128.0/17
202.177.207.128/27
204.80.104.0/21
204.141.28.0/22
207.226.132.0/24
209.9.211.0/24
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24
221.122.88.64/27
221.122.88.128/25
221.122.89.128/25
221.123.139.192/27

IPv6:
2620:123:2000::/40

Firewall rules for other services