Necessary domains, ports, and IP addresses to be allowlisted to allow access through my firewall for the server monitoring agent

The server monitoring agent uses one-way outbound HTTPS to communicate with the Site24x7 central server. Please provide access to the below ports and domains to facilitate this communication:

Domains - dms.zoho.com (Device messaging system), plus.site24x7.com (Primary data center), plus2.site24x7.com (Disaster recovery data center), plus3.site24x7.com (Disaster recovery data center), logu.site24x7.com (Log receiver)

Ports - 443 (outbound port)

IP addresses to be whitelisted:

Region	Domain	Data Center	IP Range	IP Usable Range
USA Data Center
Seattle, USA	plus.site24x7.com, logu.site24x7.com logc.site24x7.com	Primary data center	136.143.176.0/23, 136.143.186.0/23,  136.143.189.0/24, 136.143.190.0/23, 204.141.42.0/23	136.143.176.1 to 136.143.177.254 136.143.186.1 to 136.143.187.254 136.143.189.1 to 136.143.189.254 136.143.190.1 to 136.143.191.254 204.141.42.1 to 204.141.43.254
Dallas, USA	plus2.site24x7.com	Secondary data center	136.143.178.0/23, 136.143.180.0/23, 136.143.182.0/23, 136.143.185.0/24, 204.141.32.0/23	136.143.178.1 to 136.143.179.254 136.143.180.1 to 136.143.181.254 136.143.182.1 to 136.143.183.254 136.143.185.1 to 136.143.185.254 204.141.32.1 to 204.141.33.254
Amsterdam, Netherlands	plus3.site24x7.com	Tertiary data center for USA	31.186.243.0/24 185.20.209.0/24	31.186.243.1 to 31.186.243.254, 185.20.209.1 to 185.20.209.254
Europe Data Center
Amsterdam, Netherlands	plus.site24x7.eu, logu.site24x7.eu logc.site24x7.eu	Primary data center	31.186.243.0/24 185.20.209.0/24 213.244.146.0/24 185.230.212.0/23	31.186.243.1 to 31.186.243.254, 185.20.209.1 to 185.20.209.254, 213.244.146.1 to 213.244.146.254, 185.230.212.1 to 185.230.213.254
Dublin, Ireland	plus2.site24x7.eu	Secondary data center	87.252.213.0/24 89.36.170.0/24 217.163.72.0/24 185.230.214.0	87.252.213.0 to 87.252.213.255, 89.36.170.0 to 89.36.170.255, 217.163.72.0 to 217.163.72.255, 185.230.214.0 to 185.230.214.255
China Data Center
Shanghai, China	plus.site24x7.cn logu.site24x7.cn logc.site24x7.cn	Primary data center	163.53.93.0/24 163.53.94.0/27 118.126.63.128/25 118.126.63.64/26 103.212.59.96/29	163.53.93.1 to 163.53.93.254 163.53.94.1 to 163.53.94.30 118.126.63.129 to 118.126.63.254 118.126.63.65 to 118.126.63.126 103.212.59.97 to 103.212.59.102
Beijing, China	plus2.site24x7.cn	Secondary data center	124.251.121.0/24 124.251.122.0/25 124.251.128.0/24	124.251.121.1 to 124.251.121.254 124.251.122.1 to 124.251.122.126 124.251.128.1 to 124.251.128.254
India Data Center
Mumbai, India	plus.site24x7.in logu.site24x7.in logc.site24x7.in	Primary data center	103.103.198.0/24 103.117.159.0/24 103.89.74.0/24 169.148.148.0/23	103.103.198.1 to 103.103.198.254 103.117.159.1 to 103.117.159.254 103.89.74.1 to 103.89.74.254 169.148.148.1 to 169.148.149.254
Chennai, India	plus2.site24x7.in	Secondary data center	103.103.196.0/24 103.103.197.0/24 103.117.158.0/24 103.89.75.0/24	103.103.196.1 to 103.103.196.254 103.103.197.1 to 103.103.197.254 103.117.158.1 to 103.117.158.254 103.89.75.1 to 103.89.75.254
Australia Data Center
Sydney, Australia	plus.site24x7.net.au logu.site24x7.net.au logc.site24x7.net.au	Primary data center	101.97.36.0/24 103.138.128.0/23	101.97.36.1 to 101.97.36.254 103.138.128.1 to 103.138.129.254
Melbourne, Australia	plus2.site24x7.net.au	Secondary data center	103.91.166.0/24 165.173.191.0/24	103.91.166.1 to 103.91.166.254 165.173.191.1 to 165.173.191.254
Saudi Arabia Data Center
Riyadh, Saudi Arabia	plus.site24x7.sa logu.site24x7.sa logc.site24x7.sa	Primary data center	199.67.80.0/23	199.67.80.1 to 199.67.81.254
Jeddah, Saudi Arabia	plus2.site24x7.sa	Secondary data center	199.67.82.0/23	199.67.82.1 to 199.67.83.254
Canada Data Center
Toronto, Canada	plus.site24x7.ca logu.site24x7.ca logc.site24x7.ca	Primary data center	199.67.84.0/24 199.67.85.0/24 199.67.87.0/24	199.67.84.1 to 199.67.84.254 199.67.85.1 to 199.67.85.254 199.67.87.1 to 199.67.87.254
Montreal, Canada	plus2.site24x7.ca	Secondary data center	199.67.86.0/24 199.67.69.0/24	199.67.86.1 to 199.67.86.254  199.67.69.1 to 199.67.69.254
Japan Data Center
Tokyo, Japan	plus.site24x7.jp logu.site24x7.jp logc.site24x7.jp	Primary data center	193.118.160.0/24 103.163.152.0/23	193.118.160.1 to 193.118.160.254 103.163.152.1 to 103.163.153.254
Osaka, Japan	plus2.site24x7.jp	Secondary data center	193.118.161.0/24 199.67.69.0/24	193.118.161.1 to 193.118.161.254 199.67.69.1 to 199.67.69.254
UK Data Center
London, UK	plus.site24x7.uk logu.site24x7.uk logc.site24x7.uk	Primary data center	199.67.88.0/24 169.148.131.0/24	199.67.88.1 to 199.67.88.254 169.148.131.1 to 169.148.131.254
Manchester, UK	logu.site24x7.uk	Secondary data center	199.67.89.0/24 169.148.129.0/24	199.67.89.1 to 199.67.89.254 169.148.129.1 to 169.148.129.254

Check out the continent-wise listing of our 100+ monitoring locations along with their IP addresses.

Related Articles 

• Server monitoring architecture
  
• How secure is the server monitoring agent
  
• Add a server monitor
  
• Server performance metrics
  

• Related Articles

• Configuring your firewall to allow Site24x7 Windows Update Monitoring to connect to the Microsoft domains

  To allow the Windows Server Update Services to connect to the Microsoft domains for Site24x7 Windows Updates monitoring, ensure that your Windows Server Update Services have access to ports like 80 and 443 on the following domains:   ...

• Necessary ports and domains to allow access to the installed On-Premise Poller in my secure network

  If the On-Premise Poller is installed in a secure network, make sure you allow access to the below domains and ports in your firewall to facilitate communication between your server and the Site24x7 central server. Ports to allow: Port 443 (Outbound ...

• How do we verify the Site24x7 Windows Server Monitoring Agent script?

  All the scripts and executables in the Site24x7 Windows Server Monitoring Agent are digitally signed. To verify the digital signature, we compare the certificate name and the serial number of the digital signature associated with the script with our ...

• IP and port that requires firewall exclusion for the APM Insight agent communication

  All APM Insight agents communicate to plusinsight.site24x7.com server through HTTPS port 443. All communication from the agents is one way, i.e., there will only be outgoing requests to the above-mentioned server. The list of IP's to be whitelisted ...

• How to fix a SSL connection error when downloading the Site24x7 Linux server monitoring agent installer

  In a few scenarios, when you try to download the Site24x7 Linux server monitoring agent installer, an SSL connection failure error message will display. Follow the instructions below based on your use case to fix this error. Prerequisite: For ...