Does WhatsApp use firewall?

Does WhatsApp use firewall?

Whatsapp uses TCP 443 (HTTPS) to pass the majority of the connection traffic but it also uses TCP 80 (HTTP). If voice is used, then ports 4244, 5222, 5223, 5228,50318, 59234 & 5242 are used. UDP Ports: 34784, 45395, 50318, 59234. You need to intercept this port on proxy and need to allow on Firewall .

How do I allow WhatsApp through my firewall?

Configuring the Smoothwall Filter and Firewall to Allow Access to…

  1. Name: WhatsApp.
  2. Add new service: TCP.
  3. Port Number: 5222.
  4. Add new service: TCP.
  5. Port Number: 5223.
  6. Add new service: UDP.
  7. Port Number: 3478.

How do I allow only WhatsApp traffic on office WIFI?

In short:

  1. enable DNS traffic;
  2. enable all traffic for *. whatsapp.net and *. whatsapp.com.
  3. enable all traffic for the IPv4 address listed below;
  4. block all other traffic;

Does all traffic go through firewall?

As network traffic passes through the firewall, the firewall decides which traffic to forward and which traffic not to forward, based on rules that you have defined. All firewalls screen traffic that comes into your network, but a good firewall should also screen outgoing traffic.

Is WhatsApp call TCP or UDP?

The WhatsApp Business API Client opens an outbound TCP connection to port 5222 or 443 on the WhatsApp servers. TCP traffic occurs over this long-lived connection.

What is WhatsApp URL?

Use https://wa.me/whatsappphonenumber?text=urlencodedtext where whatsappphonenumber is a full phone number in international format and urlencodedtext is the URL-encoded pre-filled message.

What is WhatsApp IP address?

IP Address Ranges

Netblock Company
2620:13e:1000::/44 WhatsApp
2620:13e:100c::/48 WhatsApp
2620:13e:100d::/48 WhatsApp
2620:13e:100e::/48 WhatsApp

What URL does WhatsApp use?

Universal links are the preferred method of linking to a WhatsApp account. Use https://wa.me/ where the is a full phone number in international format. Omit any brackets, dashes, plus signs, and leading zeros when adding the phone number in international format.

What is the best location for firewalls?

All external traffic must pass through the firewall before it reaches the network. Logically, this means that the firewall should be placed between the internet and the network.

How to allow only WhatsApp traffic on office Wi-Fi network?

– Server Fault How to allow ONLY whatsapp traffic on office wi-fi network? I need to provide our office with wi-fi, but they should only be able to use it for whatsapp application. Everything else should be blocked.

Do you need a firewall to use WhatsApp?

I currently do not have a firewall on this internet service. Any suggestions? Here you can find the hostnames/IPs/ports used by both iOS and Android Whatsapp application. Thanks for contributing an answer to Server Fault!

What to do if Whatsapp doesn’t work?

If the WhatsApp application doesn’t work through a Smoothwall Filter and Firewall that’s Decrypting & Inspecting, you need to configure the Smoothwall Filter and Firewall to allow access to it. WhatsApp needs to communicate over certain ports, so the relevant Firewall Rules need to be put in place as well as a Guardian and HTTPS Policy.

Which is the default port for WhatsApp Business API?

The default port for the WhatsApp Business API client is 5222. If that port is not available, the application will fallback to port 443. Port 443 needs to be opened for HTTPS at the minimum for application registration and restarts. You can leave port 5222 closed and have port 443 open, but you cannot just open port 5222 and not port 443.