Altova MobileTogether Server Advanced Edition

Configure the Firewall

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Server IP address and network firewall settings

Your server can have a public IP address (accessible over the Internet) and/or a private IP address (accessible within a private network; for example, via WiFi within a company network). If a mobile client device tries to connect via the Internet using the server's private IP address, then the connection will not work. This is because the private IP address is not known on the Internet and cannot be resolved. If a client device uses a private IP address, then the client device must already have access to the private network.


To ensure that the server can be accessed, do one of the following:


Provide the server with a public IP address so that it can be reached via the Internet. On the client device, use this public IP address to access the server.

If you use a firewall and install MobileTogether Server on a server with a private IP address (inside the private network), then use the network firewall to forward requests sent to a public IP-address/port-combination to your MobileTogether Server server. On the client device, use the public IP address.


You must also ensure that the firewall is configured to allow access to the server port used for MobileTogether Client communication. The ports used by MobileTogether Server are specified in the Settings page of the Web UI of MobileTogether Server (see the MobileTogether Server user manual). On the client device, this is the port that must be specified as the server port to access.


Tip: Port 80 is usually open on most firewalls by default. So, if you are having difficulties with firewall settings and if port 80 is not already bound to some other service, you could specify port 80 as the MobileTogether Server port for client communication.



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