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UserOnSameNetworkAsServer ( )

Used to tell if the FileMaker Client is on the same network as the FileMaker Server

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Hal Gumbert - Show more from this author CampSoftware http://www.campsoftware.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// UserOnSameNetworkAsServer () // // Hal Gumbert, CampSoftware.com // // Used to tell if the FileMaker Client is on the same network as the FileMaker Server // // We needed a method to know if the Client was local or remote. // However, this does not account for Users connected via a VPNs as they will have a local IP. // // Returns 0 if not on the same network. // Returns >0 if on the same network. Let ( [ // Get the IP address of the Host and the Client theHostAddress = Get ( HostIPAddress ) ; theClientAddresses = Get ( SystemIPAddress ) ; // Get the first three octets of theHostAddress ( '192.168.1.234' would be '192.168.1.' theHostNetwork = Left ( theHostAddress ; Position ( theHostAddress ; "." ; 1 ; 3 ) ) ; // Can theHostNetwork be found in the clients addresses? onSameNetwork = PatternCount ( theClientAddresses ; theHostNetwork ) ] ; onSameNetwork ) Click to copy

Used to tell if the FileMaker Client is on the same network as the FileMaker Server.

We needed a method to know if the Client was local or remote.
However, this does not account for Users connected via a VPNs as they will have a local IP.

Returns 0 if not on the same network.
Returns >0 if on the same network.

 

Comments

		Jean-Francois, Montréal Nov 16, 2016
I had a similar calculation to find if local or remote (mainly for FMGo) and it works as the mobile IP is way different, but this solution is not working if someone connect from his own network home that has the same IP chain and 192.168.1 is the most common of them. So one of my staff passes that validation, but is connected remotely. Anyone else find another solution ? Thanks

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