Subnet mask to identify local URIs

WTSupported in traditional Synergy on Windows
WNSupported in Synergy .NET on Windows
USupported on UNIX
VSupported on OpenVMS

The PROXY_SUBNET environment variable specifies the subnet mask to use to identify local URIs within the Synergy HTTP document transport API.


The local subnet mask used to identify whether a given URI is a local URI. The default is


This subnet mask is bitwise applied to the IP address of the host contained in the requested URI and compared to a known local IP address filtered by the same subnet mask to determine if the URI request is for a local server. Specify the subnet mask in dotted text form (for example,

To help determine the correct value for PROXY_SUBNET, you can view your subnet mask by running ipconfig. The following is sample output:

Windows IP Configuration
Ethernet adapter El90x1:
     IP Address. . . . . . . . . :
     Subnet Mask . . . . . . . . :
     Default Gateway . . . . . . :

Setting location

The environment.

Used by

Synergy HTTP document transport API

See also

Synergy HTTP Document Transport API