preferIpv4 resource

From The x3270 Wiki
(Redirected from -4 command-line option)
Type Default Option: -4
Boolean false x3270 c3270 wc3270 s3270 b3270

New in 4.2

Restricts the address family that will be used when the emulator looks up a symbolic hostname. If this resource is set to true, only IPv4 addresses will be selected.