Forwards specified listenports to destport and adds inbound accept rules for listenports. Should be run as Administrator.

v4tov4_advfirewall

@echo off

set listenports=110,143,993,995,21,465
set destport=80

for %%p in (%listenports%) do (
  echo "Adding forwarding rule from port %%p to %destport%..."
  netsh interface portproxy add v4tov4 listenport=%%p listenaddress=89.89.89.89 connectport=%destport% connectaddress=89.89.89.89
  
  netsh advfirewall firewall show rule name="ScreenConnect WebServer port %%p"
  if ERRORLEVEL 1 (
  echo "Adding allow rule for inbound tcp port %%p to firewall..."
  netsh advfirewall firewall add rule name="ScreenConnect WebServer port %%p" dir=in action=allow protocol=TCP localport=%%p
) else (
  echo "Firewall rule is already defined for port %%p, no further action required.
)
  
  rem cleanup
  rem netsh interface portproxy delete v4tov4 listenport=%%p list listenaddress=89.89.89.89
  rem netsh advfirewall firewall delete rule name="ScreenConnect WebServer port %%p" dir=in protocol=TCP localport=%%p
)

@echo on

netsh interface portproxy show v4tov4

pause