Should do. Works for me.
The rest of the page shows the config options.
For the models which have IR and white light eg: TPC2xxx
This seems to work, where the first number is the light (IR or white and not sure which is which), but I cant seem to get consistent control over them.
The second number is the profile mode.
http://192.168.1.108/cgi-bin/configManager.cgi?action=getConfig&name=Lighting
table.Lighting[0][0].Correction=4
table.Lighting[0][0].FarLight[0].Angle=0
table.Lighting[0][0].FarLight[0].Light=0
table.Lighting[0][0].Mode=Manual
table.Lighting[0][0].NearLight[0].Angle=0
table.Lighting[0][0].NearLight[0].Light=0
table.Lighting[0][0].Sensitive=3
table.Lighting[1][0].Correction=4
table.Lighting[1][0].FarLight[0].Angle=0
table.Lighting[1][0].FarLight[0].Light=100
table.Lighting[1][0].Mode=Auto
table.Lighting[1][0].NearLight[0].Angle=0
table.Lighting[1][0].NearLight[0].Light=0
table.Lighting[1][0].Sensitive=3
Or for a IPC-HDW3549H-AS-PV
table.Lighting[0][0].Correction=50
table.Lighting[0][0].MiddleLight[0].Angle=50
table.Lighting[0][0].MiddleLight[0].Light=50
table.Lighting[0][0].Mode=Auto
table.Lighting[0][0].Sensitive=3
table.Lighting[0][1].Correction=50
table.Lighting[0][1].MiddleLight[0].Angle=50
table.Lighting[0][1].MiddleLight[0].Light=50
table.Lighting[0][1].Mode=Auto
table.Lighting[0][1].Sensitive=3
table.Lighting[0][2].Correction=50
table.Lighting[0][2].MiddleLight[0].Angle=50
table.Lighting[0][2].MiddleLight[0].Light=50
table.Lighting[0][2].Mode=Auto
table.Lighting[0][2].Sensitive=3
table.Lighting[0][3].Correction=50
table.Lighting[0][3].MiddleLight[0].Angle=50
table.Lighting[0][3].MiddleLight[0].Light=50
table.Lighting[0][3].Mode=Auto
table.Lighting[0][3].Sensitive=3
If your firmware is old, try upgrading it? newer than april 21.