diff --git a/src/main.lua b/src/main.lua
index 3b33c2a..0c1a78e 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -201,7 +201,7 @@ local function main(environment)
 		if err ~= nil then log:error(err) end
 		response:send()
 
-    response:executePostResponseQueue()
+    	response:executePostResponseQueue()
 	else
 		log:info("Nothing to do...bye.\n")
 	end
diff --git a/src/network/netconfig.lua b/src/network/netconfig.lua
index f7fb184..821bc37 100644
--- a/src/network/netconfig.lua
+++ b/src/network/netconfig.lua
@@ -3,6 +3,7 @@ local log = require('util.logger')
 local settings = require('util.settings')
 local wifi = require('network.wlanconfig')
 local uci = require('uci').cursor()
+local signin = require('network.signin')
 
 local M = {}
 local reconf = {}
@@ -13,7 +14,12 @@ M.WWW_CAPTIVE_PATH = '/usr/share/lua/wifibox/www'
 M.WWW_CAPTIVE_INDICATOR = '/www/.wifibox-inplace'
 M.WWW_RENAME_NAME = '/www-regular'
 
-
+M.CONNECTING_FAILED = -1
+M.NOT_CONNECTED 	= 0
+M.CONNECTING 		= 1
+M.CONNECTED 		= 2 
+M.CREATING 			= 3 
+M.CREATED 			= 4 
 
 local function reloadBit(dlist, itemname)
 	if dlist[itemname] == nil then dlist[itemname] = '' end
@@ -250,11 +256,16 @@ end
 -- @tparam string ssid The SSID to use for the access point.
 -- @return True on success or nil+msg on error.
 function M.setupAccessPoint(ssid)
+	
+	M.setStatus(M.CREATING,"Creating access point...");
+	
 	M.switchConfiguration{apnet="add_noreload"}
 	wifi.activateConfig(ssid)
 	-- NOTE: dnsmasq must be reloaded after network or it will be unable to serve IP addresses
 	M.switchConfiguration{ wifiiface="add", network="reload", staticaddr="add", dhcppool="add_noreload", wwwredir="add", dnsredir="add" }
 	M.switchConfiguration{dhcp="reload"}
+	
+	M.setStatus(M.CREATED,"Access point created");
 
 	return true
 end
@@ -268,6 +279,9 @@ end
 -- @return True on success or nil+msg on error.
 function M.associateSsid(ssid, passphrase, recreate)
 	log:info("netconfig:associateSsid: "..(ssid or "<nil>")..", "..(passphrase or "<nil>")..", "..(recreate or "<nil>"))
+	
+	M.setStatus(M.CONNECTING,"Connecting...");
+	
 	-- see if previously configured network for given ssid exists
 	local cfg = nil
 	for _, net in ipairs(wifi.getConfigs()) do
@@ -284,7 +298,9 @@ function M.associateSsid(ssid, passphrase, recreate)
 			wifi.createConfigFromScanInfo(scanResult, passphrase)
 		else
 			--check for error
-			return nil,"no wireless network with requested SSID is available"
+			local msg = "Wireless network "..ssid.." is not available"
+			M.setStatus(M.CONNECTING_FAILED,msg);
+			return nil,msg
 		end
 	end
 
@@ -297,10 +313,59 @@ function M.associateSsid(ssid, passphrase, recreate)
 	-- check if we are actually associated
   	local status = wifi.getDeviceState()
 	if not status.ssid or status.ssid ~= ssid then
-		return nil,"could not associate with network (incorrect passphrase?)"
+		local msg = "Could not associate with network (incorrect password?)"
+		M.setStatus(M.CONNECTING_FAILED,msg);
+		return nil,msg
+	end
+	
+	M.setStatus(M.CONNECTED,"Connected");
+	
+	-- signin to connect.doodle3d.com
+	local success, output = signin.signin()
+	if success then
+  		log:info("API:Network:signed in")
+	else 
+		log:info("API:Network:Signing in failed")
 	end
 
 	return true
 end
+--- Disassociate wlan device as client from all SSID's.
+-- Note: this function might belong in the wlanconfig module but that would introduce
+-- a circular dependency, easiest solution is to place the function here.
+-- @return True on success or nil+msg on error.
+function M.disassociate()
+
+	M.setStatus(M.NOT_CONNECTED,"Not connected");
+	
+	wifi.activateConfig()
+	return wifi.restart()
+end
+
+function M.getStatus()
+	log:info("getStatus")
+	local file, error = io.open('/tmp/networkstatus.txt','r')
+	if file == nil then
+		--log:error("Util:Access:Can't read controller file. Error: "..error)
+		return "",""
+	else
+		local status = file:read('*a')
+		--log:info("  status: "..utils.dump(status))
+		file:close()
+		local parts = {}
+		local code, msg = string.match(status, "([^|]+)|+(.*)")
+		--log:info("  code: "..utils.dump(code))
+		--log:info("  msg: "..utils.dump(msg))
+		return code,msg
+	end
+end
+
+function M.setStatus(code,msg)
+	log:info("setStatus: "..code.." | "..msg)
+	local file = io.open('/tmp/networkstatus.txt','w')
+	file:write(code.."|"..msg)
+	file:flush()
+	file:close()
+end
 
 return M
diff --git a/src/rest/api/api_info.lua b/src/rest/api/api_info.lua
index fdc7e71..26dc22f 100644
--- a/src/rest/api/api_info.lua
+++ b/src/rest/api/api_info.lua
@@ -1,4 +1,10 @@
 local lfs = require('lfs')
+local log = require('util.logger')
+local utils = require('util.utils')
+local accessManager = require('util.access')
+local printDriver = require('print3d')
+local printerUtils = require('util.printer')
+--local printerAPI = require('rest.api.api_printer')
 
 local TMP_DIR = '/tmp'
 local LOG_COLLECT_DIRNAME = 'wifibox-logs'
@@ -15,7 +21,6 @@ local function redirectedExecute(cmd)
 	return os.execute(cmd .. " > /dev/null 2>&1")
 end
 
-
 local M = {
 	isApi = true
 }
@@ -90,4 +95,90 @@ function M.logfiles(request, response)
 	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_ARCHIVE_FILE)
 end
 
+function M.access(request, response)
+	--log:info("  remoteAddress: |"..utils.dump(request.remoteAddress).."|");
+	--log:info("  controller: |"..utils.dump(accessManager.getController()).."|");
+	
+	-- when there is a controller we check if the printer is idle,
+	-- if so, it should be done printing and we can clear the controller
+	if accessManager.getController() ~= "" then
+		local argId = request:get("id")
+		local printer,msg = printerUtils.createPrinterOrFail(argId, response)
+		local rv,msg = printer:getState()
+		if rv then
+			response:setSuccess()
+			if(state == "idle") then -- TODO: define in constants somewhere 
+				accessManager.setController("") -- clear controller
+			end
+		else
+			response:setError(msg)
+			return 
+		end
+	end
+	
+	local hasControl = accessManager.hasControl(request.remoteAddress)
+	response:setSuccess()
+	response:addData('hasControl', hasControl)
+	
+	return 
+end
+
+function M.status(request, response)
+	--[[
+	local argId = request:get("id")
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
+	if not printer then return end
+
+	response:addData('id', argId)
+
+	-- Temperature
+	local temperatures,msg = printer:getTemperatures()
+	if temperatures then
+		response:setSuccess()
+		response:addData('hotend', temperatures.hotend)
+		response:addData('hotend_target', temperatures.hotend_target)
+		response:addData('bed', temperatures.bed)
+		response:addData('bed_target', temperatures.bed_target)
+	else
+		response:setError(msg)
+		return
+	end
+	--TODO: reuse printer/temperature api
+
+	-- Progress
+	-- NOTE: despite their names, `currentLine` is still the error indicator and `numLines` the message in such case.
+	local currentLine,numLines = printer:getProgress()
+	if currentLine then
+		response:setSuccess()
+		response:addData('current_line', currentLine)
+		response:addData('num_lines', numLines)
+	else
+		response:setError(numLines)
+		return
+	end
+	--TODO: reuse printer/progress api
+
+	-- State
+	local rv,msg = printer:getState()
+	if rv then
+		response:setSuccess()
+		response:addData('state', rv)
+	else
+		response:setError(msg)
+		return 
+	end
+	]]---
+	----TODO: reuse printer/state api
+	
+	--printerAPI.temperature(request, response)
+	--printerAPI.progress(request, response)
+	--printerAPI.state(request, response)
+	
+	-- access
+	M.access(request, response)
+	
+	response:addData('v', 8)
+	
+end
+
 return M
diff --git a/src/rest/api/api_network.lua b/src/rest/api/api_network.lua
index 4c43935..27ed4d1 100644
--- a/src/rest/api/api_network.lua
+++ b/src/rest/api/api_network.lua
@@ -78,11 +78,10 @@ function M.status(request, response)
 	local withRaw = utils.toboolean(request:get("with_raw"))
 	local ds = wifi.getDeviceState()
 
-	if ds.ssid == nil then
-		response:setFail("Not connected")
-	else 
-		response:setSuccess()
-	end
+	local statusCode, statusMessage = netconf.getStatus()
+	response:addData("status",statusCode)
+	response:addData("statusMessage",statusMessage)
+	response:setSuccess(statusMessage)
 	
 	response:addData("ssid", ds.ssid or "")
 	response:addData("bssid", ds.bssid or "")
@@ -94,6 +93,9 @@ function M.status(request, response)
 	response:addData("txpower", ds.txpower)
 	response:addData("signal", ds.signal)
 	response:addData("noise", ds.noise)
+	
+	
+	
 	if withRaw then response:addData("_raw", utils.dump(ds)) end
 	
 	local localip = wifi.getLocalIP()
@@ -102,10 +104,6 @@ end
 
 --requires ssid(string), accepts phrase(string), recreate(bool)
 function M.associate_POST(request, response)
-  local utils = require('util.utils')
-  local log = require('util.logger')
-  log:info("API:Network:associate")
-
 	local argSsid = request:get("ssid")
 	local argPhrase = request:get("phrase")
 	local argRecreate = request:get("recreate")
@@ -114,38 +112,22 @@ function M.associate_POST(request, response)
 		response:setError("missing ssid argument")
 		return
 	end
-
-  	local associate = function()
-  		local rv,msg = netconf.associateSsid(argSsid, argPhrase, argRecreate)
-	end
-  	response:addPostResponseFunction(associate)
-	
 	
+	response:setSuccess("wlan is trying to associate")
 
-  --[[local helloA = function()
-  	local log = require('util.logger')
-    log:info("HELLO A")
-	end
-  response:addPostResponseFunction(helloA)
-
-  local helloB = function()
-  	local log = require('util.logger')
-    log:info("HELLO B")
-	end
-  response:addPostResponseFunction(helloB)]]--
-
-	--[[response:addData("ssid", argSsid)
+	local rv,msg = netconf.associateSsid(argSsid, argPhrase, argRecreate)
 	if rv then
-		response:setSuccess("wlan associated")
-	else
-		response:setFail(msg)
-	end]]--
-  response:setSuccess("wlan is trying to associate")
+		log:info("associated to wifi: "..utils.dump(argSsid))
+	else 
+		log:info("failed to associate to wifi: "..utils.dump(argSsid).." ("..utils.dump(msg)..")")
+	end
+	
 end
 
 function M.disassociate_POST(request, response)
-	wifi.activateConfig()
-	local rv = wifi.restart()
+	
+	local rv = netconf.disassociate()
+	
 	response:setSuccess("all wireless networks deactivated")
 	response:addData("wifi_restart_result", rv)
 end
diff --git a/src/rest/api/api_printer.lua b/src/rest/api/api_printer.lua
index d4f02ed..77ebc44 100644
--- a/src/rest/api/api_printer.lua
+++ b/src/rest/api/api_printer.lua
@@ -3,6 +3,8 @@ local log = require('util.logger')
 local utils = require('util.utils')
 local settings = require('util.settings')
 local printDriver = require('print3d')
+local printerUtils = require('util.printer')
+local accessManager = require('util.access')
 
 local M = {
 	isApi = true
@@ -15,27 +17,6 @@ local PROGRESS_FILE = 'progress2.out'
 local COMMAND_FILE = 'command.in'
 local GCODE_TMP_FILE = 'combined.gc'
 
-
---returns a printer instance or nil (and sets error state on response in the latter case)
-local function createPrinterOrFail(deviceId, response)
-	local msg,printer = nil, nil
-
-	if deviceId and deviceId ~= "" then
-		printer,msg = printDriver.getPrinter(deviceId)
-	else
-		msg = "missing device ID"
-	end
-
-	if not printer then
-		response:setError("could not open printer driver (" .. msg .. ")")
-		response:addData('id', deviceId)
-		return nil
-	end
-
-	return printer
-end
-
-
 function M._global(request, response)
 	-- TODO: list all printers (based on /dev/ttyACM* and /dev/ttyUSB*)
 	response:setSuccess()
@@ -44,7 +25,7 @@ end
 --requires id(string)
 function M.temperature(request, response)
 	local argId = request:get("id")
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	local temperatures,msg = printer:getTemperatures()
@@ -64,7 +45,7 @@ end
 --requires id(string)
 function M.progress(request, response)
 	local argId = request:get("id")
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	-- NOTE: despite their names, `currentLine` is still the error indicator and `numLines` the message in such case.
@@ -84,7 +65,7 @@ end
 --requires id(string)
 function M.busy(request, response)
 	local argId = request:get("id")
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	local rv,msg = printer:getState()
@@ -101,7 +82,7 @@ end
 --requires id(string)
 function M.state(request, response)
 	local argId = request:get("id")
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	local rv,msg = printer:getState()
@@ -115,10 +96,18 @@ function M.state(request, response)
 	end
 end
 
+
+
 --requires id(string)
 function M.heatup_POST(request, response)
+
+	if not accessManager.hasControl(request.remoteAddress) then
+		response:setFail("No control access")
+		return
+	end
+
 	local argId = request:get("id")
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	local temperature = settings.get('printer.heatup.temperature')
@@ -132,8 +121,14 @@ end
 
 --requires id(string)
 function M.stop_POST(request, response)
+
+	if not accessManager.hasControl(request.remoteAddress) then
+		response:setFail("No control access")
+		return
+	end
+
 	local argId = request:get("id")
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	local endGcode = settings.get('printer.endgcode')
@@ -149,12 +144,28 @@ end
 --accepts: first(bool) (chunks will be concatenated but output file will be cleared first if this argument is true)
 --accepts: last(bool) (chunks will be concatenated and only when this argument is true will printing be started)
 function M.print_POST(request, response)
+
+	local controllerIP = accessManager.getController()
+	local hasControl = false
+	if controllerIP == "" then
+		accessManager.setController(request.remoteAddress)
+		hasControl = true
+	elseif controllerIP == request.remoteAddress then
+		hasControl = true
+	end
+	
+	log:info("  hasControl: "..utils.dump(hasControl))
+	if not hasControl then
+		response:setFail("No control access")
+		return
+	end
+
 	local argId = request:get("id")
 	local argGcode = request:get("gcode")
 	local argIsFirst = utils.toboolean(request:get("first"))
 	local argIsLast = utils.toboolean(request:get("last"))
 
-	local printer,msg = createPrinterOrFail(argId, response)
+	local printer,msg = printerUtils.createPrinterOrFail(argId, response)
 	if not printer then return end
 
 	response:addData('id', argId)
diff --git a/src/rest/request.lua b/src/rest/request.lua
index 1d610b2..34edb94 100644
--- a/src/rest/request.lua
+++ b/src/rest/request.lua
@@ -3,6 +3,7 @@ local urlcode = require('util.urlcode')
 local confDefaults = require('conf_defaults')
 local s = require('util.settings')
 local ResponseClass = require('rest.response')
+local log = require('util.logger')
 
 local M = {}
 M.__index = M
@@ -165,6 +166,7 @@ function M.new(environment, postData, debugEnabled)
 		self.remoteHost = environment['REMOTE_HOST']
 		self.remotePort = environment['REMOTE_PORT']
 		self.userAgent = environment['HTTP_USER_AGENT']
+		self.remoteAddress = environment['REMOTE_ADDR']
 	else
 		self.requestMethod = 'CMDLINE'
 	end
diff --git a/src/util/access.lua b/src/util/access.lua
new file mode 100644
index 0000000..44811ce
--- /dev/null
+++ b/src/util/access.lua
@@ -0,0 +1,30 @@
+local log = require('util.logger')
+local utils = require('util.utils')
+
+local M = {}
+
+function M.hasControl(ip)
+	local controllerIP = M.getController()
+	return (controllerIP == "" or (controllerIP ~= "" and controllerIP == ip))
+end
+
+function M.getController()
+	local file, error = io.open('/tmp/controller.txt','r')
+	if file == nil then
+		--log:error("Util:Access:Can't read controller file. Error: "..error)
+		return ""
+	else
+		controllerIP = file:read('*a')
+		file:close()
+		return controllerIP
+	end
+end
+
+function M.setController(ip)
+	local file = io.open('/tmp/controller.txt','w')
+	file:write(ip)
+	file:flush()
+	file:close()
+end
+
+return M
\ No newline at end of file
diff --git a/src/util/logger.lua b/src/util/logger.lua
index 562ce39..00c940f 100644
--- a/src/util/logger.lua
+++ b/src/util/logger.lua
@@ -8,7 +8,6 @@ local utils = require('util.utils')
 
 local M = {}
 
-
 local logLevel, logVerbose, logStream
 
 --- Available log levels.
diff --git a/src/util/printer.lua b/src/util/printer.lua
index 7242460..0b3ce67 100644
--- a/src/util/printer.lua
+++ b/src/util/printer.lua
@@ -1,3 +1,7 @@
+local log = require('util.logger')
+local utils = require('util.utils')
+local printDriver = require('print3d')
+
 local SUPPORTED_PRINTERS = { 
 	rigidbot = "Rigidbot",
 	ultimaker = "Ultimaker",
@@ -46,4 +50,27 @@ function M.supportedBaudRates()
 	return SUPPORTED_BAUDRATES
 end
 
+
+
+--returns a printer instance or nil (and sets error state on response in the latter case)
+function M.createPrinterOrFail(deviceId, response)
+
+	log:info("API:printer:createPrinterOrFail: "..utils.dump(deviceId))
+	local msg,printer = nil, nil
+	
+	if deviceId == nil or deviceId == "" then
+		printer,msg = printDriver.getPrinter()
+	else 
+		printer,msg = printDriver.getPrinter(deviceId)
+	end
+	
+	if not printer then
+		response:setError("could not open printer driver (" .. msg .. ")")
+		response:addData('id', deviceId)
+		return nil
+	end
+
+	return printer
+end
+
 return M