diff --git a/applications/luci-ddns/luasrc/controller/ddns.lua b/applications/luci-ddns/luasrc/controller/ddns.lua
index 0adc6abb5a..6adbbb0cae 100644
--- a/applications/luci-ddns/luasrc/controller/ddns.lua
+++ b/applications/luci-ddns/luasrc/controller/ddns.lua
@@ -17,7 +17,7 @@ module("luci.controller.ddns", package.seeall)
 function index()
 	require("luci.i18n")
 	luci.i18n.loadc("ddns")
-	if not luci.fs.isfile("/etc/config/ddns") then
+	if not luci.fs.access("/etc/config/ddns") then
 		return
 	end
 	
diff --git a/applications/luci-hd_idle/luasrc/controller/hd_idle.lua b/applications/luci-hd_idle/luasrc/controller/hd_idle.lua
index 45d102cc1e..5dfbe16ea0 100644
--- a/applications/luci-hd_idle/luasrc/controller/hd_idle.lua
+++ b/applications/luci-hd_idle/luasrc/controller/hd_idle.lua
@@ -18,7 +18,7 @@ module("luci.controller.hd_idle", package.seeall)
 function index()
        require("luci.i18n")
        luci.i18n.loadc("hd_idle")
-       if not luci.fs.isfile("/etc/config/hd-idle") then
+       if not luci.fs.access("/etc/config/hd-idle") then
                return
        end
 
diff --git a/applications/luci-initmgr/luasrc/controller/init.lua b/applications/luci-initmgr/luasrc/controller/init.lua
index aecf6c1863..fbbc7270f9 100644
--- a/applications/luci-initmgr/luasrc/controller/init.lua
+++ b/applications/luci-initmgr/luasrc/controller/init.lua
@@ -15,7 +15,7 @@ $Id$
 module("luci.controller.init", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/rc.common") then
+	if not luci.fs.access("/etc/rc.common") then
 		return
 	end
 
diff --git a/applications/luci-mmc_over_gpio/luasrc/controller/mmc_over_gpio.lua b/applications/luci-mmc_over_gpio/luasrc/controller/mmc_over_gpio.lua
index ce244cb509..7beaa144f0 100644
--- a/applications/luci-mmc_over_gpio/luasrc/controller/mmc_over_gpio.lua
+++ b/applications/luci-mmc_over_gpio/luasrc/controller/mmc_over_gpio.lua
@@ -18,7 +18,7 @@ module("luci.controller.mmc_over_gpio", package.seeall)
 function index()
        require("luci.i18n")
        luci.i18n.loadc("mmc_over_gpio")
-       if not luci.fs.isfile("/etc/config/mmc_over_gpio") then
+       if not luci.fs.access("/etc/config/mmc_over_gpio") then
                return
        end
 
diff --git a/applications/luci-ntpc/luasrc/controller/ntpc.lua b/applications/luci-ntpc/luasrc/controller/ntpc.lua
index 8fa690f664..9290644680 100644
--- a/applications/luci-ntpc/luasrc/controller/ntpc.lua
+++ b/applications/luci-ntpc/luasrc/controller/ntpc.lua
@@ -17,7 +17,7 @@ module("luci.controller.ntpc", package.seeall)
 function index()
 	require("luci.i18n")
 	luci.i18n.loadc("ntpc")
-	if not luci.fs.isfile("/etc/config/ntpclient") then
+	if not luci.fs.access("/etc/config/ntpclient") then
 		return
 	end
 	
diff --git a/applications/luci-olsr/luasrc/controller/olsr.lua b/applications/luci-olsr/luasrc/controller/olsr.lua
index 766107ee9a..652f6b9d2c 100644
--- a/applications/luci-olsr/luasrc/controller/olsr.lua
+++ b/applications/luci-olsr/luasrc/controller/olsr.lua
@@ -1,7 +1,7 @@
 module("luci.controller.olsr", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/config/olsrd") then
+	if not luci.fs.access("/etc/config/olsrd") then
 		return
 	end
 
diff --git a/applications/luci-p910nd/luasrc/controller/p910nd.lua b/applications/luci-p910nd/luasrc/controller/p910nd.lua
index 8cc0e7197a..75b2693d40 100644
--- a/applications/luci-p910nd/luasrc/controller/p910nd.lua
+++ b/applications/luci-p910nd/luasrc/controller/p910nd.lua
@@ -18,7 +18,7 @@ module("luci.controller.p910nd", package.seeall)
 function index()
        require("luci.i18n")
        luci.i18n.loadc("p910nd")
-       if not luci.fs.isfile("/etc/config/p910nd") then
+       if not luci.fs.access("/etc/config/p910nd") then
                return
        end
 
diff --git a/applications/luci-polipo/luasrc/controller/polipo.lua b/applications/luci-polipo/luasrc/controller/polipo.lua
index c3965ee2e0..949f80a621 100644
--- a/applications/luci-polipo/luasrc/controller/polipo.lua
+++ b/applications/luci-polipo/luasrc/controller/polipo.lua
@@ -14,7 +14,7 @@ $Id$
 module("luci.controller.polipo", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/config/polipo") then
+	if not luci.fs.access("/etc/config/polipo") then
 		return
 	end
 	
diff --git a/applications/luci-qos/luasrc/controller/qos.lua b/applications/luci-qos/luasrc/controller/qos.lua
index 5a9ef5e152..970dd3d601 100644
--- a/applications/luci-qos/luasrc/controller/qos.lua
+++ b/applications/luci-qos/luasrc/controller/qos.lua
@@ -14,7 +14,7 @@ $Id$
 module("luci.controller.qos", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/config/qos") then
+	if not luci.fs.access("/etc/config/qos") then
 		return
 	end
 	
diff --git a/applications/luci-samba/luasrc/controller/samba.lua b/applications/luci-samba/luasrc/controller/samba.lua
index a698777c2e..75cb65a0b2 100644
--- a/applications/luci-samba/luasrc/controller/samba.lua
+++ b/applications/luci-samba/luasrc/controller/samba.lua
@@ -15,7 +15,7 @@ $Id$
 module("luci.controller.samba", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/config/samba") then
+	if not luci.fs.access("/etc/config/samba") then
 		return
 	end
 	require("luci.i18n")
diff --git a/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua b/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
index 0aa66362bd..940d2265c7 100644
--- a/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
+++ b/applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
@@ -32,7 +32,7 @@ function index()
 	-- override entry(): check for existance <plugin>.so where <plugin> is derived from the called path
 	function _entry( path, ... )
 		local file = path[5] or path[4]
-		if luci.fs.isfile( "/usr/lib/collectd/" .. file .. ".so" ) then
+		if luci.fs.access( "/usr/lib/collectd/" .. file .. ".so" ) then
 			entry( path, ... )
 		end
 	end
diff --git a/applications/luci-statistics/luasrc/view/admin_statistics/networkplugins.htm b/applications/luci-statistics/luasrc/view/admin_statistics/networkplugins.htm
index e29d97c9e3..54ba2b0e26 100644
--- a/applications/luci-statistics/luasrc/view/admin_statistics/networkplugins.htm
+++ b/applications/luci-statistics/luasrc/view/admin_statistics/networkplugins.htm
@@ -22,7 +22,7 @@ about open tcp connections, interface traffic, iptables rules etc.%></p>
 <p><%:stat_networkplugins_installed Installed network plugins:%>
 	<ul>
 		<% for plugin, desc in pairs(plugins) do %>
-			<% if luci.fs.isfile("/usr/lib/collectd/" .. plugin .. ".so") then %>
+			<% if luci.fs.access("/usr/lib/collectd/" .. plugin .. ".so") then %>
 				<li><a href="<%=controller%>/admin/statistics/collectd/network/<%=plugin%>"><%=desc%></a></li>
 			<% end %>
 		<% end %>
diff --git a/applications/luci-statistics/luasrc/view/admin_statistics/outputplugins.htm b/applications/luci-statistics/luasrc/view/admin_statistics/outputplugins.htm
index d230109cc0..e79e2f49f5 100644
--- a/applications/luci-statistics/luasrc/view/admin_statistics/outputplugins.htm
+++ b/applications/luci-statistics/luasrc/view/admin_statistics/outputplugins.htm
@@ -23,7 +23,7 @@ and to transmit the data over the network to other collectd instances.%></p>
 <p><%:stat_outputplugins_installed Installed output plugins:%>
 	<ul>
 		<% for plugin, desc in pairs(plugins) do %>
-			<% if luci.fs.isfile("/usr/lib/collectd/" .. plugin .. ".so") then %>
+			<% if luci.fs.access("/usr/lib/collectd/" .. plugin .. ".so") then %>
 				<li><a href="<%=controller%>/admin/statistics/collectd/output/<%=plugin%>"><%=desc%></a></li>
 			<% end %>
 		<% end %>
diff --git a/applications/luci-statistics/luasrc/view/admin_statistics/systemplugins.htm b/applications/luci-statistics/luasrc/view/admin_statistics/systemplugins.htm
index bb63228b67..0c1b2b52bb 100644
--- a/applications/luci-statistics/luasrc/view/admin_statistics/systemplugins.htm
+++ b/applications/luci-statistics/luasrc/view/admin_statistics/systemplugins.htm
@@ -19,7 +19,7 @@ $Id$
 <p><%:stat_systemplugins_desc System plugins collecting values about system state and ressource usage on the device.:%>
 	<ul>
 		<% for plugin, desc in pairs(plugins) do %>
-			<% if luci.fs.isfile("/usr/lib/collectd/" .. plugin .. ".so") then %>
+			<% if luci.fs.access("/usr/lib/collectd/" .. plugin .. ".so") then %>
 				<li><a href="<%=controller%>/admin/statistics/collectd/system/<%=plugin%>"><%=desc%></a></li>
 			<% end %>
 		<% end %>
diff --git a/applications/luci-tinyproxy/luasrc/controller/tinyproxy.lua b/applications/luci-tinyproxy/luasrc/controller/tinyproxy.lua
index 2ecfb9383e..fb8d9e2b5d 100644
--- a/applications/luci-tinyproxy/luasrc/controller/tinyproxy.lua
+++ b/applications/luci-tinyproxy/luasrc/controller/tinyproxy.lua
@@ -15,7 +15,7 @@ $Id$
 module("luci.controller.tinyproxy", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/config/tinyproxy") then
+	if not luci.fs.access("/etc/config/tinyproxy") then
 		return
 	end
 	
diff --git a/applications/luci-upnp/luasrc/controller/upnp.lua b/applications/luci-upnp/luasrc/controller/upnp.lua
index a7fd66fc11..c88abddc24 100644
--- a/applications/luci-upnp/luasrc/controller/upnp.lua
+++ b/applications/luci-upnp/luasrc/controller/upnp.lua
@@ -15,7 +15,7 @@ $Id$
 module("luci.controller.upnp", package.seeall)
 
 function index()
-	if not luci.fs.isfile("/etc/config/upnpd") then
+	if not luci.fs.access("/etc/config/upnpd") then
 		return
 	end
 	
diff --git a/applications/luci-ushare/luasrc/controller/ushare.lua b/applications/luci-ushare/luasrc/controller/ushare.lua
index 2fdea4e830..958f247d98 100644
--- a/applications/luci-ushare/luasrc/controller/ushare.lua
+++ b/applications/luci-ushare/luasrc/controller/ushare.lua
@@ -18,7 +18,7 @@ module("luci.controller.ushare", package.seeall)
 function index()
        require("luci.i18n")
        luci.i18n.loadc("ushare")
-       if not luci.fs.isfile("/etc/config/ushare") then
+       if not luci.fs.access("/etc/config/ushare") then
                return
        end
 
diff --git a/applications/luci-uvc_streamer/luasrc/controller/uvc_streamer.lua b/applications/luci-uvc_streamer/luasrc/controller/uvc_streamer.lua
index 1766c2b116..64491dc9dc 100644
--- a/applications/luci-uvc_streamer/luasrc/controller/uvc_streamer.lua
+++ b/applications/luci-uvc_streamer/luasrc/controller/uvc_streamer.lua
@@ -18,7 +18,7 @@ module("luci.controller.uvc_streamer", package.seeall)
 function index()
        require("luci.i18n")
        luci.i18n.loadc("uvc_streamer")
-       if not luci.fs.isfile("/etc/config/uvc-streamer") then
+       if not luci.fs.access("/etc/config/uvc-streamer") then
                return
        end
 
diff --git a/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua b/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua
index 3de8710449..9a0282f3a7 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua
@@ -28,7 +28,7 @@ l = c:option(ListValue, "lang", translate("language"))
 
 local i18ndir = luci.i18n.i18ndir .. "default."
 for k, v in pairs(luci.config.languages) do
-	if k:sub(1, 1) ~= "." and luci.fs.isfile(i18ndir .. k:gsub("_", "-") .. ".lua") then
+	if k:sub(1, 1) ~= "." and luci.fs.access(i18ndir .. k:gsub("_", "-") .. ".lua") then
 		l:value(k, v)
 	end
 end
diff --git a/modules/admin-mini/luasrc/model/cbi/mini/luci.lua b/modules/admin-mini/luasrc/model/cbi/mini/luci.lua
index f9365c9062..819a9b64d3 100644
--- a/modules/admin-mini/luasrc/model/cbi/mini/luci.lua
+++ b/modules/admin-mini/luasrc/model/cbi/mini/luci.lua
@@ -28,7 +28,7 @@ l = c:option(ListValue, "lang", translate("language"))
 
 local i18ndir = luci.i18n.i18ndir .. "default."
 for k, v in pairs(luci.config.languages) do
-	if k:sub(1, 1) ~= "." and luci.fs.isfile(i18ndir .. k:gsub("_", "-") .. ".lua") then
+	if k:sub(1, 1) ~= "." and luci.fs.access(i18ndir .. k:gsub("_", "-") .. ".lua") then
 		l:value(k, v)
 	end
 end
diff --git a/modules/freifunk/luasrc/controller/freifunk/freifunk.lua b/modules/freifunk/luasrc/controller/freifunk/freifunk.lua
index 533211b001..ff739fd5f8 100644
--- a/modules/freifunk/luasrc/controller/freifunk/freifunk.lua
+++ b/modules/freifunk/luasrc/controller/freifunk/freifunk.lua
@@ -52,7 +52,7 @@ function index()
 
 	assign({"freifunk", "olsr"}, {"admin", "status", "olsr"}, "OLSR", 30)
 
-	if luci.fs.isfile("/etc/config/luci_statistics") then
+	if luci.fs.access("/etc/config/luci_statistics") then
 		assign({"freifunk", "graph"}, {"admin", "statistics", "graph"}, i18n("stat_statistics", "Statistiken"), 40)
 	end