Read the statement by Michael Teeuw here.
After update to Mirror to 2.1.3 - no working Whitlist
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 I change my config.js in: /*************** AUTO GENERATED BY REMOTE CONTROL MODULE ***************/ var config = { port: 8081, address:"0.0.0.0", electronOptions: { }, ipWhitelist: [ "127.0.0.1", "::ffff:127.0.0.1", "::1", "192.168.178.20/24" ], language: "de",and now it works again. I have now access to MMM-Remote-Control from my HomePC again … Sandy2503 
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 @Sandy2503 ok nice to know. My problem, that - as i wrote - that with the “developer checkout” from github my MagicMirror is now broken :( 
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 Adding address: “0.0.0.0”, to the config.js also did the trick for me. Thanks! 
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 As soon i put “0.0.0.0” to my config (see bellow with empty adress"") i get a black screen on start MM var config = { 
 port: 8080,
 address:“”,
 language: “de”,
 timeFormat: 24,
 units: “metric”,Any ideas? 
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 hi! 
 maybe wrong config.js ??
 here is my working code:
 var config =
 {
 address: “0.0.0.0”,
 electronOptions: {}, ipWhitelist: [ "10.0.0.1/24", "::ffff:10.0.0.1/120", "127.0.0.1", "::ffff:127.0.0.1", "::1" ],and so on… greets 
 shotput2017
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 is this an acceptable configuration ? address:"0.0.0.0",or is it better specifying the actual server ip here ? 
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 I put my config like this: { port: 1103, address: '0.0.0.0', electronOptions: { }, ipWhitelist: [ "127.0.0.1", "::ffff:127.0.0.1", "::1", "::ffff:192.168.113.60", "::ffff:192.168.113.22", "::ffff:192.168.113.97", "::ffff:192.168.113.29", "::ffff:192.168.113.103", "::ffff:192.168.113.66" ],The Remote-Control says “This device is not allowed to acces your mirror”. The IP-Adresses are correct. 
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 i have the same problem i already set “adress” to :“0.0.0.0” and edited the ipwhitelist to ipWhitelist: [“::fff:0.0.0.0/1”, “::fff:0.8.0.0/1”, “::fff:128.0.0.0/2”, “::fff:192.0.0.0/3”, “::fff:224.0.0.0/4”, “127.0.0.1”, “::ffff:127.0.0.1”, “::1”] but still i get no access. Btw. its a raspberry pi zero with serveronly 
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 @Niggich For my setup (raspberry pi 2) something changed after the update, but when I changed my IP addresses to the IPv4 notation (remove ::ffff:from your addresses) it worked again. Which format do the blocked addresses have in your logs (see below)?@FreddeHamm Are you sure those CIDR numbers are correct? When in doubt, check the output or logs ( pm2 logs MagicMirrororpm2 logs mmif you used the old auto starting guide), there should be a line telling you which IP address was received. Also there are a calculators which transform your IP range to the CIDR notation.
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 Same here, tried addres 0.0.0.0 and various things in the Whitelist. 
 A ping gives “destination unreachable”… SSH also doesn’t work.
 Can someone please suggest ways to troubleshoot?




