54 lines
1.8 KiB
Markdown
54 lines
1.8 KiB
Markdown
---
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title: 'mikrotik DDNS'
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---
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#### 1. Script for DDNS
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Create the following script with name `TanDNS` and the following permissions `write, test, read, policy`
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```
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# Tanshu automatic DNS updates
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# User account info
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:local user "user"
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:local pass "123456"
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# Set the hostname or label of network to be updated.
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:local host "home.tanshu.com"
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# Change to the name of interface that gets the changing IP address
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:local inetinterface "pppoe-out1"
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#- No more changes need -------------------------------------------------------------
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:global previousIP;
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:if ([/interface get $inetinterface value-name=running]) do={
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# Get the current IP on the interface
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:local currentIP [/ip address get [find interface="$inetinterface" disabled=no] address];
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# Strip the net mask off the IP address
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:for i from=( [:len $currentIP] - 1) to=0 do={
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:if ( [:pick $currentIP $i] = "/") do={
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:set currentIP [:pick $currentIP 0 $i]
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}
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}
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:if ($currentIP != $previousIP) do={
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:log info "TanDNS: Update needed"
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:set previousIP $currentIP
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# The update URL. Note the "\3F" is hex for question mark (?). Required since ? is a special character in commands.
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:local url "http://bifrost.tanshu.com/update\3Fdomain=$host"
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:log info "TanDNS: Sending update for $host"
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/tool fetch url=$url user=$user password=$pass mode=http keep-result=no
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:log info "TanDNS: Host $host updated on TanDNS with IP $currentIP"
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} else={
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:log info "TanDNS: Previous IP $previousIP and current IP equal, no update need"
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}
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} else={
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:log info "TanDNS: $inetinterface is not currently running, so therefore will not update."
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}
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```
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#### 2. Schedule the script
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Create the following schedule with name `TanDNS-Update` and the following permissions `write, test, read, policy`, `5 minute` interval and `TanDNS` On Event. |