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Mikrotik script to update a dynamic DNS host and IPsec policy
##############Script Settings##################
:local DDNSUser "username"
:local DDNSPass "password"
:local DDNSDomain "yourhost.ddns.net"
:local DDNSServer "https://members.dyndns.org/v3/update"
:local WANInter "pppoe-out1"
###############################################
:local IpCurrent [/ip address get [find interface=$WANInter] address];
:for i from=( [:len $IpCurrent] - 1) to=0 do={
:if ( [:pick $IpCurrent $i] = "/") do={
:local NewIP [:pick $IpCurrent 0 $i];
:if ([:resolve $DDNSDomain] != $NewIP) do={
/tool fetch mode=https user=$DDNSUser password=$DDNSPass url="$DDNSServer\3Fhostname=$DDNSDomain&myip=$NewIP" keep-result=no
:log info "DDNS Update: $DDNSDomain - $NewIP"
:log info "IPsec: Updating IPsec Policy."
/ip ipsec policy set [find comment="myIPsec"] sa-src-address=$NewIP
:log info "IPsec: IPsec Policy updated."
}
}
}
@fastzombies

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fastzombies commented Nov 23, 2016

Hello, what version of RouterOS is this for? Will it work with 6.37.x? Thanks.

@adrianmo

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Owner

adrianmo commented Apr 18, 2017

Yes, it should work fine.

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