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'Real' Shell Access to modify config-Files (edit Dyndns-Settings)

MarkusArndt

I must quickly migrate from UTM 9 to XG because my private network (3 families) exceeds the limit of 50 devices (handys for the Kids ... :-)
To reach my homenet from the outside is (unfortunately ;-) a core-requirement of my family and we can't get a static IP from my provider.

The new firewall has no DynDNS-Support for my (free) DynDNS provider selfhost.eu, but the Protocoll is DynDNS.org-kompatible, which is directly supported in the dropdownbox.

I thought it must be possible to change the service-url for the ip-update in a config-file. So I found an old post, which adresses this problem and someone wrote (for UTM9): "Modify /var/confd/res/dyndns/features.ph to change URI from DynDNS directly"

But in the console of the new XG I can only choose predefined commands and can't edit and navigate the underlying filesystem (except using a hard-disk editor and change the bits directly).

Can somebody give me a tip, how I can solve this problem? (e.g. free console-acess or another workaround to modify the right config file in the new UTM version)

(Loosing support / warranty for the whole system after file-modification is no big problem for me, because it's a private license at home and nobody dies when something goes wrong ... :-)



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  • +1
    I solved the Problem myself and it works with selfhost.eu now:

    - Logon to Sophos XG via Putty
    - Select 5 and 3 for Console (Thanks to lferrara!)
    - List all Dyndns-Provider with command
    psql -U nobody -d corporate -c "select * from tblddnsserviceprovider"
    - The Entry with ID 1 is Provider 'Dyndns' with Protokoll 'dyndns2' and the korrekt Provider-URL
    - My free Dyndns-Provider, selfhost.eu, offers the same Protocoll dyndns2 with his own Update-URL (= carol.selfhost.de)
    - I upgraded the URL with the folowing command:
    psql -U nobody -d corporate -c "update tblddnsserviceprovider set serverstring = 'carol.selfhost.de' where serviceproviderid=1"
    - I restarted the XG but I don't know, if it's really necressary.
    - I added Dyndns-Config for Provider "Dyndns" in the WebConsole with HostName and Credetials from selfhost.eu.

    After Reconnecting the WAN-Interface (DSL/PPPoE) the Sophos sucessully upgrades the Public IP at selfhost!! :-)

    (
    At first I try to insert an own entry in the table tblddnsserviceprovider but this was a bad idea. The Dyndns-client-Service from XG-OS went "red" and doesn't start anymore!?? To get it working again I and dropped my new entry.
    Unfortunally I can't update or delete Dyndns-Lines in WebConsole after this try. After deleting the Account via database
    psql -U nobody -d corporate -c "delete from tblddnsaccountdetail"
    the client-process starts without problems, when I restarted the XG.
    So - no warranty for not destroying your Database ... :-)
    )

    But when you only upgrade the URL from an existing Provider-Entry the risik is very small I think.

    This hack will surly work with many other Dyndns-Providers, when they offer the dyndns2-Protokoll to update the IP.
  • 0 in reply to MarkusArndt

    This post is from 2016 and this feature is still not working out of the box.

    A pity

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