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Cloudron Forum

Apps | Demo | Docs | Install

Bad argument `eth0' openvpn after update

Scheduled Pinned Locked Moved OpenVPN
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  • J Offline
    J Offline
    JLX89
    replied to girish on last edited by
    #1

    Is anyone else getting a "Bad argument `eth0' openvpn" after updating OpenVPN with the IPv6 update?

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  • A Offline
    A Offline
    ApplegateR
    replied to girish on last edited by
    #2

    @girish Screenshot_20220525-093128_Chrome.jpg

    I getting this error...

    A 1 Reply Last reply
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  • A Offline
    A Offline
    ApplegateR
    replied to ApplegateR on last edited by
    #3

    @ApplegateR updated automatically yesterday and it can't run it was not respond.

    girishG 1 Reply Last reply
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  • J Offline
    J Offline
    JLX89
    wrote on last edited by
    #4

    @ApplegateR , we might want to spin this off into a support topic. @girish Can we get this split into a new topic?

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  • girishG Offline
    girishG Offline
    girish Staff
    replied to ApplegateR on last edited by girish
    #5

    @ApplegateR @JLX89 Can you tell me which Ubuntu version you are on?

    Also, I assume both of you are already on 7.2.1 ?

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  • A Offline
    A Offline
    ApplegateR
    replied to girish on last edited by
    #6

    @girish
    Platform versionv7.2.1 (Ubuntu 20.04.4 LTS)

    girishG 2 Replies Last reply
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  • girishG Offline
    girishG Offline
    girish Staff
    replied to ApplegateR on last edited by girish
    #7

    @ApplegateR Does your server have IPv6 ?

    Maybe the auto detection logic in the package is wrong. I did test all the combinations (ubuntu+ipv6 availability+iptables/nftables) but looks like I missed something.

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  • girishG Offline
    girishG Offline
    girish Staff
    replied to ApplegateR on last edited by
    #8

    @ApplegateR Ah! Sorry, I know what the problem is. There is a bug in the update.

    Can you please add this line in /app/data/openvpn.conf using the File manager:

    server-ipv6 fd42:feed:feed:feed::/64
    

    That should fix it. I will make a new package in the meantime.

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  • A Offline
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    ApplegateR
    replied to girish on last edited by
    #9

    @girish it does fixed, thank you now I am testing to make sure.

    girishG 1 Reply Last reply
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  • girishG Offline
    girishG Offline
    girish Staff
    replied to ApplegateR on last edited by girish
    #10

    @ApplegateR Your IPv6 should also be hidden now (only if your server has IPv6 though). You can use https://www.whatismyip.com/ or https://www.iplocation.net/find-ip-address

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  • A Offline
    A Offline
    ApplegateR
    replied to girish on last edited by
    #11

    @girish alright going to test that

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  • A Offline
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    ApplegateR
    replied to ApplegateR on last edited by
    #12

    @ApplegateR great work. My server disabled ipv6. And it still detected my phone tower ipv6 instead cloudron server was it because my cloudron disabled ipv6?

    If I try switch to public on ipv6 I still get error this message

    AddressUnable to detect IPv6.
    API server (ipv6.api.cloudron.io) unreachable

    girishG 1 Reply Last reply
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  • girishG Offline
    girishG Offline
    girish Staff
    replied to ApplegateR on last edited by
    #13

    @ApplegateR said in Bad argument `eth0' openvpn after update:

    If I try switch to public on ipv6 I still get error this message

    Currently, the IPv6 detection is only done on the app startup. So, if you add/remove IPv6 on the fly, you have to restart the app.

    A 1 Reply Last reply
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  • A Offline
    A Offline
    ApplegateR
    replied to girish on last edited by
    #14

    @girish okay it disabled and I did restart the app and I still get leak ipv6. So I guessing something configure is missing that bypass ipv6 I think.. but will look more into it 🙂

    girishG 1 Reply Last reply
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  • girishG Offline
    girishG Offline
    girish Staff
    replied to ApplegateR on last edited by
    #15

    @ApplegateR The openvpn.conf should have push "redirect-gateway def1 ipv6 bypass-dhcp" . If it does, then it's probably a client side thing. Are you on a Mac ? I only tested this the setting on linux.

    A 1 Reply Last reply
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  • A Offline
    A Offline
    ApplegateR
    replied to girish on last edited by
    #16

    @girish i on phone galaxy but I notice my Linux wasn't show ipv6 which is working great.

    A 1 Reply Last reply
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  • A Offline
    A Offline
    ApplegateR
    replied to ApplegateR on last edited by
    #17

    @ApplegateR

    In openvpn.conf

    push "redirect-gateway def1 bypass-dhcp"

    Not showing ipv6 so I added second line below that. Let see test see if it works.

    push "redirect-gateway def1 bypass-dhcp"
    push "redirect-gateway def1 ipv6 bypass-dhcp"

    A 2 Replies Last reply
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  • A Offline
    A Offline
    ApplegateR
    replied to ApplegateR on last edited by
    #18
    This post is deleted!
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  • A Offline
    A Offline
    ApplegateR
    replied to ApplegateR on last edited by
    #19

    @ApplegateR switch to data on my phone and it still get ipv6 however on wifi does not show ipv6

    J 1 Reply Last reply
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  • J Offline
    J Offline
    JLX89
    replied to ApplegateR on last edited by
    #20

    @ApplegateR Thanks! Yes, the app will now start without issue, but it's not pushing the IPv6 address -- which isn't a huge issue for us at the moment.

    A 1 Reply Last reply
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