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SSL VPN Full Tunnel not routing IPv4 traffic

I have an SSL VPN setup with Full Tunnel. It works fine if I connect from places with IPv4 only. However, when I connect from a mobile phone with IPv6, I can't route anything that is IPv4. The VPN global setting is set to IPv4 only.

Please help.

Firewall is Sophos XG Home v20

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Hugh D 8 months ago in reply to Erick Jan +2 suggested

Hi Erick, My organisation is also experiencing this issue, which has only just reared its head with OpenVPN Connect for Android self-updating to v3.4.0 When we roll the app back, it works fine. OpenVPN…

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0 Erick Jan 8 months ago
Hi DangoPC,

Thank you for reaching out to Sophos Community.

Kindly try to set the lease mode to Ipv4 and IPv6 both under SSL VPN global Settings

Also, create an Allow rule for IPv6 to pass through your Firewall to LAN.

Check the log viewer and do a Packet capture to determine what has transpired with the packet.

Kindly see the following post with similar cases

Enable IPv6 on SSL VPN

Sophos XG v18MR3 SophosConnect v2. Problems with IPv6 and DNS
Erick Jan
Community Support Engineer | Sophos Technical Support
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+1 Hugh D 8 months ago in reply to Erick Jan

Hi Erick,

My organisation is also experiencing this issue, which has only just reared its head with OpenVPN Connect for Android self-updating to v3.4.0

When we roll the app back, it works fine. OpenVPN Connect for Windows and iOS seem to still be working correctly.

Thanks,

Hugh.
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0 emmosophos 8 months ago in reply to Hugh D

Hello there,

Thank you for contacting the Sophos Community.

If you’re able to replicate this issue, please open a Case with Support and share the Case ID with us.

Regards,

Emmanuel (EmmoSophos)

Technical Team Lead, Global Community Support
Sophos Support Videos | Product Documentation | @SophosSupport | Sign up for SMS Alerts
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0 DangoPC 8 months ago in reply to Hugh D

Thanks for the info. Now my question is where to find the OpenVPN v3.3 apk? I don't download the option on the OpenVPN website for APKs.
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0 Hugh D 8 months ago in reply to DangoPC

openvpn-connect.en.uptodown.com/.../versions
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0 DangoPC 8 months ago in reply to Hugh D

Thanks a lot. Can confirm it works with the 3.3.4 version. I still see the parsing error, but it's routing traffic now at least.
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0 DangoPC 8 months ago in reply to Hugh D

Thanks a lot. Can confirm it works with the 3.3.4 version. I still see the parsing error, but it's routing traffic now at least.
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