Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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Sophos Firewall v18 AWS site-to-site VPN connected but no traffic PING SSH

Well, I have followed this step-by-step, exactly:

....and while the VPN shows "UP" in both AWS and my Sophos VPN section, I cannot PING or SSH to my test EC2 instance. In the bottom screenshot you'll see I have PING and SSH allowed from anywhere ( I've been at it for hours, first because I mistakenly followed the v17. Even with the v17 how-to, my VPN said it was up in AWS and Sophos VPN section. Then I found v18 and thought for sure I would have success. No such luck.

At one point I got stuck at the part where I couldn't find my "xfrm" interface until I realize that little vertical blue line meant I could expand my WAN interface, thanks to THIS ARTICLE. Again, I thought for sure I would have success. No such luck again, and now I'm at a loss. 

The only difference I've noticed between my setup and the setup in the link above, is in Step 9 and Step 10, I have "xfrm1" not "xfrm2".

Anyone know where I should start with troubleshooting?

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  • DJB - I would highly recommend you reach out to support directly after you attempt to set this up again or you could engage our professional services team if you have the hours banked (or you could purchase an hour or 2 by reaching out to your partner or local sales team).  The advantage of the pro team is they are focused on deployment and educating our customers and reducing any frustration you may have with some more advanced setups like this one.  Support is focused on break/fix scenarios and are not for deployment and education scenarios.  I myself have this environment working in my lab and it works very well, but there are some gotcha's that can trip you up at various stages and its hard to troubleshoot over a forum!

    Brian Ritchie
    Senior Solutions Engineer
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  • Thanks. I am about to go through the document and start from scratch again. Other than the IP addresses, it's a very static environment so I kind of expected, if I followed the document step-by-step, I'd have a working setup. I understand troubleshooting over a forum can be difficult, but off the top of your head can you remember any gotcha's I should be aware of?