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How to use Let's encrypt Certificate for Firewall HTTPS page

Saquib Akhtar

How to use Let's encrypt certbot utility to generate ssl certificate for firewall https page ?

I am running the utility on a Linux System from inside organization and it's giving me http connect error as:

 

 

What could be the cause of above error?

The appliance is using self signed certificate right now.



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  • 0 in reply to Saquib Akhtar

    Hi,

    you will need this rule because the certbot will host a website on Port 80 and lets encrypt will try to access this website via port 80 to verify the domain.

    Cheers

  • 0 in reply to LuCar Toni

    After creating the rule for certbot, Now I have successfully secured my Sophos Appliance page with let's encrypt SSL.

    As the certificate is valid for 90 days, if I forgot to renew it shall it effect the opening of the appliance page?

    Renewal process has to be done manually it seems.

  • +1 in reply to Saquib Akhtar

    True, you have to do the process again after 90 days. Would recommend to schedule a reminder (as i do so). 

    Tbh, the process will take 10 mins, overall 40 minute in 1 year. Would be possible to script something (cronjob with XML API script to enable the DNAT rule and XML API push to replace the cert). 

    Maybe i will do this one time... 

    You will get a normal "invalid / expired" certificate alert after 90 days.