What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.

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    Firewall (Captive Portal) Bypass

    Asked by RSGuys on December 03, 2015 at 06:45 AM


    We use a captive portal to prevent customers using our internet access until they have signed up and paid.  We want to allow our JotForm to bypass the captive portal and can do this by whitelisting your URLs.

    Could I please have a list of domains / subdomains I need to allow access to?



    Page URL:

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    JotForm Support

    Answered by Charlie on December 03, 2015 at 08:34 AM

    You can check the IPs address and domain name server list on this guide: http://www.jotform.com/help/145-Whitelisting-JotMails-IP-Addresses.

    You can also whitelist the following domain names:




    jotformeu.com and eu.jotform.com 







    I hope that helps.

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    Answered by RSGuys on December 03, 2015 at 08:45 AM


    Thanks for the info - I'll give it a go and report back here.


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    Answered by RSGuys on January 19, 2016 at 09:27 AM


    This info seems to have helped.

    Much Appreciated!


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    JotForm Support

    Answered by Charlie on January 19, 2016 at 10:36 AM

    Thank you for updating us. I'm glad the issue has now been finally resolved. 

    Just a heads up, I see you are located in EU. There is currently a problem on forms and submission located in EU. Our backend teams are aware of the problem and are currently working on to restore everything to normal. If you experienced any problems, please feel free to open a new thread here in the forum. Apologies for the inconvenience.