# Unable to resolve binding type, invalid or unsupported http request **URL:** \ **Category:** Product Support\ **Created:** [October 1, 2020, 8:58pm UTC](https://forum.mautic.org/t/unable-to-resolve-binding-type-invalid-or-unsupported-http-request/16392 "2020-10-01T20:58:03Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![michael\_kunz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/michael_kunz/32/422_2.png) [@michael\_kunz](https://forum.mautic.org/u/michael_kunz)\ **Post date:** [October 1, 2020, 8:58pm UTC](https://forum.mautic.org/t/unable-to-resolve-binding-type-invalid-or-unsupported-http-request/16392/1 "2020-10-01T20:58:03Z")
**Your software** My Mautic version is: v3.1.0 My PHP version is: 7.2.27 Ubuntu 16.04.6 LTS MySql Ver 8.0.18 **Your problem** My problem is: I am running Mautic on an AWS ec2 instance and it got really slow the last days. When I sent I a newsletter to 4k subscribers it aborted 3 times… So I upgraded the instance at AWS to a faster machine. After that I had issues with the letsencrypt SSL certificate. That seems to work now. But I cannot login anymore. When I type in my credentials at the login screen ([https://35.159.21.183/s/login](https://35.159.21.183/s/login)) I get the following error: **Unable to resolve binding type, invalid or unsupported http request** I thought maybe there is still an issue with the ssl certificate so I renewed it again, but it did not help… I restartet apache, the whole instance, MySql and deleted the cache. I restored a backup on the old small instance but I am getting the same error there… Does anybody have an idea what could cause that problem? Thank you so much! ---
**Author:** ![EJL](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ejl/32/12155_2.png) [@EJL](https://forum.mautic.org/u/EJL)\ **Post date:** [October 1, 2020, 10:10pm UTC](https://forum.mautic.org/t/unable-to-resolve-binding-type-invalid-or-unsupported-http-request/16392/2 "2020-10-01T22:10:36Z")
try this [https://everbill.info/s/login](https://everbill.info/s/login) ![Screenshot_2020-10-01 Mautic](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/e/ec09cb1f12a3c0d6c6d7eb0c671c29dc45f1cd2e.png) Firefox does not trust this site because it uses a certificate that is not valid for 35.159.21.183. The certificate is only valid for the following names: everbill.info, www.everbill.info ---
**Author:** ![michael\_kunz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/michael_kunz/32/422_2.png) [@michael\_kunz](https://forum.mautic.org/u/michael_kunz)\ **Post date:** [October 2, 2020, 6:31am UTC](https://forum.mautic.org/t/unable-to-resolve-binding-type-invalid-or-unsupported-http-request/16392/3 "2020-10-02T06:31:33Z")
Thank you for your reply, but I am getting the same error. I tried with Safari, Firefox, Chrome & Edge. With domain name or IP address, always the same error… If you want to try: even with wrong credentials the same error occurs. ---
**Author:** ![EJL](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ejl/32/12155_2.png) [@EJL](https://forum.mautic.org/u/EJL)\ **Post date:** [October 2, 2020, 2:48pm UTC](https://forum.mautic.org/t/unable-to-resolve-binding-type-invalid-or-unsupported-http-request/16392/4 "2020-10-02T14:48:01Z")
> [@Mautic 3. Can not login for first time](https://forum.mautic.org/t/mautic-3-can-not-login-for-first-time/15073): > > Your software \*My PHP version is :7.3.19-1 \*MariaDB version is: 10.3.22-MariaDB Apache/2.4.38 New installation no errors. I just install a mautic 3, in a new instance, there were no errors on installation. But just after install and first configuration (admin user, db connection…) , I got the first login page, but I can not login. The error is: Unable to resolve binding type, invalid or unsupported http request I have reviewed permissions but seems all it’s ok. I executed these scripts w… The fix in this case was > [@Mautic 3. Can not login for first time](https://forum.mautic.org/t/mautic-3-can-not-login-for-first-time/15073/4): > > Hello, I just had the same problem, try this: sudo a2enmod rewrite edit: sorry and restart apache2 with: sudo systemctl reload apache2 ---
**Author:** ![michael\_kunz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/michael_kunz/32/422_2.png) [@michael\_kunz](https://forum.mautic.org/u/michael_kunz)\ **Post date:** [October 2, 2020, 4:38pm UTC](https://forum.mautic.org/t/unable-to-resolve-binding-type-invalid-or-unsupported-http-request/16392/5 "2020-10-02T16:38:33Z")
Thanks, I can login again. There was still a problem with the certificate. I deleted certbot and used the [Bitnami Tutorial](https://docs.bitnami.com/aws/how-to/generate-install-lets-encrypt-ssl/) to renew the certifictae. Thank you for your help.