Nextcloud application magazine cannot install any app

NethServer release 7.5.1804 (final)
Module: nextcloud
when i try install any app in nextcloud, push enable on app, i get this error
cURL error 35: Encountered end of file
i do not know, what is it. How can i install Talk in nextcloud with this error?

the same, problem in surricata

How did you find it?

Here in forum

Can you recomend some options for IPS… now i download rules and choose alert. May be need some block or disable?

Here are some recommendations about IPS rules: