We are trying to use sentry.io on a shared hosting environment from world4you. Sentry is integrated as a Symfony Bundle within a Contao 4 installation.
Unfortunately, no exceptions are sent to sentry. I noticed, that the hosting environment is unable to connect to sentry:
$ curl https://sentry.io/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 curl: (7) Failed to connect to sentry.io port 443: Connection refused
According to the hosting provider, no outgoing connections are blocked and it seems that sentry is simply refusing the connection.
Does sentry refuse the connection when coming from specific servers? How could I resolve this issue?