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Sorry to hear you’re facing problems 
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Or for longer, use three backticks above and below the code snippet:
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example
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Nextcloud version (13.0.2snap1):
Operating system and version (Ubuntu 16.04):
Apache or nginx version (Apache 2.4.18-2ubuntu3):
PHP version (7.0+35ubuntu6):
The issue you are facing:
ERR_SSL_PROTOCOL_ERROR
Is this the first time you’ve seen this error? (Y/N): YES
Steps to replicate it:
- if acces nextcloud from outside (outside IP) I have this error.
If acces nextcloud in local network I can acces via https with no problem.
I installed nextlcoud from this instruction
The output of your Nextcloud log in Admin > Logging:
no logs
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
cat /var/snap/nextcloud/6916/nextcloud/config/config.php
<?php
$CONFIG = array (
'apps_paths' =>
array (
0 =>
array (
'path' => '/snap/nextcloud/current/htdocs/apps',
'url' => '/apps',
'writable' => false,
),
1 =>
array (
'path' => '/var/snap/nextcloud/current/nextcloud/extra-apps',
'url' => '/extra-apps',
'writable' => true,
),
),
'supportedDatabases' =>
array (
0 => 'mysql',
),
'memcache.locking' => '\\OC\\Memcache\\Redis',
'memcache.local' => '\\OC\\Memcache\\Redis',
'redis' =>
array (
'host' => '/tmp/sockets/redis.sock',
'port' => 0,
),
'passwordsalt' => '*****',
'secret' => '*****',
'trusted_domains' =>
array (
0 => 'localhost',
1 => '192.168.1.XXX',
),
'datadirectory' => '/var/snap/nextcloud/common/nextcloud/data',
'overwrite.cli.url' => 'http://localhost',
'dbtype' => 'mysql',
'version' => '13.0.2.1',
'dbname' => 'nextcloud',
'dbhost' => 'localhost:/tmp/sockets/mysql.sock',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'nextcloud',
'dbpassword' => '******',
'installed' => true,
'instanceid' => '*******',
);
The output of your Apache/nginx/system log in /var/log/____:
no apache log in /var/log/