Receive OpenSSL error from one IP and another one IP is normal

SSL_ERROR_SYSCALL

One destination IP address able to connect another cannot. 

Solution: Add the URL to URL whitelist on Cloud Fortinet Fortigate Firewall

Identifying and preventing unwanted DNS queries from FortiGate's FQDN Address ObjectYES

FQDN on firewall rule to AWS service, sometime need to fine tune the DNS TTL

Reference:

Identifying and preventing unwanted DNS q... - Fortinet Community

Explanation of the FQDN default cache-ttl... - Fortinet Community

How to deal with FQDN with short DNS TTL - Fortinet Community

How To Change Session TTL For A Firewall Policy In FortiGate (hex64.net)

Fortigate DNS and Server DNS different case connection rejected on firewall

When the destination URL on CDN e.g. AWS. 

If your Fortigate DNS and Server DNS different case connection denied on firewall

Solution:

To align with those device DNS is same.

How to check Lenovo Laptop "Type"

When you select the BIOS update, you will see there is a "Type" under the laptop model:

To check your laptop "Type", go to the system information and check the "system Model" and "BaseBoard Product":

Install Deepin 23 on DELL 5400 laptop

After the installation, you will need to run the system update to install several update.