VPS not accesible from SSH or SFTP but i can access through the console access in Digital Ocean

Do you know if your home network is blocking any ports? have you tried from another computer, or maybe from your phone? (there is a lot of ssh clients around, try to install one on your phone and see if it connects)

My VPS is Ubuntu with 1 GB ram. The steps in detail which I took to regain access from digital ocean console is as follows:

1. Tried finding my IP address in the iptables blocked list. It was not listed there.
2. Disabled UFW and Enabled UFW - Couldn’t access the website. Even server’s outbound traffic was blocked (Checked by command apt-get update)
3. service ufw stop - This time outbound and inbound traffic was smooth. But, couldn’t access the website got an error 502 bad gateway.
4. IPTABLES -F, to flush iptables. Not respite.
5. service apache-sp restart and service nginx-restart. Still got 502 nginx error.
6. Finally, rebooted the server and everything worked fine.