Download (and install) the Cisco Anyconnect VPN client.
Follow the instructions for IISc Cisco VPN.
sudo apt-get install openconnect
sudo openconnect vpn.iisc.ernet.in
Accept the self-signed certificate
Provide credentials (username/password)
Once the vpn tunnel is opened, keep it running in the background
Download and install an FTP client such as winscp
Login to the IISc network using the Anyconnect VPN client (as described above).
Choose the “SFTP” protocol. The “host name” is 10.134.1.11 (the IP address of the mathematics server). The port number is 22. Click on the login button.
Enter your username (for instance, if your IISc email is firstname.lastname@example.org, then your username is einstein) and your password. Now you can start transferring files.
DNS servers : 10.16.25.15, 10.16.25.13