The image file can be on local disk, ssh server, samba server, NFS server or WebDAV server.Bittorrent (BT) is supported in Clonezilla lite server, which is suitable for massive deployment.You can also remotely use it to save or restore a bunch of computers if PXE and Wake-on-LAN are supported in your clients. Multicast is supported in Clonezilla SE, which is suitable for massive clone.
This is done with ecryptfs, a POSIX-compliant enterprise cryptographic stacked filesystem.
Therefore you can clone GNU/Linux, MS windows, Intel-based Mac OS, FreeBSD, NetBSD, OpenBSD, Minix, VMWare ESX and Chrome OS/Chromium OS, no matter it's 32-bit (x86) or 64-bit (x86-64) OS. Many File systems are supported: (1) ext2, ext3, ext4, reiserfs, reiser4, xfs, jfs, btrfs, f2fs and nilfs2 of GNU/Linux, (2) FAT12, FAT16, FAT32, exFAT and NTFS of MS Windows, (3) HFS+ and APFS of Mac OS, (4) UFS of FreeBSD, NetBSD, and OpenBSD, (5) minix of Minix, and (6) VMFS3 and VMFS5 of VMWare ESX.