Red Hat Enterprise Linux 5.7 X64 Iso 84 |link| File

That is the closest “proper” public source for RHEL‑compatible 5.7 ISOs.

: If you do not have a paid subscription, you can register for the Red Hat Developer Program red hat enterprise linux 5.7 x64 iso 84

: Integrated OpenSCAP to provide a standardized approach for validating system security. That is the closest “proper” public source for

RHEL 5 was built on the 2.6.18 kernel. By version 5.7, that kernel had received backports of features from the 2.6.32 and 2.6.34 kernels (like better KVM virtualization and memory management) without breaking the Application Binary Interface (ABI). This meant software compiled for RHEL 5.0 in 2007 ran faster and safer on 5.7 without recompilation. red hat enterprise linux 5.7 x64 iso 84

: Improved 32-bit guest performance and increased the maximum number of attachable disks from 100 to 256. KVM Hypervisor