Grsecurity ubuntu

1. What is Grsecurity Ubuntu?
2. What is Grsecurity in Linux?
3. What are alternatives to Grsecurity?
4. What is PaX grsecurity?

What is Grsecurity Ubuntu?

What is grsecurity? Grsecurity^® is an extensive security enhancement to the Linux kernel that defends against a wide range of security threats through intelligent access control, memory corruption-based exploit prevention, and a host of other system hardening that generally require no configuration.

What is Grsecurity in Linux?

Grsecurity is a set of patches for the Linux kernel which emphasize security enhancements. The patches are typically used by computer systems which accept remote connections from untrusted locations, such as web servers and systems offering shell access to its users.

What are alternatives to Grsecurity?

There are six alternatives to grsecurity for Linux, Fedora and Xen. The best alternative is Qubes OS, which is both free and Open Source. Other great apps like grsecurity are SELinux, AppArmor, CLIP OS and Smack. grsecurity alternatives are mainly Operating Systems but may also be Linux Distros.

What is PaX grsecurity?

PaX (grsecurity) is part of Hardened Gentoo. PaX features are part of OpenBSD (MagicPoint presentation) non-executable stack pages based on the segmentation logic implemented by the Openwall Project. non-executable stack and heap pages based on the segmentation logic implemented in RSX (link down)