Hardening Guide v2.3.5 Hardening Guide v2.3.5 1 3 3 4 5 6 14 21 Contents Overview Configure Kernel Runtime Parameters Configure etcd user and group Ensure that all Namespaces have Network configuration Hardened Reference Ubuntu 18.04 LTS cloud-config: Hardening Guide v2.3.5 2 This document provides prescriptive guidance for hardening a production installation of Rancher v2.3.5. It outlines the Security (CIS). This hardening guide describes how to secure the nodes in your cluster, and it is recommended to follow this guide before installing Kubernetes. This hardening guide is intended to be

Hardening Guide v2.4 Hardening Guide v2.4 1 3 4 4 5 7 14 21 Contents Overview Configure Kernel Runtime Parameters Configure etcd user and group Ensure that all Namespaces have Network Policies configuration Hardened Reference Ubuntu 18.04 LTS cloud-config: Hardening Guide v2.4 2 This document provides prescriptive guidance for hardening a production installation of Rancher v2.4. It outlines the Security (CIS). This hardening guide describes how to secure the nodes in your cluster, and it is recommended to follow this guide before installing Kubernetes. This hardening guide is intended to be

Rancher_Hardening_Guide.md 11/30/2018 1 / 24 Rancher Hardening Guide Rancher v2.1.x Version: 0.1.0 - November 26th 2018 Overview This document provides prescriptive guidance for hardening a production Configure default sysctl settings on all hosts Profile Applicability Level 1 Description Rancher_Hardening_Guide.md 11/30/2018 2 / 24 Configure sysctl settings to match what the kubelet would set if allowed configuration on all control plane nodes Profile Applicability Level 1 Description Rancher_Hardening_Guide.md 11/30/2018 3 / 24 Create a Kubernetes encryption configuration file on each of the RKE

Fuzzing • Bounds-checked data structures • Checked C, Deputy • -fbounds-safety, buffer hardening Temporal safetySpatial safety • BufferCheck (soon), SAL • ASAN, GWP-ASAN, HWASAN + Fuzzing • Bounds-checked data structures • Checked C, Deputy • -fbounds-safety, buffer hardening Temporal safety MSpatial safety • BufferCheck (soon), SAL • ASAN, GWP-ASAN, HWASAN + Fuzzing • Bounds-checked Bounds-checked data structures • Checked C, Deputy • -fbounds-safety, buffer hardening Temporal safety p MSpatial safety • BufferCheck (soon), SAL • ASAN, GWP-ASAN, HWASAN + Fuzzing • Bounds-checked

comment lines for the released package. #export DH_VERBOSE = 1 #export DEB_BUILD_MAINT_OPTIONS = hardening=+all #export DEB_CFLAGS_MAINT_APPEND = -Wall -pedantic #export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed debhello-0.0/debian/rules #!/usr/bin/make -f export DH_VERBOSE = 1 export DEB_BUILD_MAINT_OPTIONS = hardening=+all export DEB_CFLAGS_MAINT_APPEND = -Wall -pedantic export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed DEB_LDFLAGS_MAINT_APPEND 可以强制链接器只对真正需要的库进行链接。2 1这里的做法是为了进行加固而强制启用只读重定位链接，以此避免 lintian 的警告“W: debhello: hardening-no-relro us- r/bin/hello”。其实它在本例中并不是必要的，但加上也没有什么坏处。对于没有外部链接库的本例来说，lintian 似乎给出了误报的 警告。 2这里的做法是为

(Medium) DAP-01-011 WP2: HTTP Parameter Pollution in Hashicorp secret vault (Low) Orchestration Hardening Network Policy Zero-Trust Concepts RBAC Secrets Management Conclusions Cure53, Berlin · 07/01/20 deployment choices of the developers - and eventually the operators, a section on Orchestration Hardening was included, detailing some general approaches to improving the security of a Dapr installation reiterates the verdict based on the testing team’s observations and collected evidence. Tailored hardening recommendations for Dapr are also incorporated into the final section. Cure53, Berlin

exposed within the cluster. • The default istio profile that is labeled for produc- tion lacks many hardening controls and should be replaced with a more secure-by-default option. • The Pilot admin interface opinionated cluster configuration will help guide users towards building secured environments. • Expand hardening documentation: While there were a variety of areas where documentation could improve, it may make there will be growing need to be clear about what security choices are relevant, standards for hardening, and clear direction on which features should work with others to provide the most secure environment

This document is a companion to the Rancher v2.4 security hardening guide. The hardening guide provides prescriptive guidance for hardening a production installation of Rancher, and this benchmark guide corresponds to specific versions of the hardening guide, Rancher, Kubernetes, and the CIS Benchmark: Self Assessment Guide Version Rancher Version Hardening Guide Version Kubernetes Version CIS Benchmark Benchmark Version Self Assessment Guide v2.4 Rancher v2.4 Hardening Guide v2.4 Kubernetes v1.15 Benchmark v1.5 Because Rancher and RKE install Kubernetes services as Docker containers, many of the control

This document is a companion to the Rancher v2.5 security hardening guide. The hardening guide provides prescriptive guidance for hardening a production installation of Rancher, and this benchmark guide specific versions of the hardening guide, Rancher, CIS Benchmark, and Kubernetes: Hardening Guide Version Rancher Version CIS Benchmark Version Kubernetes Version Hardening Guide with CIS 1.5 Benchmark