Parse sysctl
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@@ -0,0 +1,6 @@
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#!/usr/bin/env python3
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def postfix() -> dict:
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postfix = dict()
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return postfix
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@@ -6,6 +6,9 @@ def sysctl() -> list:
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sysctl = list()
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# https://access.redhat.com/security/sysctl/sysctl-2023-0179
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#####
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# CVE
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#####
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sysctl.append({
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"from": "cve",
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"id": "cve-2023-0179",
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@@ -20,7 +23,9 @@ def sysctl() -> list:
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})
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})
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#####
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# Best practice from CIS
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#####
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sysctl.append({
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"from": "cis",
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"id": "",
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@@ -29,5 +34,186 @@ def sysctl() -> list:
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP redirects IPv4",
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"flag": "net.ipv4.conf.all.accept_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable Accepting Source Routed packets IPv4 for all interfaces",
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"flag": "net.ipv4.conf.all.accept_source_route",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable Accepting Source Routed packets IPv4 for default interface",
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"flag": "net.ipv4.conf.default.accept_source_route",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP Secure redirects IPv4 for all interfaces",
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"flag": "net.ipv4.conf.all.secure_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP Secure redirects IPv4 for default interface",
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"flag": "net.ipv4.conf.default.secure_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Enable Log martian packets IPv4 for all interfaces",
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"flag": "net.ipv4.conf.all.log_martians",
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"value": 1,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Enable Log martian packets IPv4 for default interface",
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"flag": "net.ipv4.conf.default.log_martians",
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"value": 1,
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"level": "medium",
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})
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# https://lwn.net/Articles/277146/
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Enable TCP syn cookies IPv4",
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"flag": "net.ipv4.tcp_syncookies",
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"value": 1,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable IPv4 forwarding on all interfaces",
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"flag": "net.ipv4.ip_forward",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable IPv4 send redirects on all interfaces",
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"flag": "net.ipv4.conf.all.send_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable IPv4 send redirects on default interface",
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"flag": "net.ipv4.conf.default.send_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Enable IPv4 reverse path filtering on all interfaces",
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"flag": "net.ipv4.conf.all.rp_filter",
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"value": 1,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Enable IPv4 reverse path filtering on default interface",
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"flag": "net.ipv4.conf.default.rp_filter",
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"value": 1,
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"level": "medium",
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})
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# For IPv6
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable IPvi6 forwarding",
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"flag": "net.ipv6.conf.all.forwarding",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP redirects IPv6",
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"flag": "net.ipv6.conf.all.accept_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP redirects IPv6 for default interface",
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"flag": "net.ipv6.conf.default.accept_redirects",
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"value": 0,
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"level": "medium",
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})
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# https://datatracker.ietf.org/doc/html/rfc4861
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable Route Advertisements for IPv6 for all interfaces",
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"flag": "net.ipv6.conf.all.accept_ra",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable Route Advertisements for IPv6 for default interface",
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"flag": "net.ipv6.conf.default.accept_ra",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable Accepting Source Routed for IPv6 for all interfaces",
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"flag": "net.ipv6.conf.all.accept_source_route",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable Accepting Source Routed for IPv6 for default interface",
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"flag": "net.ipv6.conf.default.accept_source_route",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP Secure redirects IPv6 for all interfaces",
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"flag": "net.ipv6.conf.all.secure_redirects",
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"value": 0,
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"level": "medium",
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})
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sysctl.append({
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"from": "cis",
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"id": "",
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"description": "Disable ICMP Secure redirects IPv6 for default interface",
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"flag": "net.ipv6.conf.default.secure_redirects",
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"value": 0,
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"level": "medium",
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})
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return sysctl
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