+++ /dev/null
-# SSH Rootcheck
-#
-# v1.0 2016/01/20
-# Created by Wazuh, Inc. <ossec@wazuh.com>.
-# jesus@wazuh.com
-# This program is a free software; you can redistribute it and/or modify it under the terms of GPLv2
-#
-
-
-$sshd_file=/etc/ssh/sshd_config;
-
-
-# Listen PORT != 22
-# The option Port specifies on which port number ssh daemon listens for incoming connections.
-# Changing the default port you may reduce the number of successful attacks from zombie bots, an attacker or bot doing port-scanning can quickly identify your SSH port.
-[SSH Hardening - 1: Port 22 {PCI_DSS: 2.2.4}] [any] [1]
-f:$sshd_file -> !r:^# && r:Port\.+22;
-
-
-# Protocol 2
-# The Protocol parameter dictates which version of the SSH communication and encryption protocols are in use.
-# Version 1 of the SSH protocol has weaknesses.
-[SSH Hardening - 2: Protocol 1 {PCI_DSS: 2.2.4}] [any] [2]
-f:$sshd_file -> !r:^# && r:Protocol\.+1;
-
-
-# PermitRootLogin no
-# The option PermitRootLogin specifies whether root can log in using ssh.
-# If you want log in as root, you should use the option "Match" and restrict it to a few IP addresses.
-[SSH Hardening - 3: Root can log in] [any] [3]
-f:$sshd_file -> !r:^# && r:PermitRootLogin\.+yes;
-f:$sshd_file -> r:^#\s*PermitRootLogin;
-
-
-# PubkeyAuthentication yes
-# Access only by public key
-# Generally people will use weak passwords and have poor password practices. Keys are considered stronger than password.
-[SSH Hardening - 4: No Public Key autentication {PCI_DSS: 2.2.4}] [any] [4]
-f:$sshd_file -> !r:^# && r:PubkeyAuthentication\.+no;
-f:$sshd_file -> r:^#\s*PubkeyAuthentication;
-
-
-# PasswordAuthentication no
-# The option PasswordAuthentication specifies whether we should use password-based authentication.
-# Use public key authentication instead of passwords
-[SSH Hardening - 5: Password Authentication {PCI_DSS: 2.2.4}] [any] [5]
-f:$sshd_file -> !r:^# && r:PasswordAuthentication\.+yes;
-f:$sshd_file -> r:^#\s*PasswordAuthentication;
-
-
-# PermitEmptyPasswords no
-# The option PermitEmptyPasswords specifies whether the server allows logging in to accounts with a null password
-# Accounts with null passwords are a bad practice.
-[SSH Hardening - 6: Empty passwords allowed {PCI_DSS: 2.2.4}] [any] [6]
-f:$sshd_file -> !r:^# && r:PermitEmptyPasswords\.+yes;
-f:$sshd_file -> r:^#\s*PermitEmptyPasswords;
-
-
-# IgnoreRhosts yes
-# The option IgnoreRhosts specifies whether rhosts or shosts files should not be used in authentication.
-# For security reasons it is recommended to no use rhosts or shosts files for authentication.
-[SSH Hardening - 7: Rhost or shost used for authentication {PCI_DSS: 2.2.4}] [any] [7]
-f:$sshd_file -> !r:^# && r:IgnoreRhosts\.+no;
-f:$sshd_file -> r:^#\s*IgnoreRhosts;
-
-
-# LoginGraceTime 30
-# The option LoginGraceTime specifies how long in seconds after a connection request the server will wait before disconnecting if the user has not successfully logged in.
-# 30 seconds is the recommended time for avoiding open connections without authenticate
-[SSH Hardening - 8: Wrong Grace Time {PCI_DSS: 2.2.4}] [any] [8]
-f:$sshd_file -> !r:^# && r:LoginGraceTime && !r:30\s*$;
-f:$sshd_file -> r:^#\s*LoginGraceTime;
-
-
-# MaxAuthTries 3
-# The MaxAuthTries parameter specifices the maximum number of authentication attempts permitted per connection. Once the number of failures reaches half this value, additional failures are logged.
-# This should be set to 3.
-[SSH Hardening - 9: Wrong Maximum number of authentication attempts {PCI_DSS: 2.2.4}] [any] [9]
-f:$sshd_file -> !r:^# && r:MaxAuthTries && !r:3\s*$;
-f:$sshd_file -> r:^#\s*MaxAuthTries;
-f:$sshd_file -> !r:MaxAuthTries;
projects / ossec-hids.git / blobdiff