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[Linux操作系统]Linux系统安全防护软件的安装与配置攻略|linux安全防护做哪些,Linux系统 安全防护软件安装配置

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本文介绍了Linux操作系统安全防护软件的安装与配置方法,详细阐述了在Linux系统中进行安全防护的必要步骤,包括选择合适的安全防护软件、安装过程及后续的配置优化,旨在提高系统安全性和稳定性。

本文目录导读:

  1. Linux系统安全防护的重要性
  2. 常见Linux系统安全防护软件
  3. Linux系统安全防护软件的安装与配置

随着信息化时代的快速发展,网络安全问题日益凸显,尤其是对于广泛使用的Linux系统,其安全性显得尤为重要,本文将详细介绍如何在Linux系统中安装和配置常见的安全防护软件,以增强系统安全防护能力。

Linux系统安全防护的重要性

Linux系统以其稳定性和安全性著称,但并不意味着它可以完全抵御网络攻击,随着网络攻击手段的不断升级,Linux系统也需要采取相应的安全防护措施,以下是几个加强Linux系统安全防护的重要性:

1、保护系统数据:防止数据泄露、篡改或丢失。

2、防范恶意攻击:抵御病毒、木马、黑客等恶意攻击。

3、提升系统稳定性:减少系统故障和崩溃的风险。

4、符合法规要求:满足信息安全法规和标准。

常见Linux系统安全防护软件

1、防火墙软件:如iptables、firewalld等。

2、安全审计软件:如auditd、ossec等。

3、杀毒软件:如ClamAV等。

4、安全加固软件:如AppArmor、SELinux等。

5、安全漏洞扫描工具:如Nessus、OpenVAS等。

Linux系统安全防护软件的安装与配置

1、防火墙软件的安装与配置

(1)安装iptables

sudo apt-get update
sudo apt-get install iptables

(2)配置iptables规则

编辑iptables规则文件:

sudo vi /etc/iptables/rules.v4

添加以下规则:

*nat
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
COMMIT
*mangle
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
COMMIT
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type echo-request -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -j DROP
COMMIT

(3)重启iptables服务

sudo systemctl restart iptables

2、安全审计软件的安装与配置

(1)安装auditd

sudo apt-get install auditd

(2)配置auditd规则

编辑auditd规则文件:

sudo vi /etc/audit/rules.d/audit.rules

添加以下规则:

-w /etc/passwd -p warx -k password_change
-w /etc/shadow -p warx -k password_change
-w /etc/group -p warx -k group_change
-w /etc/gshadow -p warx -k group_change
-a always,exit -F arch=b64 -S creat,open,truncate,link,unlink,chmod,chmod,chmod, chown,chown,chown -k file_create
-a always,exit -F arch=b64 -S creat,open,truncate,link,unlink,chmod,chmod,chmod, chown,chown,chown -k file_modify
-a always,exit -F arch=b64 -S creat,open,truncate,link,unlink,chmod,chmod,chmod, chown,chown,chown -k file_delete

(3)重启auditd服务

sudo systemctl restart auditd

3、杀毒软件的安装与配置

(1)安装ClamAV

sudo apt-get install clamav clamav-daemon

(2)更新病毒库

sudo freshclam

(3)配置ClamAV

编辑ClamAV配置文件:

sudo vi /etc/clamav/clamd.conf

修改以下参数:

Uncomment the following line to enable scanning of removable drives
EnableOnAccess yes
Uncomment the following line to enable scanning of files in the home directory
HomeDir yes

(4)重启ClamAV服务

sudo systemctl restart clamav-daemon

4、安全加固软件的安装与配置

(1)安装AppArmor

sudo apt-get install apparmor apparmor-utils

(2)配置AppArmor

编辑AppArmor配置文件:

sudo vi /etc/apparmor.d/local

添加以下配置:

#include <tunables/global>
profile /usr/bin/python2.7 flags=(attach_disconnected) {
  #include <abstractions/base>
  #include <abstractions/python>
  /usr/bin/python2.7 {
    capability sys_admin,
    capability sys_module,
    capability sys_ptrace,
    capability sys_rawio,
    capability sys_tty_config,
    capability net_raw,
    capability net_admin,
    capability setuid,
    capability setgid,
    capability dac_override,
    capability dac_read_search,
    capability fowner,
    capability kill,
    capability setpcap,
    capability net_bind_service,
    capability net_reboot,
    capability ipc_lock,
    capability ipc_owner,
    capability mknod,
    capability ptrace,
    capability chown,
    capability fchown,
    capability fchmod,
    capability fsetuid,
    capability fsetgid,
    capability fchdir,
    capability chroot,
    capability pivot_root,
    capability sys_chroot,
    capability kmem,
    capability net_bypass_route,
    capability sys_nice,
    capability sys_pacct,
    capability sys_log,
    capability lease,
    capability mac_override,
    capability mac_admin,
    capability sysboot,
    capability audit_write,
    capability audit_control,
    capability setfcap,
    capability sys_resource,
    capability fs_dacrw,
    capability fs_dacwrite,
    capability fs_dacread,
    capability fs_maymount,
    capability fs_mayunmount,
    capability fs_modify_surface,
    capability fs_setattr,
    capability fs_getattr,
    capability fs_read,
    capability fs_write,
    capability fs_map,
    capability fs_unmap,
    capability fs_datasync,
    capability fs_async,
    capability fs_getaffles,
    capability fs_getdents,
    capability fs_readlink,
    capability fs_symlink,
    capability fs_link,
    capability fs_unlink,
    capability fs_create,
    capability fs_delete,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability fs_chown,
    capability fs_chgrp,
    capability fs_chmod,
    capability
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Linux系统 安全防护软件安装配置:linux安全设置

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