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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,详细阐述了安装和配置过程中需要注意的要求。通过本文的指导,用户可以更好地保障Linux系统的安全,防止潜在的安全威胁。
本文目录导读:
随着信息化时代的到来,网络安全问题日益突出,Linux系统作为一种广泛应用于服务器和云计算平台的操作系统,其安全性尤为重要,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,以提升系统的安全性。
安装安全防护软件
1、安装防火墙软件
(1)安装iptables
iptables是Linux系统中一款强大的防火墙软件,可以通过以下命令安装:
sudo apt-get update sudo apt-get install iptables
(2)安装firewalld
firewalld是iptables的前端工具,提供了更为友好的操作界面,安装命令如下:
sudo apt-get install firewalld
2、安装病毒防护软件
(1)安装ClamAV
ClamAV是一款开源的病毒防护软件,可以扫描文件系统中的病毒,安装命令如下:
sudo apt-get install clamav
(2)安装rkhunter
rkhunter是一款检测Rootkit的工具,可以有效地发现系统中的恶意软件,安装命令如下:
sudo apt-get install rkhunter
3、安装其他安全防护软件
(1)安装fail2ban
fail2ban是一款监控日志文件,并在发现恶意行为时自动封禁IP地址的工具,安装命令如下:
sudo apt-get install fail2ban
(2)安装AppArmor
AppArmor是一款基于内核的安全模块,可以限制程序的权限,防止恶意软件利用漏洞,安装命令如下:
sudo apt-get install apparmor
配置安全防护软件
1、配置防火墙
(1)配置iptables
编辑iptables配置文件:
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] -A POSTROUTING -s 192.168.1.0/24 -o eth0 -j MASQUERADE 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] -A INPUT -i lo -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p tcp -m multiport --dports 22,80,443 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT
重启iptables服务:
sudo systemctl restart netfilter-persistent
(2)配置firewalld
编辑firewalld配置文件:
sudo vi /etc/firewalld/zones/public.xml
添加以下内容:
<zone> <short>public</short> <description>Public zone, used for external networks.</description> <service name="ssh"/> <service name="http"/> <service name="https"/> <port protocol="tcp" port="22"/> <port protocol="tcp" port="80"/> <port protocol="tcp" port="443"/> </zone>
重启firewalld服务:
sudo systemctl restart firewalld
2、配置病毒防护软件
(1)配置ClamAV
编辑ClamAV配置文件:
sudo vi /etc/clamav/clamd.conf
修改以下参数:
User = clamav Group = clamav LogFile = /var/log/clamav/clamd.log
重启ClamAV服务:
sudo systemctl restart clamav-daemon
(2)配置rkhunter
编辑rkhunter配置文件:
sudo vi /etc/default/rkhunter
修改以下参数:
CRON_DAILY yup CRON Weekly yup CRON_MONTHLY yup
重启rkhunter服务:
sudo systemctl restart rkhunter
3、配置其他安全防护软件
(1)配置fail2ban
编辑fail2ban配置文件:
sudo vi /etc/fail2ban/jail.conf
修改以下参数:
enabled = true filter = sshd action = iptables-multiport[name=ssh, port="ssh"] logpath = /var/log/auth.log maxretry = 5 findtime = 600 bantime = 3600
重启fail2ban服务:
sudo systemctl restart fail2ban
(2)配置AppArmor
编辑AppArmor配置文件:
sudo vi /etc/apparmor.d/local/usr.sbin.crond
添加以下内容:
#include <tunables/global> /usr/sbin/crond { capability sys_nice, capability sys_tty_config, capability sys_resource, capability sys_time, capability sys_chroot, capability sys_ptrace, capability sys_rawio, capability sysModule, capability sysAppArmor, capability net_raw, capability net_admin, capability net_bind, capability net_broadcast, capability net平方米, capability net_talk, capability net_set, capability net_unix, capability net_ipv6, capability ipc_lock, capability ipc_owner, capability ipc_socket, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set, capability ipc平方米, capability ipc_talk, capability ipc_set,
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Linux系统 安全防护软件安装配置:linux安全防护做哪些