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1、安装配置snort下载安装snort官网:安装依赖#sudo yum install gcc flex#sudo yum install gcc flexbison zlib zlib-devel libpcap libpcap-devel pc repcre-devel libdnet libdnet-devel tepdump(raotewltr -| su0o yw install qcc fle buon zli ziiD ievel libpcap ligc” 4。虱”re devel Ubmet ludet devel tcfdiapI 3.6 KBI 18 kBI 4.7 kBI
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4、age daq.x86_64 0:2.O.6-1 will be installed Finished Dependency Resolution)ependencies ResolvedPackageArchVersionnstalling： daqx86_64Fransaction Summary iTnstall 1 Package#wget#./configuremakemake install备注：configure报错:configure: error: Your operating systems lex is insufficient to compile libsfbpf.
5、You should install both bison and flex.处理：yum install flex bison -yconfigure报错：ERROR! Libpcap library version = 1.0.0 not found.处理：yum install libpcap libpcap-devel -y安装snort#yuminstall或#wget #./configure enable-sourcefiremakemake install备注：configure报错：ERROR! dnet header not found, go get it from处理：
6、wget r.gzcd libdnet-1.11./configure & make & make instal安装规那么#mkdir -p /etc/snort/rules#wget #tar -zxf community-rules.tar.gz -C /etc/snort/rules使用使用snort有三种用法：嗅探模式、记录模式和网络入侵检测模式。嗅探模式#snort -v该模式打印通信的双方IP及协议头部，类似tcpdump记录模式#snort -dev -I ./log该模式将截获的数据包记入文件(此处是当前log目录下)，重点是-I网络入侵检测模式/etc/snort/rules
7、/community-rules/snort.conf该模式将会按指定的规那么扫描通信数据包备注：报错：ERROR: /etc/snort/rules/community-rules/snort.conf(249) Could not stat dynamic module path /usr/local/lib/snort_dynamicrules: No such file or directory.处理：mkdir -p /usr/local/lib/snort_dynamicrules报错：ERROR: /etc/snort/rules/community-rules/classification.config(0) Unable to open rules file /etc/snort/rules/community-rules/classification.config: No such file or directory.处理:将上边2.3解压出的snort包中的etc/classification.config复制到/etc/snort/rules/community-rules/classification.config （暂未能成功运行）