这篇文章上次修改于 2128 天前,可能其部分内容已经发生变化,如有疑问可询问作者。 >使用Suricata时,为了提高流量采集效率,需要要打开pf_ring模式。以下是安装gcc7.3及pf_ring的过程。 ####0x1 Centos7 mini安装所需环境 `yum groupinstall -y 'Development Tools` `yum install -y texinfo bison flex gcc-gnat glibc-devel.i686 libgcc.i686` `yum install wget lrzsz -y` >注:安装 i686 的包是为了安装32位的头文件和库,如果不安装i686的包,请在 configure 时加入--disable-multilib,取消对32位的支持。 ####0x2配置编译gcc ```shell #获取“gcc-7.3.0”源码包 cd /usr/local/src wget https://ftp.gnu.org/gnu/gcc/gcc-7.3.0/gcc-7.3.0.tar.gz tar -zxvf gcc-7.3.0.tar.gz cd gcc-7.3.0/ ./contrib/download_prerequisites #上面命令会下载isl、gmp、mpc、mpfr,网速慢可以手动下载好传上去。 #wget https://gcc.gnu.org/pub/gcc/infrastructure/gmp-6.1.0.tar.bz2 #wget https://gcc.gnu.org/pub/gcc/infrastructure/isl-0.16.1.tar.bz2 #wget https://gcc.gnu.org/pub/gcc/infrastructure/mpc-1.0.3.tar.gz #wget https://gcc.gnu.org/pub/gcc/infrastructure/mpfr-3.1.4.tar.bz2 mkdir build && cd build #生成Makefile文件 ../configure --prefix=/usr #-j参数可利用多核CPU加快编译速度 make -j8 make install gcc --version #回显信息: 回显信息如下,则表示gcc安装成功。 ========================= gcc (GCC) 7.3.0 Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ========================= #重启 reboot ``` ####0x3配置编译pf_ring ```shell wget https://github.com/ntop/PF_RING/archive/7.6.0.tar.gz tar -zxvf PF_RING-7.6.0.tar.gz cd PF_RING-7.6.0/kernel && make && make install insmod pf_ring.ko #编译userland中的libpcap、tcpdump cd ../userland/lib ./configure && make && make install cd ../libpcap ./configure && make && make install cd ../tcpdump ./configure && make && make install #编译自带examples cd ../examples && make #使用pfcount统计端口信息 ./pfcount -i eth0 #回显信息: Using PF_RING v.7.6.0 Capturing from eth0 [mac: FA:16:3E:B1:3E:7B][if_index: 2][speed: 0Mb/s] # Device RX channels: 2 # Polling threads: 1 Dumping statistics on /proc/net/pf_ring/stats/18549-eth0.3 ========================= Absolute Stats: [3 pkts total][0 pkts dropped][0.0% dropped] [3 pkts rcvd][532 bytes rcvd] ========================= ```
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