snort-2.9 以上版本必备库文件，针对报错 ERROR! dnet header not found. zip包解开后为tgz格式-snort-2.9 or later library file necessary

snort源码，请大家参考，其中好多都是升级的，加了许多功能，与大家分享-snort source code, please reference, which a lot of upgrade, plus a number of features to share with you