本文档以华为S5720交换机为例,配置交换机防病毒策略,用于防范蠕虫病毒的攻击和传播,具体配置如下:
1.创建1个高级ACL访问控制列表,这里可以命名为virus:
acl name virus
2.在该ACL内做如下配置:
rule permit tcp source any destination any destination-port eq 135 rule permit udp source any destination any destination-port eq 135 rule permit udp source any destination any destination-port eq 137 rule permit udp source any destination any destination-port eq 138 rule permit tcp source any destination any destination-port eq 139 rule permit udp source any destination any destination-port eq 139 rule permit tcp source any destination any destination-port eq 445 rule permit udp source any destination any destination-port eq 445 rule permit tcp source any destination any destination-port eq 593 rule permit udp source any destination any destination-port eq 593 rule permit udp source any destination any destination-port eq 1434 rule permit tcp source any destination any destination-port eq 4444 rule permit tcp source any destination any destination-port eq 5554 rule permit tcp source any destination any destination-port eq 9995 rule permit tcp source any destination any destination-port eq 9996
3.配置基于ACL的流分类
traffic classifier virus if-match acl virus
4.配置流行为
traffic behavior virus_deny deny
5.创建流策略
traffic policy virus_deny classifier virus behavior virus_deny
6.接下来,只需要将名为virus_deny的流策略应用到具体的交换机接口上就行了。应用该策略的命令为(在具体的接口模式下):
traffic-policy virus_deny inbound 或traffic-policy virus_deny outbound