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想实现需求:封端全局高危端口,放通访问19.168.0.228的445端口。下面的命令可以吗
acl number 3100
rule 2 deny tcp source 192.168.0.250 0 destination 19.168.0.228 0 destination-port eq 445
rule 6 deny tcp destination-port eq 135
rule 10 deny tcp destination-port eq 137
rule 15 deny tcp destination-port eq 138
rule 20 deny tcp destination-port eq 139
rule 25 deny tcp destination-port eq 445
rule 30 deny udp destination-port eq 135
rule 35 deny udp destination-port eq netbios-ns
rule 40 deny udp destination-port eq netbios-dgm
rule 45 deny udp destination-port eq netbios-ssn
rule 50 deny udp destination-port eq 445
acl number 3200
rule 5 permit tcp destination 19.168.0.228 0 destination-port eq 445
traffic classifier 3100 operator and
if-match acl 3100
traffic classifier 3200 operator and
if-match acl 3200
traffic behavior 3100
ilter permit
traffic behavior 3200
filter permit
qos policy 3100
classifier 3100 behavior 3100
classifier 3200 behavior 3200
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最佳答案
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您好,请知:
关于高危端口的拦截,使用ACL并调用到端口即可,参考命令如下:
1、创建ACL,对高危端口进行拦截:
acl number 3210
rule 0 deny tcp destination-port eq 135
rule 1 deny udp destination-port eq 135
rule 2 deny tcp destination-port eq 137
rule 3 deny udp destination-port eq netbios-ns
rule 4 deny tcp destination-port eq 138
rule 5 deny udp destination-port eq netbios-dgm
rule 6 deny udp destination-port eq netbios-ssn
rule 7 deny tcp destination-port eq 139
rule 8 deny tcp destination-port eq 445
rule 9 deny udp destination-port eq 445
rule 10 deny tcp destination-port eq 3389
rule 11 deny udp destination-port eq 3389
rule 20 deny tcp source-port eq 135
rule 21 deny udp source-port eq 135
rule 22 deny tcp source-port eq 137
rule 23 deny udp source-port eq netbios-ns
rule 24 deny tcp source-port eq 138
rule 25 deny udp source-port eq netbios-dgm
rule 26 deny udp source-port eq netbios-ssn
rule 27 deny tcp source-port eq 139
rule 28 deny tcp source-port eq 445
rule 29 deny udp source-port eq 445
rule 30 deny tcp source-port eq 3389
rule 31 deny udp source-port eq 3389
rule 1500 permit ip
2、将ACL下发到端口:
interface Ten-GigabitEthernet 1/1/1
packet-filter 3210 inbound
packet-filter 3210 outbound
quit
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好的 我加上
全局封堵端口,我想放通某个IP的445端口,上面的命令可以实现吗
用你的acl 添加rule 然后在permit 试试