为了进一步保证设备安全,需配置ACL对高危端口进行拦截。
S5110的版本信息如下:
H3C Comware Platform Software
Comware Software, Version 5.20.99, Release 1110
Copyright (c) 2004-2016 Hangzhou H3C Tech. Co., Ltd. All rights reserved.
H3C S5110-52P uptime is 8 weeks, 3 days, 20 hours, 41 minutes
H3C S5110-52P
128M bytes DRAM
32M bytes Flash Memory
Config Register points to Flash
Hardware Version is REV.A
Bootrom Version is 111
[SubSlot 0] 48GE+4SFP Hardware Version is REV.A
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:
int range gi 1/0/1 gi 1/0/24
packet-filter 3210 inbound
packet-filter 3210 outbound
quit
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