为了进一步保证设备安全,需配置ACL对高危端口进行拦截
S7503E-M的版本信息如下:
H3C Comware Software, Version 7.1.070, Release 7557P03
Copyright (c) 2004-2017 New H3C Technologies Co., Ltd. All rights reserved.
H3C S7503E-M uptime is 24 weeks, 6 days, 7 hours, 39 minutes
Last reboot reason : Cold reboot
Boot image: flash:/S7500E-CMW710-BOOT-R7557P03.bin
Boot image version: 7.1.070, Release 7557P03
Compiled Nov 07 2017 16:00:00
System image: flash:/S7500E-CMW710-SYSTEM-R7557P03.bin
System image version: 7.1.070, Release 7557P03
Compiled Nov 07 2017 16:00:00
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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