组网图如下:
在安全域的配置当中,常用的是import interface,但是也可以import ip,若两者同时存在的情况下,优先应该根据哪种安全域来进行匹配,如果配置在同一安全域的情况下,与对象策略当中security-zone intra-zone default permit这条命令的匹配优先级又是怎样的?
#
security-zone intra-zone default permit
#
object-group ip address PC1
0 network subnet 192.168.1.0 255.255.255.0
#
object-group ip address PC2
0 network subnet 192.168.2.0 255.255.255.0
#
interface GigabitEthernet1/0/1
port link-mode route
ip address 192.168.2.1 255.255.255.0
#
interface GigabitEthernet1/0/12
port link-mode route
ip address 192.168.1.1 255.255.255.0
#
object-policy ip PC2-PC1
rule 0 pass source-ip PC2 destination-ip PC1
rule 100 pass logging counting
#
security-zone name ds
import ip 192.168.1.0 24
import ip 192.168.2.0 24
#
security-zone name untrust
import interface GigabitEthernet1/0/1
#
security-zone name untrust
import interface GigabitEthernet1/0/12
#
acl advanced 3010
rule 0 permit icmp source 192.168.2.2 0 destination 192.168.1.2 0
rule 5 permit icmp source 192.168.1.2 0 destination 192.168.2.2 0
#
zone-pair security source ds destination ds
object-policy apply ip PC2-PC1
#
zone-pair security source Untrust destination Untrust
object-policy apply ip PC2-PC1
#
实验结果如下:
(debug object-policy)
[H3C]*Nov 2 07:59:21:960 2018 H3C FILTER/7/PACKET:
-COntext=1; The packet is permitted. Src-ZOne=ds, Dst-ZOne=ds;If-In=GigabitEthernet1/0/1(2),
If-Out=GigabitEthernet1/0/12(13); Packet Info:Src-IP=192.168.2.2,
Dst-IP=192.168.1.2, VPN-Instance=,Src-Port=8, Dst-Port=0, Protocol=ICMP(1),
Application=ICMP(22742), ObjectPolicy=PC2-PC1, Rule-ID=0.
可知优先匹配的是安全域中import ip的域间策略。
[H3C-security-zone-ds]undo import ip 192.168.1.0 24
[H3C-security-zone-ds]undo import ip 192.168.2.0 24
<H3C>*Nov 2 08:16:37:869 2018 H3C FILTER/7/PACKET: -COntext=1; The packet is permitted. Src-ZOne=untrust, Dst-ZOne=untrust;If-In=GigabitEthernet1/0/1(2), If-Out=GigabitEthernet1/0/12(13); Packet Info:Src-IP=192.168.2.2, Dst-IP=192.168.1.2, VPN-Instance=,Src-Port=8, Dst-Port=0, Protocol=ICMP(1), Application=ICMP(22742), ObjectPolicy=PC2-PC1, Rule-ID=0.
[H3C]undo
zone-pair security source untrust destination untrust
<H3C>debugging object-policy packet
ip
This command is CPU intensive and might affect ongoing services. Are you sure you want to continue? [Y/N]:y
<H3C>terminal monitor
The current terminal is enabled to display logs.
<H3C>terminal debugging
The current terminal is enabled to display
debugging logs.
C:\Users\ds>ping 192.168.1.2
正在 Ping 192.168.1.2 具有 32 字节的数据:
来自 192.168.1.2 的回复: 字节=32 时间<1ms TTL=128
来自 192.168.1.2 的回复: 字节=32 时间<1ms TTL=128
来自 192.168.1.2 的回复: 字节=32 时间<1ms TTL=128
来自 192.168.1.2 的回复: 字节=32 时间<1ms TTL=128
192.168.1.2 的 Ping 统计信息:
数据包: 已发送 = 4,已接收 = 4,丢失 = 0 (0% 丢失),
往返行程的估计时间(以毫秒为单位):
最短 = 0ms,最长 = 0ms,平均 = 0ms
该案例说明:安全域import ip策略(同域)高于安全域import interface(同域)高于security-zone intra-zone default permit
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