
防火墙FW的配置如下:
[FW] interface GigabitEthernet1/0/1
[FW-GigabitEthernet1/0/1] ip address 192.168.1.254 24
[FW] interface GigabitEthernet1/0/2
[FW-GigabitEthernet1/0/2] ip address 172.16.1.254 24
[FW] interface GigabitEthernet1/0/3
[FW-GigabitEthernet1/0/3] ip address 10.1.1.254 24
#将接口添加到相应的安全区域:
[FW] firewall zone trust
[FW-zone-trust] add interface GigabitEthernet0/0/1
[FW] firewall zone dmz
[FW-zone-dmz] add interface GigabitEthernet0/0/2
[FW] firewall zone untrust
[FW-zone-untrust] add interface GigabitEthernet0/0/3
#配置安全策略,使得trust区域的192.168.1.0/24网段能够访问untrust区域的10.1.1.0/24网段:
[FW]security-policy
[FW-policy-security]rule name test1 #test1是自定义的规则名
[FW-policy-security-rule-test1]source-zone trust
[FW-policy-security-rule-test1]destination-zone untrust
[FW-policy-security-rule-test1]source-address 192.168.1.0 24
[FW-policy-security-rule-test1]destination-address 10.1.1.0 24
[FW-policy-security-rule-test1]action permit
#配置安全策略,使得untrust区域的10.1.1.0/24网段用户能够访问Server的FTP服务:
[FW]security-policy
[FW-policy-security]rule name for_FTP
注意:Eudemon-N系列防火墙的配置与-X系列存在一定的差异,例如区域间安全策略的配置就大不相同,因此需 格外留意。
完成上述配置后,PC1即可ping通PC2,当PC1 ping PC2时,我们能在FW上看到如下会话:
使用display firewall session table verbose命令进一步查看会话的详细内容
从上述输出可以看出流量的源区域及目标区域,会话所命中的安全策略中的规则名称等信息。 PC2也能够访问Server的FTP服务,在FW上能看到如下会话:
<FW>display firewall session table
Current Total Sessions : 5
icmp VPN: public --> public 192.168.1.1:59075 --> 10.1.1.1:2048
icmp VPN: public --> public 192.168.1.1:57795 --> 10.1.1.1:2048
icmp VPN: public --> public 192.168.1.1:58819 --> 10.1.1.1:2048
icmp VPN: public --> public 192.168.1.1:58563 --> 10.1.1.1:2048
icmp VPN: public --> public 192.168.1.1:58307 --> 10.1.1.1:2048<FW>display firewall session table verbose
Current Total Sessions : 5
icmp VPN: public --> public ID: c487faa24cb73d02fb15729c3e2
Zone: trust --> untrust TTL: 00:00:20 Left: 00:00:12
Interface: GigabitEthernet1/0/3 NextHop: 10.1.1.1 MAC: 5489-98eb-3178
<--packets: 1 bytes: 60 --> packets: 1 bytes: 60
192.168.1.1:59075 --> 10.1.1.1:2048 PolicyName: test1 [FW]display firewall session table
Current Total Sessions : 1
ftp VPN: public --> public 10.1.1.1:2049 +-> 172.16.1.1:21