1、登录防火墙管理页面，并进入“系统管理”菜单下的“DHCP服务器”选项。
2、在DHCP服务器页面中，点击“启用”按钮开启DHCP服务。
3、设置DHCP服务的IP地址池范围，将其设置为仅包含1-8端口的IP地址。
4、点击“保存”按钮保存DHCP配置。
5、在防火墙管理页面中，进入“安全策略”菜单下的“WAN口入方向”选项。
6、添加一条新的安全策略规则，限制1-8端口只能从DHCP服务器获取IP地址。具体 *** 作如下：
7、点击“添加”按钮创建新的安全策略规则。
8、将规则方向设置为“入站”，源地址设置为“任意”，目标地址设置为“静态IP”，并指定目标地址为防火墙的WAN口IP地址。
9、在“应用服务”中选择“DHCP”，并设置“DHCP服务地址”为DHCP服务器的IP地址
10、在“高级选项”中，将“端口”设置为“1-8”，表示该策略规则仅适用于1-8端口。保存并激活新的安全策略规则。
11、完成以上步骤后，DHCP服务器将仅向1-8端口提供IP地址，其他端口将无法获得IP地址。同时，新增的安全策略规则也将限制1-8端口仅能从DHCP服务器获取IP地址，增强了网络的安全性和可控性。你的出口路由器是那个？如果是AR2831,你直接在上面写个ACL就可以了
首先源是其他公司的IP，然后全部DENY掉先，再PERMIT一条道你们OA办公系统的服务器的ACL就可以了。
如果你不会具体写，百度HI我吧。步骤一登陆缺省配置的防火墙并修改防火墙的名称
防火墙和路由器一样，有一个Console接口。使用console线缆将console接口和计算机的com口连接在一块。使用windows *** 作系统自带的超级终端软件，即可连接到防火墙。
防火墙的缺省配置中，包括了用户名和密码。其中用户名为admin、密码Admin@123，所以登录时需要输入用户名和密码信息，输入时注意区分大小写。
修改防火墙的名称的方法与修改路由器名称的方法一致。
另外需要注意的是，由于防火墙和路由器同样使用了VRP平台 *** 作系统，所以在命令级别、命令帮助等，与路由器上相应 *** 作相同。
<SRG>sys
13:47:28 2014/07/04
Enter system view, return user view withCtrl+Z
[SRG]sysname FW
13:47:32 2014/07/04
步骤二修改防火墙的时间和时区信息
默认情况下防火墙没有定义时区，系统保存的时间和实际时间可能不符。使用时应该根据实际的情况定义时间和时区信息。实验中我们将时区定义到东八区，并定义标准时间。
<FW>clock timezone 1 add 08:00:00
13:50:57 2014/07/04
<FW>dis clock
21:51:15 2014/07/03
2014-07-03 21:51:15
Thursday
Time Zone : 1 add 08:00:00
<FW>clock datetime 13:53:442014/07/04
21:53:29 2014/07/03
<FW>dis clock
13:54:04 2014/07/04
2014-07-04 13:54:04
Friday
Time Zone : 1 add 08:00:00
步骤三。修改防火墙登录标语信息
默认情况下，在登陆防火墙，登陆成功后有如下的标语信息。
Please Press ENTER
Login authentication
Username:admin
Password:
NOTICE:This is a private communicationsystem
Unauthorized access or use may lead to prosecution
防火墙设备以此信息警告非授权的访问。
实际使用中，管理员可以根据需要修改默认的登陆标语信息。分为登录前提示信息和登陆成功后提示信息两种。
[FW]header login information ^
14:01:21 2014/07/04
Info: The banner text supports 220characters max, including the start and the en
d characterIf you want to enter more thanthis, use banner file instead
Input banner text, and quit with thecharacter '^':
Welcome to USG5500^
[FW]header shell information ^
14:02:54 2014/07/04
Info: The banner text supports 220characters max, including the start and the en
d characterIf you want to enter more thanthis, use banner file instead
Input banner text, and quit with thecharacter '^':
Welcome to USG5500
You are logining insystem Please do not delete system config files^
配置完成后，通过推出系统。然后重新登录，可以查看是否生效。
Please Press ENTER
Welcome to USG5500
Login authentication
Username:admin
Password:
Welcome to USG5500
You are logining insystem Please do not delete system config files
NOTICE:This is a private communicationsystem
Unauthorized access or use may lead to prosecution
注意，默认达到NOTICE信息一般都会存在，不会消失或被代替。
步骤四修改登陆防火墙的用户名和密码
防火墙默认使用的用户名admin。密码Admin@123。可以根据我们的需求进行修改。试验中我们新建一个用户，级别为level3用户名为user1密码：huawei@123需要说明的是，默认情况下console接口登陆仅允许admin登陆。所以配置console接口登陆验证方式为aaa，才能确保新建的用户生效。在配置中，需要指定该配置的用户名的使用范围，本次实验中选择termianl，表示使用于通过console口登陆验证的凭据。
[FW]aaa
14:15:43 2014/07/04
[FW-aaa]local-user user1 pass
[FW-aaa]local-user user1 password cipherhuawei@123
14:16:08 2014/07/04
[FW-aaa]local-user user1 service-typeterminal
14:16:28 2014/07/04
[FW-aaa]local-user user1 level 3
14:16:38 2014/07/04
[FW-aaa]q
14:16:43 2014/07/04
[FW]user-interface console 0
14:16:57 2014/07/04
[FW-ui-console0]authentication-mode aaa
退出系统，测试新用户名和密码是否生效。
Please Press ENTER
Welcome to USG5500
Login authentication
Username:user1
Password:
Welcome to USG5500
You are logining in system Please do notdelete system config files
NOTICE:This is a private communicationsystem
Unauthorized access or use may lead to prosecution
<FW>
步骤五掌握查看、保存、和删除配置的方法。
在防火墙上使用命令查看运行的配置和已经保存的配置。其中使用display current-configuration命令查看运行配置，使用displaysaved-configuration命令查看已经保存的配置。
<FW>dis current-configuration
14:27:01 2014/07/04
#
stp region-configuration
region-name f0a7e2157008
active region-configuration
#
interface GigabitEthernet0/0/0
alias GE0/MGMT
ipaddress 19216801 2552552550
dhcpselect interface
dhcpserver gateway-list 19216801
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
interface GigabitEthernet0/0/4
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface NULL0
alias NULL0
#
firewall zone local
setpriority 100
#
firewall zone trust
setpriority 85
addinterface GigabitEthernet0/0/0
#
firewall zone untrust
setpriority 5
#
firewall zone dmz
setpriority 50
#
aaa
local-user admin password cipher%$%$s$]c%^XV6(/|BaQ$[T;X"G>5%$%$
local-user admin service-type web terminaltelnet
local-user admin level 15
local-user user1 password cipher%$%$tY4Z:`xG0/G!1^C)2[48"%yp%$%$
local-user user1 service-type terminal
local-user user1 level 3
authentication-scheme default
#
authorization-scheme default
#
accounting-scheme default
#
domain default
#
#
nqa-jitter tag-version 1
#
header shell information "Welcome toUSG5500
You are logining in system Please do notdelete system config files"
header login information "Welcome toUSG5500"
banner enable
#
user-interface con 0
authentication-mode aaa
user-interface vty 0 4
authentication-mode none
protocol inbound all
#
slb
#
right-manager server-group
#
sysname FW
#
l2tpdomain suffix-separator @
#
firewall packet-filter default permitinterzone local trust direction inbound
firewall packet-filter default permitinterzone local trust direction outbound
firewall packet-filter default permitinterzone local untrust direction outbound
firewall packet-filter default permitinterzone local dmz direction outbound
#
ipdf-unreachables enable
#
firewall ipv6 session link-state check
firewall ipv6 statistic system enable
#
dnsresolve
#
firewall statistic system enable
#
pkiocsp response cache refresh interval 0
pkiocsp response cache number 0
#
undodns proxy
#
license-server domain lichuaweicom
#
web-manager enable
#
return
保存配置，并查看以保存的配置信息。
<FW> sa
14:29:29 2014/07/04
The current configuration will be writtento the device
Are you sure to continue[Y/N]y
2014-07-04 14:29:31 FW %%01CFM/4/SAVE(l):When deciding whether to save configura
tion to the device, the user chose Y
Do you want to synchronically save theconfiguration to the startup saved-configu
ration file on peer device[Y/N]:y
Now saving the current configuration to thedevice
Info:The current configuration was saved tothe device successfully
<FW>dis saved-configuration
14:27:48 2014/07/04
# CLI_VERSION=V300R001
# Last configuration was changed at2014/07/04 13:56:09 from console0
#BEGINpublic#
#
interface GigabitEthernet0/0/0
alias GE0/MGMT
ipaddress 19216801 2552552550
dhcpselect interface
dhcpserver gateway-list 19216801
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
interface GigabitEthernet0/0/4
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface NULL0
alias NULL0
#
firewall zone local
setpriority 100
#
firewall zone trust
setpriority 85
addinterface GigabitEthernet0/0/0
#
firewall zone untrust
setpriority 5
#
firewall zone dmz
setpriority 50
#
aaa
local-user admin password cipher%$%$s$]c%^XV6(/|BaQ$[T;X"G>5%$%$
local-user admin service-type web terminaltelnet
local-useradmin level 15
authentication-scheme default
#
authorization-scheme default
#
accounting-scheme default
#
domain default
#
#
nqa-jitter tag-version 1
#
banner enable
#
user-interface con 0
authentication-mode none
user-interface vty 0 4
authentication-mode none
protocol inbound all
#
slb
#
right-manager server-group
#
sysname FW
#
l2tpdomain suffix-separator @
#
firewall packet-filter default permitinterzone local trust direction inbound
firewall packet-filter default permitinterzone local trust direction outbound
firewall packet-filter default permitinterzone local untrust direction outbound
firewall packet-filter default permitinterzone local dmz direction outbound
#
ipdf-unreachables enable
#
firewall ipv6 session link-state check
firewall ipv6 statistic system enable
#
dnsresolve
#
firewall statistic system enable
#
pkiocsp response cache refresh interval 0
pkiocsp response cache number 0
#
undodns proxy
#
license-server domain lichuaweicom
#
web-manager enable
#
return
#-----END----#
使用delete Flash：/vrpcfgzip命令删除保存的配置。
步骤六配置接口地址
配置G0/0/1：10021/24;G0/0/0:10011/24;G0/0/2:10031/24
[FW] interface g0/0/2
16:12:58 2014/07/04
[FW-GigabitEthernet0/0/2]ip add 10031 24
16:13:21 2014/07/04
[FW-GigabitEthernet0/0/2]interface g0/0/0
16:13:32 2014/07/04
[FW-GigabitEthernet0/0/0]undo ip add
16:14:02 2014/07/04
[FW-GigabitEthernet0/0/0]ip add 10011 24
16:14:14 2014/07/04
[FW-GigabitEthernet0/0/0]interface g0/0/1
16:14:36 2014/07/04
[FW-GigabitEthernet0/0/1]ip add 10021 24
16:14:50 2014/07/04
[FW-GigabitEthernet0/0/1]q
16:14:52 2014/07/04
[FW]
在交换机S1上配置接口G0/0/21属于vlan1、G0/0/22属于vlan2、G0/0/23属于vlan3vlanif接口配置IP地址10012/24、vlanif2接口配置IP地址10022/24、vlanif3接口配置IP地址10032/24。
[Huawei]sysname S1
[S1]vlan batch 2 3
[S1]interface g0/0/21
[S1-GigabitEthernet0/0/21]port link-typeaccess
[S1-GigabitEthernet0/0/21]port default vlan1
[S1-GigabitEthernet0/0/21]interface g0/0/22
[S1-GigabitEthernet0/0/22]port link-typeaccess
[S1-GigabitEthernet0/0/22]port default vlan2
[S1-GigabitEthernet0/0/22]interface g0/0/23
[S1-GigabitEthernet0/0/23]port link-typeaccess
[S1-GigabitEthernet0/0/23]port default vlan3
[S1-GigabitEthernet0/0/23]interface vlanif1
[S1-Vlanif1]ip add 10012 24
[S1-Vlanif1]interface vlanif 2
[S1-Vlanif2]ip add 10022 24
[S1-Vlanif2]interface vlanif 3
[S1-Vlanif3]ip add 10032 24
将G0/0/0、G0/0/1、G0/0/2添加到trust区。在测试三口的连通性（在添加到trust区以前先确认这些端口不在untrust区）
[FW]firewall zone trust
16:39:40 2014/07/04
[FW-zone-trust]add interface g0/0/2
16:40:05 2014/07/04
[FW-zone-trust]add interface g0/0/3
16:41:59 2014/07/04
[FW-zone-trust]add interface g0/0/1
[FW-zone-trust]q
[S1]ping -c 1 10011
PING 10011: 56 data bytes,press CTRL_C to break
Reply from 10011: bytes=56 Sequence=1 ttl=255 time=50 ms
---10011 ping statistics ---
1packet(s) transmitted
1packet(s) received
000% packet loss
round-trip min/avg/max = 50/50/50 ms
[S1]ping -c 1 10021
PING 10021: 56 data bytes,press CTRL_C to break
Reply from 10021: bytes=56 Sequence=1 ttl=255 time=50 ms
---10021 ping statistics ---
1packet(s) transmitted
1packet(s) received
000% packet loss
round-trip min/avg/max = 50/50/50 ms
[S1]ping -c 1 10031
PING 10031: 56 data bytes,press CTRL_C to break
Reply from 10031: bytes=56 Sequence=1 ttl=255 time=60 ms
---10031 ping statistics ---
1packet(s) transmitted
1packet(s) received
000% packet loss
round-trip min/avg/max = 60/60/60 ms
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