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防火墙技术——pix中的七个命令

2011-4-17 15:32| 发布者: weixiu| 查看: 210| 评论: 0

摘要: 六个基本命令 static:Configure a persistent one-to-one address translation rule by mapping a local IP address to a global IP address. This is also known as Static Port Address Translation (Static PA ...

六个基本命令

static:Configure a persistent one-to-one address translation rule by mapping a local IP address to a global IP address. This is also known as Static Port Address Translation (Static PAT). (Configuration mode.)

static [(prenat_interface, postnat_interface)] {mapped_address| interface} real_address [dns] [netmask mask] [norandomseq]

[connection_limit [em_limit]]

show static

nameif,Name interfaces and assign security level. (Configuration mode.)

nameif hardware_id if_name security_level

show nameif /clear nameif

interface:Identify network interface speed and duplex. (Configuration mode.)

interface hardware_id [hardware_speed] [shutdown]

show interface hardware_id [hardware_speed] [shutdown]

ip address:Identifies addresses for network interfaces, and enables you to set the number of times the PIX Firewall will

poll for DHCP information. (Configuration mode.)

ip address if_name ip_address [netmask]

ip address outside dhcp [setroute] [retry retry_cnt]

ip address if_name pppoe [setroute]

ip address if_name ip_address netmask pppoe [setroute]

show ip

Displays IP addresses assigned to the network interfaces.

show ip address if_name dhcp

Displays detailed information about the DHCP lease.

show ip address if_name pppoe

Displays detailed information about the PPPOE connection.

global:Create or delete entries from a pool of global addresses. (Configuration mode.)

global [(if_name)] nat_id {global_ip [-global_ip] [netmask global_mask]} | interface

global [(if_name)] nat_id {{global_ip} [netmask global_mask] | interface}

show global

nat:Associate a network with a pool of global IP addresses. (Configuration mode.)

nat [(if_name)] id address [netmask [outside] [dns] [norandomseq] [timeout hh:mm:ss] [conn_limit [em_limit]]]

nat [(if_name)] 0 access-list acl_name

show nat

route

Enter a static or default route for the specified interface. (Configuration mode.)

route if_name ip_address netmask gateway_ip [metric]

show route

conduit..

联合使用static和conduit命令来只允许http访问。

pixfirewall(config)#static (inside,outside) 192.168.1.101 10.0.1.10 netmask 255.255.255.255

pixfirewall(config)#conduit per tcp any eq www host 172.16.1.1

conduit语法;

conduit deny|permit protocol | object-group protocol_obj_grp_id global_ip global_mask | object-group network_obj_grp_id

[operator port [port] | object-group service_obj_grp_id] foreign_ip foreign_mask | object-group network_obj_grp_id [operator

port [port] | object-group service_obj_grp_id]


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