ipsec的搭建-創(chuàng)新互聯(lián)

ipsec簡介

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IPSec(InternetProtocolSecurity)是安全聯(lián)網(wǎng)的長期方向。它通過端對端的安全性來提供主動的保護以防止專用網(wǎng)絡(luò)與 Internet 的***。在通信中,只有發(fā)送方和接收方才是唯一必須了解 IPSec 保護的計算機。在 Windows 2000、Windows XP 和 Windows Server 2003 家族中,IPSec 提供了一種能力,以保護工作組、局域網(wǎng)計算機、域客戶端和服務(wù)器、分支機構(gòu)(物理上為遠程機構(gòu))、Extranet 以及漫游客戶端之間的通信。

下面我們就用一臺三層交換機和三臺防火墻來模擬一下ipsec

拓撲圖

ipsec的搭建

設(shè)置三層交換機

<Quidway>sys

[Quidway]sys isp

[isp]vlan 10

[isp-vlan10]port e0/1

[isp-vlan10]vlan 20

[isp-vlan20]port e0/9

[isp-vlan20]vlan 30

[isp-vlan30]port e0/17

[isp-vlan30]int vlan10

[isp-Vlan-interface10]ip add 67.130.130.1 255.255.255.252

[isp-Vlan-interface10]int vlan 20

[isp-Vlan-interface20]ip add 67.130.130.5 255.255.255.252

[isp-Vlan-interface20]int vlan 30

[isp-Vlan-interface30]ip add 67.130.130.9 255.255.255.252

設(shè)置fw1

<H3C>sys

[H3C]sys fw1

[fw1]int eth0/0

[fw1-Ethernet0/0]ip add 192.168.3.1 24

[fw1-Ethernet0/0]loopback

[fw1-Ethernet0/0]int eth0/4

[fw1-Ethernet0/4]ip add 67.130.130.2 30

取消端口隔離

[fw1]undo insulate

添加eth0/4到untrust

[fw1]firewall zone untrust

[fw1-zone-untrust]add int eth0/4

添加eth0/0到trust

[fw1]firewall zone trust

[fw1-zone-trust]add int eth0/0

用訪問控制列表篩選

[fw1]acl number 3000 match-order auto

[fw1-acl-adv-3000]rule 10 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.4.0 0.0.0.255

[fw1-acl-adv-3000]rule 20 deny ip source any destination any

創(chuàng)建安全提議tran1

[fw1]ipsec proposal tran1

選擇管道方式

[fw1-ipsec-proposal-tran1]encapsulation-mode tunnel

選擇安全協(xié)議sep

[fw1-ipsec-proposal-tran1]transform esp

完整性校驗選md5

[fw1-ipsec-proposal-tran1]esp authentication-algorithm md5

加密算法選des

[fw1-ipsec-proposal-tran1]esp encryption-algorithm des

設(shè)置ike peer

[fw1]ike peer fw2

設(shè)置來源ip

[fw1-ike-peer-fw2]local-address 67.130.130.2

設(shè)置目標ip

[fw1-ike-peer-fw2]remote-address 67.130.130.6

設(shè)置密鑰

[fw1-ike-peer-fw2]pre-shared-key 123456

注意,這個密鑰一定要記住,下面還要用到

isa和篩選流相結(jié)合

選擇動態(tài)isa

[fw1]ipsec policy policy1 10 isakmp

篩選符合3000表的流

[fw1-ipsec-policy-isakmp-policy1-10]security acl 3000

選擇符合提議tran1的

[fw1-ipsec-policy-isakmp-policy1-10]proposal tran1

選擇ike 對等體為fw2

[fw1-ipsec-policy-isakmp-policy1-10]ike-peer fw2

進入端口eth0/4應(yīng)用策略

[fw1]int eth0/4

[fw1-Ethernet0/4]ipsec policy policy1

第一條隧道已經(jīng)設(shè)置好了,接著該去設(shè)置這條隧道的另一端,進入防火墻fw2

下面是第二條隧道的設(shè)置

[fw1]acl number 3001 match-order auto

[fw1-acl-adv-3001]rule permit ip source 192.168.3.0 0.0.0.255 destination 192.168.5.0 0.0.0.255

[fw1-acl-adv-3001]rule deny ip source any destination any

[fw1]ipsec proposal tran2

[fw1-ipsec-proposal-tran2]encapsulation-mode tunnel

[fw1-ipsec-proposal-tran2]transform esp

[fw1-ipsec-proposal-tran2]esp authentication-algorithm md5

[fw1-ipsec-proposal-tran2]esp encryption-algorithm des

[fw1]ike peer fw3

[fw1-ike-peer-fw3]local-address 67.130.130.2

[fw1-ike-peer-fw3]remote-address 67.130.130.10

[fw1-ike-peer-fw3]pre-shared-key 654321

[fw1]acl number 3001 match-order auto

[fw1-acl-adv-3000]undo rule 20

設(shè)置fw2

<H3C>sys

[H3C]sys fw2

[fw2]int eth0/0

[fw2-Ethernet0/0]ip add 192.168.4.1 24

[fw2-Ethernet0/0]loopback

[fw2-Ethernet0/0]int eth0/4

[fw2-Ethernet0/4]ip add 67.130.130.6 30

[fw2]undo insulate

[fw2]firewall packet-filter default permit

[fw2]firewall zone trust

[fw2-zone-trust]add interface eth0/0

[fw2]firewall zone untrust

[fw2-zone-untrust]add int eth0/4

[fw2]ip route-static 0.0.0.0 0 67.130.130.5

[fw2]acl number 3000 match-order auto

[fw2-acl-adv-3000]rule 10 permit ip source 192.168.4.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

[fw2-acl-adv-3000]rule 20 deny ip source any destination any

[fw2]ipsec proposal tran1

[fw2-ipsec-proposal-tran1]encapsulation-mode tunnel

[fw2-ipsec-proposal-tran1]esp authentication-algorithm md5

[fw2-ipsec-proposal-tran1]esp encryption-algorithm des

[fw2]ike peer fw1

[fw2-ike-peer-fw1]local-address 67.130.130.6

[fw2-ike-peer-fw1]remote-address 67.130.130.2

[fw2-ike-peer-fw1]pre-shared-key 123456

這個密鑰要和另外一端的一樣

[fw2]ipsec policy policy1 10 isakmp

[fw2-ipsec-policy-isakmp-policy1-10]security acl 3000

[fw2-ipsec-policy-isakmp-policy1-10]proposal tran1

[fw2-ipsec-policy-isakmp-policy1-10]ike-peer fw1

[fw2]int eth0/4

[fw2-Ethernet0/4]ipsec policy policy1

配置fw3

<H3C>sys

[H3C]sys fw3

[fw3]int eth0/0

[fw3-Ethernet0/0]ip add 192.168.5.1 24

[fw3-Ethernet0/0]loopback

[fw3-Ethernet0/0]int eth0/4

[fw3-Ethernet0/4]ip add 67.130.130.10 30

[fw3]undo insulate

[fw3]firewall zone untrust

[fw3-zone-untrust]add int eth0/4

[fw3]firewall zone trust

[fw3-zone-trust]add int eth0/0

[fw3]ip route-static 0.0.0.0 0 67.130.130.9

[fw3]acl number 3001 match-order auto

[fw3-acl-adv-3001]rule 10 permit ip source 192.168.5.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

[fw3-acl-adv-3001]rule 20 deny ip source any destination any

[fw3]ipsec proposal tran2

[fw3-ipsec-proposal-tran2]encapsulation-mode tunnel

[fw3-ipsec-proposal-tran2]transform esp

[fw3-ipsec-proposal-tran2]esp authentication-algorithm md5

[fw3-ipsec-proposal-tran2]esp encryption-algorithm des

[fw3]ike peer fw1

[fw3-ike-peer-fw1]local-address 67.130.130.10

[fw3-ike-peer-fw1]remote-address 67.130.130.2

[fw3-ike-peer-fw1]pre-shared-key 654321

[fw3]ipsec policy policy1 10 isakmp

[fw3-ipsec-policy-isakmp-policy1-10]security acl 3001

[fw3-ipsec-policy-isakmp-policy1-10]tracert tran2

[fw3-ipsec-policy-isakmp-policy1-10]ike-peer fw1

[fw3]int eth0/4

[fw3-Ethernet0/4]ipsec policy policy1

好了ipsec

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本文標題:ipsec的搭建-創(chuàng)新互聯(lián)
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