如果是好的防火墙几乎现在是无法破解的。
我们使用了一款IBM的防火墙比你这个还惨。有时候它脾气不好连东西都下载不了。O(∩_∩)O~1、在应用程序中滚动寻找公司防火墙，运用。
2、在网页页面中寻找骚扰拦截选择项，。
3、进入主页后，右下角有阻拦标准选择项，。
4、进到选择项能看到白名单挑选，。
5、挑选要从白名单中删掉的号，点一下就可以。
6、在d出网页页面中挑选解除完成后，该号已从白名单中删掉。##交换机口令恢复
按下MODE键（长按）后给交换机加电，然后点击虚拟终端的确定按钮
switch:flash_init
switch:load_helper
switch:dir flash:
switch:rename flash:configtext flash:configbak
switch:boot
Switch#copy flash:configbak system:running−config
Switch(config)#no enable secret
Switch#copy run start //or write
##路由器口令恢复
启动路由器，在60秒内按下CTRL＋Break键
rommon1 > confreg 0x2142 //confreg值的具体含义参考网络文档，或者设备提示。
rommon2 > reset
Router> enable
Router# copy startup-config running-config
Router# config t
Router(config)# enable secret xxxxxx
Router(config)#config-register 0x2102
Router(config)#exit
Router# copy running-config startup-config
Router# reload
##ASA口令恢复
接上终端，开启CRT
通电观察终端提示，按照提示中断正常启动一般是Esc键
中断正常启动后将进入到rommon模式
按照下面 *** 作方法 *** 作即可：
Booting system, please wait
CISCO SYSTEMS
Embedded BIOS Version 10(11)2 01/25/06 13:21:2617
Low Memory: 631 KB
High Memory: 512 MB
PCI Device Table
Bus Dev Func VendID DevID Class Irq
00 00 00 8086 2578 Host Bridge
00 01 00 8086 2579 PCI-to-PCI Bridge
00 03 00 8086 257B PCI-to-PCI Bridge
00 1C 00 8086 25AE PCI-to-PCI Bridge
00 1D 00 8086 25A9 Serial Bus 11
00 1D 01 8086 25AA Serial Bus 10
00 1D 04 8086 25AB System
00 1D 05 8086 25AC IRQ Controller
00 1D 07 8086 25AD Serial Bus 9
00 1E 00 8086 244E PCI-to-PCI Bridge
00 1F 00 8086 25A1 ISA Bridge
00 1F 02 8086 25A3 IDE Controller 11
00 1F 03 8086 25A4 Serial Bus 5
00 1F 05 8086 25A6 Audio 5
02 01 00 8086 1075 Ethernet 11
03 01 00 177D 0003 Encrypt/Decrypt 9
03 02 00 8086 1079 Ethernet 9
03 02 01 8086 1079 Ethernet 9
03 03 00 8086 1079 Ethernet 9
03 03 01 8086 1079 Ethernet 9
04 02 00 8086 1209 Ethernet 11
04 03 00 8086 1209 Ethernet 5
Evaluating BIOS Options
Launch BIOS Extension to setup ROMMON
Cisco Systems ROMMON Version (10(11)2) #0: Thu Jan 26 10:43:08 PST 2006
Platform ASA5520
Use BREAK or ESC to interrupt boot
Use SPACE to begin boot immediately
Boot interrupted
Management0/0
Ethernet auto negotiation timed out
Interface-4 Link Not Established (check cable)
Default Interface number-4 Not Up
Use for help
rommon #0> confreg
Current Configuration Register: 0x00000001
Configuration Summary:
boot default image from Flash
!!---这是个向导，不需修改的直接按回车即可---!!
Do you wish to change this configuration y/n [n]: y
enable boot to ROMMON prompt y/n [n]:
enable TFTP netboot y/n [n]:
enable Flash boot y/n [n]:
select specific Flash image index y/n [n]:
disable system configuration y/n [n]: y
go to ROMMON prompt if netboot fails y/n [n]:
enable passing NVRAM file specs in auto-boot mode y/n [n]:
disable display of BREAK or ESC key prompt during auto-boot y/n [n]:
Current Configuration Register: 0x00000040
Configuration Summary:
boot ROMMON
ignore system configuration
Update Config Register (0x40) in NVRAM
rommon #1>boot
Launching BootLoader
Boot configuration file contains 1 entry
Loading disk0:/asa802-k8bin Booting
Loading
Processor memory 418078720, Reserved memory: 41943040 (DSOs: 0 + kernel: 41943040)
Guest RAM start: 0xc7000080
Guest RAM end: 0xdd400000
Guest RAM brk: 0xc7001000
IO memory 79241216 bytes
IO memory start: 0xc2401000
IO memory end: 0xc6f93000
Total SSMs found: 0
Total NICs found: 7
mcwa i82557 Ethernet at irq 11 MAC: 001b0ca24d85
mcwa i82557 Ethernet at irq 5 MAC: 000000010001
i82546GB rev03 Gigabit Ethernet @ irq09 dev 3 index 00 MAC: 001b0ca24d86
i82546GB rev03 Gigabit Ethernet @ irq09 dev 3 index 01 MAC: 001b0ca24d87
i82546GB rev03 Gigabit Ethernet @ irq09 dev 2 index 02 MAC: 001b0ca24d88
i82546GB rev03 Gigabit Ethernet @ irq09 dev 2 index 03 MAC: 001b0ca24d89
i82547GI rev00 Gigabit Ethernet @ irq11 dev 1 index 05 MAC: 000000010002
Licensed features for this platform:
Maximum Physical Interfaces : Unlimited
Maximum VLANs : 150
Inside Hosts : Unlimited
Failover : Active/Active
-DES : Enabled
-3DES-AES : Enabled
Security Contexts : 2
GTP/GPRS : Disabled
Peers : 750
Web Peers : 2
Advanced Endpoint Assessment : Disabled
This platform has an ASA 5520 Plus license
Encryption hardware device : Cisco ASA-55x0 on-board accelerator (revision 0x0)
Boot microcode : CN1000-MC-BOOT-200
SSL/IKE microcode: CNLite-MC-SSLm-PLUS-201
IPSec microcode : CNlite-MC-IPSECm-MAIN-204
--------------------------------------------------------------------------
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:||| | |||::||| | |||:
C i s c o S y s t e m s
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Cisco Adaptive Security Appliance Software Version 80(2)
Warning
This product contains cryptographic features and is
subject to United States and local country laws
governing, import, export, transfer, and use
Delivery of Cisco cryptographic products does not
imply third-party authority to import, export,
distribute, or use encryption Importers, exporters,
distributors and users are responsible for compliance
with US and local country laws By using this
product you agree to comply with applicable laws and
regulations If you are unable to comply with US
and local laws, return the enclosed items immediately
A summary of US laws governing Cisco cryptographic
products may be found at:
这是我之前整理的笔记，常规路由交换防火墙的口令恢复方法。其他的也大同小异，有的在启动的时候终端会有启动提示。应该能够解决你的问题。
指望是公司内部的你就不要想了，除非是公司的网络管理员把防火墙或者路由器那里把访问控制列表给改了。你再用代理也是先通过公司的网络去访问别人的代理服务器，然后由外网的代理服务器把你的访问所得到的网页返回给公司的防火墙那里，然后公司的防火墙就给你拦下来了。
就像学校不让你出门买东西，门口有门卫看的很严。你这时候托人去帮你买，你托的那个人是可以给你买到东西，可是门卫不让他进，你收不到这东西也是白搭
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