网络安全 频道

路由器VS防火墙ROUTER典型防火墙设置

show running-config

  version 11.2

  service timestamps debug datetime msec

  service timestamps log datetime msec

  service password-encryption

  no service udp-small-servers

  no service tcp-small-servers

  !

  hostname fw-rtr

  !

  enable password cisco

  !

  username admin password cisco

  username chw10.Sydney password cisco

  no ip source-route

  ip nat pool inside-pool 203.1.1.2 203.1.1.254 netmask 255.255.255.0

  ip nat inside source list 99 pool inside-pool

  ip domain-list domain.com

  ip domain-name domain.com

  ip name-server 192.168.1.1

  ip inspect name internet smtp

  ip inspect name internet http java-list 42 timeout 60

  ip inspect name internet ftp

  ip inspect name internet tcp

  ip inspect name internet udp

  ip inspect name internet realaudio

  ip inspect name internet h323

  ip inspect name internet cuseeme

  isdn switch-type basic-net3

  clock timezone AEST 10

  !

  interface Loopback0

  ip address 203.1.1.1 255.255.255.0

  !

  interface Ethernet0

  ip address 192.168.1.253 255.255.255.0

  ip nat inside

  ip route-cache same-interface

  !

  interface BRI0

  no ip address

  encapsulation ppp

  dialer pool-member 1

  no fair-queue

  ppp authentication chap callin

  ppp multilink

  !

  interface Dialer0

  description BigPond Dialup Link

  ip address 139.130.98.32 255.255.254.0

  ip access-group 169 in

  ip access-group 158 out

  no ip unreachables

  no ip directed-broadcast

  no ip proxy-arp

  ip nat outside

  ip inspect internet out

  encapsulation ppp

  dialer remote-name chw10.Sydney

  dialer idle-timeout 999999

  dialer string 84486000

  dialer load-threshold 1 either

  dialer pool 1

  dialer-group 1

  no fair-queue

  no cdp enable

  ppp chap hostname anixte0

  ppp multilink

  !

  ip classless

  ip route 0.0.0.0 0.0.0.0 139.130.98.1

  ip route 192.168.0.0 255.255.0.0 192.168.1.254

  ip http server

  ip http access-class 1

  logging buffered 16000 debugging

  logging 192.168.1.1

  access-list 1 permit 192.168.1.0 0.0.0.255

  access-list 2 deny any

  access-list 42 permit any

  access-list 99 permit 192.168.0.0 0.0.255.255

  access-list 101 deny udp any any eq rip

  access-list 101 permit icmp any any

  access-list 101 permit ip any any

  access-list 158 permit icmp any any

  access-list 158 permit udp any any

  access-list 158 permit tcp any any

  access-list 158 deny ip any any log-input

  access-list 159 permit icmp any any

  access-list 159 permit ip any any

  access-list 159 permit tcp any any eq smtp

  access-list 159 permit tcp any any eq www

  access-list 159 permit tcp any any eq telnet

  access-list 159 permit tcp any any eq ftp

  access-list 159 permit tcp any any eq ftp-data

  access-list 159 permit tcp any any eq domain

  access-list 159 permit udp any any eq domain

  access-list 159 permit tcp any any eq 554

  access-list 159 permit tcp any any eq 7070

  access-list 159 deny ip any any log-input

  access-list 169 permit icmp any any

  access-list 169 permit tcp any any eq smtp

  access-list 169 permit tcp any any eq www

  access-list 169 permit tcp any any eq ftp

  access-list 169 permit tcp any any eq domain

  access-list 169 permit udp any any eq domain

  access-list 169 deny ip any any log-input

  access-list 181 permit tcp any any eq www

  access-list 181 permit tcp any eq www any

  access-list 182 permit tcp any any eq ftp-data

  access-list 182 permit tcp any eq ftp-data any

  snmp-server community public RO 1

  snmp-server community private RW 1

  snmp-server trap-source Ethernet0

  snmp-server contact Keith Sinclair

  snmp-server host 192.168.1.1 public

  dialer-list 1 protocol ip permit

  dialer-list 2 protocol ip list 101

  banner motd #

  *********************************************************************

  * *

  * Firewall Router. RESTRICTED ACCESS *

  * *

  * No Unauthorised Access. *

  * *

  * No Hackers, Phreaks, Crackers or so called security *

  * experts allowed! *

  * *

  * Contact(s): http://www.net130.com *

  * *

  *********************************************************************

  #

  !

  line con 0

  login local

  line vty 0 4

  access-class 1 in

  access-class 2 out

  exec-timeout 15 0

  login local

  !

  end

  show version

  Cisco Internetwork Operating System Software

  IOS (tm) 1600 Software (C1600-OY-L), Version 11.2(17)P, RELEASE SOFTWARE (fc1)

  Copyright (c) 1986-1999 by cisco Systems, Inc.

  Compiled Tue 12-Jan-99 14:25 by pwade

  Image text-base: 0x0801FC84, data-base: 0x02005000

  ROM: System Bootstrap, Version 11.1(10)AA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc

  1)

  ROM: 1600 Software (C1600-BOOT-R), Version 11.1(10)AA, EARLY DEPLOYMENT RELEASE

  SOFTWARE (fc1)

  fw-rtr uptime is 4 weeks, 5 hours, 47 minutes

  System restarted by reload

  System image file is "flash:c1600-oy-l_112-17_P.bin", booted via flash

  cisco 1603 (68360) processor (revision C) with 3584K/512K bytes of memory.

  Processor board ID 07064947, with hardware revision 00000000

  Bridging software.

  X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.

  Basic Rate ISDN software, Version 1.0.

  1 Ethernet/IEEE 802.3 interface(s)

  1 ISDN Basic Rate interface(s)

  System/IO memory with parity disabled

  2048K bytes of DRAM onboard 2048K bytes of DRAM on SIMM

  System running from FLASH

  8K bytes of non-volatile configuration memory.

  4096K bytes of processor board PCMCIA flash (Read ONLY)

  Configuration register is 0x2102

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