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Пример настройки Cisco ASA-5510 с DMZ

ASA Version 8.2(1)
!
! Имя Cisco
hostname asa
!Домен . Нужно для SSH
domain-name strui.ru
!Пароль для enable.
enable password 4аееoLOxxxxxxjMx encrypted
passwd k0a6sN9ExxxxxxxxzV encrypted
names
! Описание интерфейса, смотрящего в Internet.
interface Ethernet0/0
description Internet
nameif outside
security-level 0
ip address 213.xxx.xxx.194 255.255.255.240
! Описание интерфейса, смотрящего в локальную сеть.
interface Ethernet0/1
description Local
nameif inside
security-level 100
ip address 10.10.10.20 255.255.255.0
!
! Описание интерфейса, смотрящего в сеть серверов (DMZ)
interface Ethernet0/2
description DMZ
nameif dmz
security-level 50
ip address 62.xxx.xxx.177 255.255.255.240
!Этот интерфейс выключен
interface Ethernet0/3
shutdown
no nameif
no security-level
no ip address
!Этот интерфейс выключен( не привязан к локальной сети). Использовался при
!первоначальной настройке Cisco  
interface Management0/0
nameif management
security-level 100
ip address 192.168.1.1 255.255.255.0
management-only
!
ftp mode passive
! Выставляем зону и время. Необходимо для логов.
clock timezone MSK/MDD 3
clock summer-time MSK/MDD recurring last Sun Mar 2:00 last Sun Oct 3:00
dns server-group DefaultDNS
! Лист доступа в демилиторизованную зону  к серверам. Входящий трафик.
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.180 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.180 eq ftp
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.180 eq ftp-data
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.181 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.181 eq ftp
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.181 eq ftp-data
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.178 eq domain
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.179 eq smtp
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.179 eq pop3
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.179 eq imap4
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.184 eq 8081
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.184 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.185 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.186 eq ftp
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.186 eq ftp-data
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.186 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.189 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.179 eq domain
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.179 eq https
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.182 eq smtp
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.182 eq pop3
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.182 eq imap4
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.184 eq rtsp
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.187 eq www
access-list acl_in_dmz extended permit tcp any host 62.xxx.xxx.188 eq www
! Лист доступа для серверов из демилиторизованной зоны. Исходящий трафик.
access-list acl_out_dmz extended permit tcp any any
access-list acl_out_dmz extended permit udp any any
access-list acl_out_dmz extended permit icmp any any
access-list acl_out_dmz extended deny tcp host 62.xxx.19.76 host 213.xxx.36.194 eq 135
access-list acl_out_dmz extended deny tcp host 87.xxx.95.11 host 213.xxx.36.194 eq ftp
!Лист доступа для пользователей локальной сети.
! Разрешено все для исходящего трафика.
access-list acl_out_inside extended permit tcp 10.10.10.0 255.255.255.0 any
access-list acl_out_inside extended permit tcp 10.10.20.0 255.255.255.0 any
access-list acl_out_inside extended permit tcp 10.10.40.0 255.255.255.0 any
access-list acl_out_inside extended permit tcp 10.10.50.0 255.255.255.0 any
access-list acl_out_inside extended permit tcp 10.10.110.0 255.255.255.0 any
access-list acl_out_inside extended permit icmp 10.10.10.0 255.255.255.0 any
access-list acl_out_inside extended permit icmp 10.10.110.0 255.255.255.0 any
access-list acl_out_inside extended permit icmp 10.10.20.0 255.255.255.0 any
access-list acl_out_inside extended permit icmp 10.10.50.0 255.255.255.0 any
access-list acl_out_inside extended permit udp 10.10.10.0 255.255.255.0 any
access-list acl_out_inside extended permit udp 10.10.20.0 255.255.255.0 any
access-list acl_out_inside extended permit udp 10.10.110.0 255.255.255.0 any
access-list acl_out_inside extended permit udp 10.10.50.0 255.255.255.0 any
access-list acl_out_inside extended permit udp 10.10.40.0 255.255.255.0 any

pager lines 24

! Настройка логирования
logging enable
logging timestamp
logging trap notifications
logging asdm informational
logging host inside 10.10.10.4
mtu outside 1500
mtu inside 1500
mtu dmz 1500
mtu management 1500

no failover
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400

! Настройка global
global (outside) 1 interface
! Настройка NAT для локальной сети 
nat (inside) 1 0.0.0.0 0.0.0.0
! Настройка static для серверов
nat (dmz) 0 0.0.0.0 0.0.0.0
static (dmz,outside) 62.xxx.xxx.180 62.xxx.xxx.180 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.181 62.xxx.xxx.181 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.178 62.xxx.xxx.178 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.179 62.xxx.xxx.179 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.184 62.xxx.xxx.184 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.185 62.xxx.xxx.185 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.186 62.xxx.xxx.186 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.189 62.xxx.xxx.189 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.187 62.xxx.xxx.187 netmask 255.255.255.255
static (dmz,outside) 62.xxx.xxx.188 62.xxx.xxx.188 netmask 255.255.255.255
! Привязываем access-list через  access-group  к интерфейсам.
access-group acl_in_dmz in interface outside
access-group acl_out_inside in interface inside
access-group acl_out_dmz in interface dmz
! Прописываем маршрутизацию для интерфейсов.
route outside 0.0.0.0 0.0.0.0 213.xxx.xxx.193 1
route inside 10.10.20.0 255.255.255.0 10.10.10.10 1
route inside 10.10.40.0 255.255.255.0 10.10.10.10 1
route inside 10.10.50.0 255.255.255.0 10.10.10.10 1
route inside 10.10.110.0 255.255.255.0 10.10.10.10 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
dynamic-access-policy-record DfltAccessPolicy
! Разрешаем работу через WEB морду из локальной сети.
http server enable
http 10.10.10.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
! Разрешаем работу  telnet  и ssh по локальной сети.
telnet 10.10.10.0 255.255.255.0 inside
telnet timeout 5
ssh 10.10.10.0 255.255.255.0 inside
ssh 10.10.10.71 255.255.255.255 inside
ssh timeout 30
console timeout 0
dhcpd address 192.168.1.2-192.168.1.254 management
!
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
! Сервер времени и пользователь для WEB морды.
ntp server 10.10.10.3 source inside
webvpn
username admin password trAp5eVxxxxxxnv encrypted privilege 15
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum 512
policy-map global_policy
class inspection_default
inspect dns preset_dns_map
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:58da28923df5a5f8d5192125f9b1796f
: end

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