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Примеры конфигурации NAT на ASA до версий 8.3 и после 8.3

Static NAT/PAT

Pre-8.3 NAT8.3 NAT
Regular Static NAT

static (inside,outside) 192.168.100.100 10.1.1.6 netmask  255.255.255.255

 object network obj-10.1.1.6
   host 10.1.1.6
   nat (inside,outside) static 192.168.100.100   
Regular Static PAT

static (inside,outside) tcp 192.168.100.100 80 10.1.1.16 8080 netmask  255.255.255.255

 object network obj-10.1.1.16
   host 10.1.1.16
   nat (inside,outside) static 192.168.100.100 service tcp 8080 www
Static Policy NAT

access-list NET1 permit ip host 10.1.2.27 10.76.5.0 255.255.255.224

static (inside,outside) 192.168.100.100 access-list NET1

object network obj-10.1.2.27

   host 10.1.2.27
object network obj-192.168.100.100
   host 192.168.100.100
object network obj-10.76.5.0
   subnet 10.76.5.0 255.255.255.224
nat (inside,outside) source static obj-10.1.2.27 obj-192.168.100.100
                      destination static obj-10.76.5.0 obj-10.76.5.0

Pre-8.3 NAT8.3 NAT
Regular Dynamic PAT
 nat (inside) 1 192.168.1.0 255.255.255.0
nat (dmz) 1 10.1.1.0 255.255.255.0
global (outside) 1
192.168.100.100
object network obj-192.168.1.0
   subnet 192.168.1.0 255.255.255.0
   nat (inside,outside) dynamic 192.168.100.100
object network obj-10.1.1.0
   subnet 10.1.1.0 255.255.255.0
   nat (dmz,outside) dynamic 192.168.100.100
Regular Dynamic PAT
 nat (inside) 1 10.1.2.0 255.255.255.0
global (outside) 1 192.168.100.100
global (dmz) 1 192.168.1.1




 object network obj-10.1.2.0
   subnet 10.1.2.0 255.255.255.0
   nat (inside,outside) dynamic 192.168.100.100
object network obj-10.1.2.0-01
   subnet 10.1.2.0 255.255.255.0
   nat (inside,dmz) dynamic 192.168.1.1

Regular Dynamic PAT-3

 nat (inside) 1 0 0 
global (outside) 1 interface
 object network obj_any
   subnet 0.0.0.0 0.0.0.0
   nat (inside,outside) dynamic interface

Dynamic Policy NAT

 object-group network og-net-src
   network-object 192.168.1.0 255.255.255.0
   network-object 192.168.2.0 255.255.255.0
object-group network og-net-dst
   network-object 192.168.200.0 255.255.255.0
object-group service og-ser-src
   service-object tcp gt 2000
   service-object tcp eq 1500
access-list NET6 extended permit object-group og-ser-src
                  object-group og-net-src object-group og-net-dst
nat (inside) 10 access-list NET6
global (outside) 10 192.168.100.100
 object network obj-192.168.100.100
   host 192.168.100.100
object service obj-tcp-range-2001-65535
   service tcp destination range 2001 65535
object service obj-tcp-eq-1500
   service tcp destination eq 1500
nat (inside,outside) source dynamic og-net-src
             obj-192.168.100.100 destination
             static og-net-dst og-net-dst
             service obj-tcp-range-2001-65535
             obj-tcp-range-2001-65535
nat (inside,outside) source dynamic og-net-src
             obj-192.168.100.100 destination
             static og-net-dst og-net-dst
             service obj-tcp-eq-1500 obj-tcp-eq-1500

Policy Dynamic NAT (with multiple ACEs)

 access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0 
                               192.168.1.0 255.255.255.0
access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0
                               192.168.2.0 255.255.255.0
access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0
                               192.168.3.0 255.255.255.0
access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0
                               192.168.4.0 255.255.255.0
nat (inside) 1 access-list ACL_NAT
global (outside) 1 192.168.100.100
 object network obj-172.29.0.0
   subnet 172.29.0.0 255.255.0.0
object network obj-192.168.100.100
   host 192.168.100.100
object network obj-192.168.1.0
   subnet 192.168.1.0 255.255.255.0
 object network obj-192.168.2.0
   subnet 192.168.2.0 255.255.255.0
 object network obj-192.168.3.0
   subnet 192.168.3.0 255.255.255.0
 object network obj-192.168.4.0
   subnet 192.168.4.0 255.255.255.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100
             destination static obj-192.168.1.0 obj-192.168.1.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100
             destination static obj-192.168.2.0 obj-192.168.2.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100
             destination static obj-192.168.3.0 obj-192.168.3.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100
             destination static obj-192.168.4.0 obj-192.168.4.0

Outside NAT

 global (inside) 1 10.1.2.30-1-10.1.2.40
nat (dmz) 1 10.1.1.0 255.255.255.0 outside
static (inside,dmz) 10.1.1.5 10.1.2.27 netmask 255.255.255.255
 object network obj-10.1.2.27
   host 10.1.2.27
   nat (inside,dmz) static 10.1.1.5
object network obj-10.1.1.0
   subnet 10.1.1.0 255.255.255.0
   nat (dmz,inside) dynamic obj-10.1.2.30-10.1.2.40
object network obj-10.1.2.30-10.1.2.40
   range 10.1.2.30 10.1.2.40

NAT & Interface PAT together

 nat (inside) 1 10.1.2.0 255.255.255.0
global (outside) 1 interface
global (outside) 1 192.168.100.100-192.168.100.200
 object network obj-192.168.100.100_192.168.100.200
   range 192.168.100.100 192.168.100.200
object network obj-10.1.2.0
   subnet 10.1.2.0 255.255.255.0
   nat (inside,outside) dynamic
            obj-192.168.100.100_192.168.100.200 interface

NAT & Interface PAT with additional PAT together

 nat (inside) 1 10.0.0.0 255.0.0.0

  global (outside) 1 192.168.100.1-192.168.100.200

  global (outside) 1 interface

  global (outside) 1 192.168.100.210

 object network obj-192.168.100.100_192.168.100.200
   range 192.168.100.100 192.168.100.200
object network obj-10.0.0.0
   subnet 10.0.0.0 255.0.0.0
object network second-pat
   host 192.168.100.210
object-group network dynamic-nat-pat
   network-object object obj-192.168.100.100_192.168.100.200
   network-object object second-pat

nat (inside,outside) dynamic dynamic-nat-pat interface

Twice NAT with both source IP, Dest IP and Source port, Dest port change.

On the inside:

Source IP: 10.30.97.129

Dest IP: 10.30.97.200

Source port: 5300

Dest port: any port


On the outside:

Source IP: Interface IP

Dest IP: 172.16.1.10

Source port: 5300

Dest port: 1022

object network source-real
  host 10.30.97.129
  
object network dest-mapped
  host 10.30.97.200

object network dest-real   host 172.16.1.10 object service inside-src-dest-port service tcp source eq 5300 destination range 0 65535 object service outside-src-dest-port service tcp source eq 5300 destination eq 1022 nat (inside,outside) after source static source-real interface destination static dest-mapped dest-real service inside-src-dest-port outside-src-dest-port

Static NAT for a Range of Ports

Не возможно - необходимо написать несколько правил или использовать Static one-to-one NAT

           (in)    (out)

10.1.1.1-------ASA-----

        --xlate-------> 10.2.2.2

Original Ports: 10000 - 10010

Translated ports: 20000 - 20010


object service ports

service tcp source range 10000 10010


object service ports-xlate

service tcp source range 20000 20010


object network server

host 10.1.1.1

object network server-xlate

host 10.2.2.2

nat (inside,outside) source static server server-xlate service ports ports-xlate
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Последнее обновление:
‎01-23-2013 12:22 AM
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