Hello List, a easy Cisco question.

Mon Jul 11 20:16:00 UTC 2011

    Hello,

       We have Nat setup on our equipment, just a plain vanilla internet
   connection.

   Here is the pertinent section of the runing config.

   !
   interface Ethernet0/2
    nameif Etherpoint
    security-level 0
    ip address outside-ip 255.255.255.252
    ospf cost 10
   !

   object-group service terminal-services tcp
    port-object eq 3389
   access-list Inside_access_in extended permit icmp any any
   access-list Inside_access_in extended permit ip 192.168.125.0
   255.255.255.0 any
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 MobileVPN 255.255.255.0
   access-list Inside_nat0_outbound extended permit ip 192.168.0.0
   255.255.255.0 MobileVPN 255.255.255.0 inactive
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 any inactive
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 192.168.1.0 255.255.255.0
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 192.168.14.0 255.255.255.0
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 192.168.100.0 255.255.255.0
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 192.168.101.0 255.255.255.0
   access-list Inside_nat0_outbound extended permit ip 192.168.125.0
   255.255.255.0 192.168.253.0 255.255.255.0
   access-list Haven_splitTunnelAcl_1 standard permit 192.168.125.0
   255.255.255.0
   access-list Etherpoint_access_in extended permit tcp host 192.168.125.8
   eq 3389 any eq 3389
   access-list Etherpoint_access_in extended permit tcp any eq 3389 host
   192.168.125.8 eq 3389
   access-list Etherpoint_access_in extended permit tcp any host
   192.168.125.8 eq 3389
   access-list Etherpoint_nat0_outbound extended permit ip host
   192.168.125.8 host outside-ip
   access-list Etherpoint_nat0_outbound extended permit ip host outside-ip
   host 192.168.125.8

   ip local pool HavenVPN 192.168.253.1-192.168.253.254 mask 255.255.255.0

   global (Etherpoint) 2 interface

   nat (Inside) 0 access-list Inside_nat0_outbound
   nat (Inside) 2 192.168.125.0 255.255.255.0
   nat (Etherpoint) 0 access-list Etherpoint_nat0_outbound outside
   static (Inside,Etherpoint) tcp interface 3389 192.168.125.8 3389
   netmask 255.255.255.255

   no threat-detection statistics tcp-intercept
   access-group Inside_access_in in interface Inside
   access-group Etherpoint_access_in in interface Etherpoint

   route Etherpoint 0.0.0.0 0.0.0.0 204.186.102.187 1

   -------- Original Message --------
   Subject: Re: Hello List, a easy Cisco question.
   From: Dennis <[1]daodennis at gmail.com>
   Date: Mon, July 11, 2011 12:39 pm
   To: [2]bill at kruchas.com
   On Mon, Jul 11, 2011 at 12:33 PM, <[3]bill at kruchas.com> wrote:
   >   Hello,
   >
   >       I am not a heads down network guy, but I have setup a few
   >   firewalls, and have got them to do what I wanted, "eventually". But
   >   mostly through reading and trial and error.
   >
   >       I am struggling with this one, but I think I know the answer,
   but
   >   want to verify it with some experts.
   >
   >
   >
   >       We have a cisco asa 5505, with an internet connection with only
   one
   >   useable ip address (subnet 255.255.255.252). We/they have had a nat
   >   setup for outgoing connections for some time, but I have been
   trying to
   So your provider has your ASA behind a NAT or there is a NAT
   inside,outside statement on your ASA?
   Some more pieces of the configuration would be helpful here too.
   Thanks,
   Dennis O.

References

   1. mailto:daodennis at gmail.com
   2. mailto:bill at kruchas.com
   3. mailto:bill at kruchas.com