Issue of ASA 5510

Dear all,

I applied ASA 5510 in my network,

I configured 3 DMZ, inside and outside interfaces

ASA, I can access the Interior, DMZ and outside (Internet)

Inside users can communicate with the servers in the DMZ

Inside users goto Internet via the external interface

DMZ servers can goto Internet via the external interface

The DMZ servers cannot Ping inside the network

I've been using IpSec VPN on my router,

clients connect to the router using the Cisco VPN Client software,

NOW, when I understood ASA in the network, VPN clients are unable to communicate with the servers in the DMZ

security level 0 for outside

DMZ 50

100 for the inside

NAT is disabled with no command nat control

What I need to ON the NAT and some ACL must be put in place...

Please advise me what ACL I should implement, interface? Direction?

Which statement NAT should I include?

I want to access my network via VPN...

Help, please

Kind regards

Junaid

ICMP pings are not stateful. The firewall needs special treatment to dynamically allow pings back, this is done through the "ICMP inspection." The ICMP inspection is disabled by default. You can activate the inspection or use an ACL to allow ICMP traffic. Here is a useful link:

http://www.Cisco.com/en/us/products/HW/vpndevc/ps2030/products_tech_note09186a0080094e8a.shtml#topic0

Please rate if useful.

Concerning

Farrukh

Tags: Cisco Security

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    I want to allow traffic between the 2821 and the 2811 routers so that devices on the networks behind them can talk to each other.

    I've specified specific subnets between the ASA and the routers because I want to learn how to shape traffic behind routers, as well as on the ASA. So behind the routers I have different VLANS, but I'm not restrict access between them, still, at least I don't think I am. But as it is, behind the 2821 devices cannot access the DNS / DOMAIN SERVER that is located behind the 2811. Right now I have the routers DHCP power, who works there. Currently devices behind the router 2821-3560 switch cannot access the domain server, primary dns server.

    How can I set the ASA to allow traffic to flow between the two routers and their VLANS?

    Here's the configs of each device and I have also included my switch configs, incase something should be set on them. I only removed the passwords and the parts of the external IP address. I appreciate the help in which States to create and on which devices.

    I think it is best that I put the links to the files of text here.

    Thank you!

    You must remove the following statements on the two routers:
    -# ip nat inside source... overload
    -for each # ip nat inside/outside interface, if they have configured.

    Remove ads rip of the networks that are not directly connected:
    -2821: 172.16.0.0, 192.168.1.0, 199.195.xxx.0
    -2811: 199.195.xxx.0
    -ASA: 128.0.0.0

    No way should be added to the routers, since he is the one by default, put in scene to ASA.

    Check the tables of routing on routers and the ASA.

    On ASA:

    -Remove:
    object-group network # PAT - SOURCE
    # nat (indoor, outdoor) automatic interface after PAT-SOURCE dynamic source

    -create objects of the networks behind the LAN router and enable dynamic NAT:
    network object #.
    subnet
    NAT (inside, outside) dynamic interface

    -review remains NAT rules.

    -to set/adjust the lists access penetration on the interfaces. Do not forget to allow the rip on the LAN and DMZ interfaces.

    -Disable rip on the outside interface.

  • How many interfaces in asa 5510

    can someone pls tell me how many interfaces in asa 5510.and we can add more interfaces to it.

    concerning

    Assane

    Hi assane,.

    When you order the ASA5510, you can choose between (option Setup/Noo-Noo fixed to add more ports interface):

    1 ASA5510 device comes with 3 x FastEthernet, more 1xmanagement port (FastEthernet)

    ASA5510-BUN-K9: Cisco ASA 5510 Firewall Edition includes 3 Fast Ethernet interfaces, 250 peers IPSec VPN, SSL VPN 2 peers 3DES/AES license, or

    2 ASA5510 comes with 5xFastEthernet, most 1xmanagement port (FastEthernet).

    Cisco ASA 5510 Security Plus Firewall Edition includes 5 interfaces Fast Ethernet, 250 VPN IPSec peers, 2 peers of SSL VPN, high availability active / standby, 3DES/AES license

    http://www.Cisco.com/en/us/products/ps6120/products_data_sheet0900aecd802930c5.html

    Rgds,

    AK

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