the ASA 5505 configuration

Hey guys

I have a server that accepts traffic on a port within my network and external clients need to access this server. the nat and accesslist works well, but it is a matter of wait time and connection failed... Note that without the client server asa directly works fine... and note also that the traffic is encrypted (ssl)... are there additional provisions that I have to configure? y is it expire? Packet Capture see traffic from the outside to reach inside the interface but no response from the inside to the outside...

I don't have that only one access list reloads the traffic from the outside to the server and a nat rule.

advice needed...

Thank you

Hello

So from what I understand

"inside the xxx.114 interface the default route on the server is xxx.1 which is one interface on another asa.

This means that the default route on the server is an another ASA. It won't work unless you apply TCP statebypass.

ASA is a statefull firewall. This means for the TCP IP, always see two way traffic. If SYN crosses an ASA should see SYN/ACK back. If an ASA did not syn and sees syn/ack due to asymmetric routing, is wrong in the wok.

Change the default route in the same ASA server or configure TCP statebypass (which is not recommended however).

Thank you

Tags: Cisco Security

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    ciscoasa #.

    Hello

    Watching your sh crypto ipsec output... I can see packets are getting wrapped... average packets out of the peer 88.222.222.38 network and I do not see the package back from the site of the UTM 81.111.111.156 at the ASA... This means that the UTM Firewall either don't know the package or not able to get the return package... Exchange of routing is there... but you need to check LAN to another counterpart of site...

    Please check the card encryption (it must match on both ends), NAT (exemption should be there @ both ends) and referral to the ends of the LAN...

    I suggest you try with the crypto wthout specific port card... say source LAN to LAN with any port destination...

    allow cryptomap to access extended list ip

    Concerning

    Knockaert

    Concerning

    Knockaert

  • How can I get voice and data to work with the ASA 5505?

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    dhcpd outside auto_config

    Crypto ipsec transform-set esp-3des esp-md5-hmac VPN
    crypto map outside_map 1 is the VPN address
    peer set card crypto outside_map 1 66.170.136.65
    card crypto outside_map 1 the value transform-set VPN
    outside_map interface card crypto outside
    crypto isakmp identity address
    crypto ISAKMP allow outside
    crypto ISAKMP policy 1
    preshared authentication
    3des encryption
    md5 hash
    Group 2
    lifetime 28800

    tunnel-group 66.170.136.65 type ipsec-l2l
    IPSec-attributes tunnel-group 66.170.136.65
    pre-shared-key xxxxx

    output
    int eth 0/1
    close
    No tap
    int eth 0/2
    close
    No tap
    int eth 0/3
    close
    No tap
    int eth 0/4
    close
    No tap
    int eth 0/5
    close
    No tap
    int eth 0/6
    close
    No tap
    int eth 0/7
    close
    No tap

    Peter,

    Note that access list names are case-sensitive, so you've actually done something different from what I proposed.

    Please do:

    no nat (Corp_Voice) 0-list of access vpn

    No list of vpn access extended permitted ip TESTvpn 255.255.255.0 everything
    IP 172.30.155.0 255.255.255.0 extended vpn access do not allow any list all

    extended VPN ip 172.30.155.0 access list allow 255.255.255.0 any

    NAT (Corp_Voice) 0-list of access VPN

    In the case where you did deliberately, for example to separate the 2 acl: note that acl VPN (upper case) is also used in the encryption card, where you cannot add a second LCD.

    So if you want to separate you, you will need 3 access lists:

    list of access data-vpn ip TESTvpn 255.255.255.0 allow one

    voice-vpn ip 172.30.155.0 access list allow 255.255.255.0 any

    access-list all - vpn ip TESTvpn 255.255.255.0 allow one

    access-list all - vpn ip 172.30.155.0 allow 255.255.255.0 any

    NAT (inside) 0-list of access vpn data

    NAT (Corp_Voice) - access list 0 voice-vpn

    outside_map 1 match address all vpn crypto card

    Don't know if this was also clearly to my previous message, I recommend you to replace the "all" (in each of the ACL lines) to something more specific (i.e. a remote network, or group of objects that contain the remote networks).

    HTH

    Herbert

  • The ASA IPS configuration

    Hello

    I have a question about the steps for using on IPS on ASA - all using a NAT addresses or configuration of access list for interesting traffic, that I have to use really. Specifically, NAT and the list of access or access and NAT?

    Keep the ACL extended near the source and the REAL IP address. NAT occurs within the ASA, then you're dealing with external systems.

    If you have 6 or 14 addresses external, public IP by your ISP, you can NAT... otherwise, you're stuck with PAT.

    For entrants to the outside: use the real, REAL public IP addresses have been assigned by your service provider in order to allow certain incoming traffic. It could be access list 100 or a list named more extensive access, such as 'inbound-outside '.

    For entrants inside the interface: use internal IP address private plan [192.168.x.x, 172.16.x.x - 172.31.255, 10.0.0.0] with appropriate subnet mask to allow traffic from the inside to the outside for your users. Most of the people open the "permit ip any any" here, but I prefer to limit the internal address, specific private only. It could be access list 102 or a named example lsit access 'inbound_inside '.

    Traffic, which is not "allowed" will be implicitly denied.

  • Don't have no access switchport appears on the ASA 5505 ethernet port I am trying set up?

    I've implemented Vlan1 to be named "inside" and there our internal IP address.  Vlan2 is outdoors and has proper external IP address.

    Problem is for some reason that I can't assign Vlan1 to any ethernet port?

    Here's what it looks like:

    interface Ethernet0/0
    switchport access vlan 2
    !
    interface Ethernet0/1
    !

    I even tried Ethernet0/2 and the same thing.  I run the command of ' switchport access vlan 1 "to the interface appropriately, it gives me no errors or funky indication nothing happens and boom, when I look at the config, you can see above it just appears.  No error or anything.

    I'm completely new to this, so rather than continue to repeat this several times (which I did for about 30 minutes) I thought I'd ask.  It is a 'new' 5505 it was a refurb purchased by a client of mine, so I'm setting up from scratch more or less.  Don't understand why I can't assign vlan1.  If all goes well, there is a simple answer to this.

    Hello

    VLAN 1 is the vlan by default. When you set up or leave the configuration on the interfaces by default, these interfaces will be associated to the vlan 1 but not shown in the config on the show see the race.

    Then, your output is OK and normal you have no error.

    Thank you

    PS: Please do not forget to rate and score as correct answer if this answered your question

  • SETP setp ASA 5505 configuration to inspect traffic

    I have,

    I m strugling with the correct procedure to configure ASA to inspect traffic and only allow traffic any inside out and DMZ.

    Fix my not if necessary:

    1. Configure the interfaces

      • IP address
      • Nameif
      • Security level
    2. Configure the NAT
      • Translation on the inside to the outside
      • Trasnlation from inside the DMZ
      • Static translation from the outside to the DMZ
    3. Create ACLs
      • ACL to allow traffic between the inside and outside
      • ACL to allow traffic from inside the DMZ
      • ACL to form of traffic outside DMZ
    4. Create inspect policy
      1. Class creat card
      2. Create political map
      3. Define type of traffic to be inspected
      4. Associate the policy with the interface

    After that I shoul http ping server and access from outside the network.

    Rigth?

    Greetings from King,

    Antonio

    Hello

    Firstly, the route you created is false. It should be a default route that points to a destination 'ANY' and 'ANY' destination mask. For example, Road outside 0 62.28.190.65 0.

    Second, you don't have politically at the moment because there is a map of default policy already configured with the most important protocols. As a result, ICMP is inspected by default.

    In the third place, to test the traffic between hosts no ICMP routers. Maybe the ISP router blocking an incoming ICMP packets to itself. This means that you will need to create an ACL that applies to the ISP router to allow ICMP to himself. Then, to save all these hassle, just add two hosts as mentioned.

    If you insist on working with routers, do a trace of package for me as shown below:

    entry packet-trace inside 8 0 and post the result.

    Kind regards

    AM

  • Cisco ASA 5505 - Configuration VPN

    I'm trying to configure a VPN connection to allow customers access to the internal network. I have tried to use time Wizard VPN & repeatedly but customer connect but can get out to the internet and communicate with any host on the network. I tried to use a vpn in the 192.x.x.x or 10.10.1.X network dhcp pool but no luck.

    Comments or suggestions appreciated.

    What is the reason for these commands?

    NAT (outside) 0-list of access policyPAT

    NAT (outside) 5 10.10.1.0 255.255.255.0

    If this isn't spicific reason remove

    and put the following command:

    Permitted connection ipsec sysopt

    in global configuration mode to enable the VPN traffic to work around interface access lists

    Good luck

    If useful rates

  • Save the configuration to ASA 5505

    Hi all, I have this problem, I save the configuration to the ASA 5505 help RAM or using the copy, run start but whe I unplug the power cord and plug it back to the ASA gets its default factory configuration... so what I do is a copy start run to get the active configuration...

    Why is it so? even if I saved the config to Flash... greetings!

    You have bad start to register:

    Please follow the following document:

    http://www.Cisco.com/en/us/docs/security/ASA/asa71/configuration/guide/trouble.html#wp1062992

    You must set the default value 0 x 1

    ___

    HTH. Please rate this post if this has been helpful. If it solves your problem, please mark this message as "right answer".

  • ASA 5505 DMZ for the guest wireless access

    Hello

    Here is my delima:

    I'm deploying an Apple Airport Extreme BaseStation with Airport Express 7 "repeaters" throughout my network/building. Apple only allows only two wireless networks, public and private. Your selection of only can 192.168.x.x, 172.13.x.x or 10.10.x.x for each subnet. NO tagging VLAN.

    It wasn't my decision... Apple CEO hs fever.

    So Im stuck on how to implement this without VLAN. The comments/public subnet needs to be isolated outside access. While the private subnet requires access to both.

    Any suggestion would be greatly apprecaited.

    What will the Security Plus license allow me to do?

    Security over the license allows the use of circuits for the ASA 5505.  It also increases the maximum number of VLANS configurable at 20.  Allows active failover / standby and increases the number of authorized IPsec VPN tunnels.

    The problem with the basic license is that you can have 3 VLAN configured and the 3rd VLAN is a VLAN 'restricted '.  This means that you can not pass traffic to or from inside VLAN on the 3rd VLAN (or DMZ VLAN if you prefer to call it that.)  So this VLAN DMZ won't be able to communicate with the internet.

    So, if your private wireless network and the local network will be on the same subnet your public wireless network can be in VLAN 3.  If this isn't the case, you will need to get the security over the license.

    --
    Please do not forget to rate and choose a good answer

  • How to accompany the IDS in ASA 5505 and 5520?

    Dear All;

    We have the following configuration of HW for the ASA 5505 and ASA 5520, we add the functionality of system of detection of Intrusion (IDS) to the two ASA. My question is: what are the modules required to support this function, and what is the deference between IPS and IDS, fact the same Module both the feature?

    Part number: Description QTY.

    ASA5505-BUN-K9

    ASA 5505 appliance with SW 10 users, 8 ports, 3DES/AES

    1

    CON-SNT-AS5BUNK9

    SMARTNET 8X5XNBD ASA5505-BUN-K9

    1

    SF-ASA5505 - 8.2 - K8

    ASA 5505 Series Software v8.2

    1

    CAB-AC-C5

    Power supply cord Type C5 U.S.

    1

    ASA5500-BA-K9

    ASA 5500 license (3DES/AES) encryption

    1

    ASA5505-PWR-AC

    ASA 5505 power adapter

    1

    ASA5505-SW-10

    ASA 5505 10 user software license

    1

    SSC-WHITE

    ASA 5505 hood SSC of the location empty

    1

    ASA-ANYCONN-CSD-K9

    ASA 5500 AnyConnect Client + Cisco Security Office software

    1
    Part number: Description QTY.

    ASA5520-BUN-K9

    ASA 5520 appliance with SW HA, 4GE + 1FE, 3DES/AES

    2

    CON-SNT-AS2BUNK9

    SMARTNET 8X5XNBD ASA5520 w/300 VPN Prs 4GE + 1FE3DES/AES

    2

    ASA5520-VPN-PL

    ASA 5520 VPN over 750 IPsec User License (7.0 only)

    2

    ASA-VPN-CLNT-K9

    Cisco VPN Client (Windows Solaris Linux Mac) software

    2

    SF - ASA - 8.2 - K8

    ASA 5500 Series Software v8.2

    2

    CAB - ACU

    Power supply cord (UK) C13 BS 1363 2.5 m

    2

    ASA-180W-PWR-AC

    Power supply ASA 180W

    2

    ASA5500-BA-K9

    ASA 5500 license (3DES/AES) encryption

    2

    ASA-ANYCONN-CSD-K9

    ASA 5500 AnyConnect Client + Cisco Security Office software

    2

    SSM-WHITE

    ASA/IPS SSM hood of the location

    2

    Thanks in advance.

    Rashed Ward.

    Okay, I was not quite correct in my first post.

    These modules - modules only available for corresponding models of ASA.

    They all can act as IPS (inline mode) or IDS ("Promiscuous" mode), depending on how you configure your policies.

    When acting as IPS, ASA redirects all traffic through the module, then all the traffic is inspected and can be dropped inline if a signature is triggered.

    When she acts as an ID, ASA a few exemplary traffic is the module for inspection, but the actual traffic is not affected by the module, as it's not inline in this case.

    In addition, these modules can be both comdination. That is part of the traffic can be inspected "inline", when some other (more sensitive) traffic can be inspected in promiscuous mode.

    To better understand, familiarize themselves with this link:

    http://www.Cisco.com/en/us/docs/security/ASA/asa84/configuration/guide/modules_ips.html

  • Please give index on configuring vpn site to site on 881 to ASA 5505 cisco router

    Earlier my boss asked me to prepare to implement the VPN site-to site on router Cisco 881 Integrated Services to ASA 5505 router, which is now running on the side of HQ. Someone please give me a hint. I am now learning the pdf file from Cisco that mention how to configure VPN site to site between 1812 Cisco IOS router and router of the ASA 5505 using ASDM V6.1 and SDM V2.5. Cannot find the book for the Cisco 881 device.

    Someone please please suggest me something as soon as POSSIBLE.

    Thank you

    CLI version:

    http://www.Cisco.com/en/us/products/HW/vpndevc/ps2030/products_configuration_example09186a00807ea936.shtml

    ASDM and SDM Version:

    http://www.Cisco.com/en/us/partner/products/ps5855/products_configuration_example09186a0080a9a7a3.shtml

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