ACL and anyconnect ssl vpn

Hello world

I was testing the few things at my lab at home.

PC - running ssl vpn - sw - router - ISP - ASA (anyconnect ssl)

AnyConnect ssl works very well and I am also able to access the internet.

I use full tunnel

I have ACLs on the external interface of the ASA

1 True any     any   intellectual property Deny 0 By default   []

I know that the ACL is used to traffic passing by ASA.

I need to understand the flow of traffic for internet via ssl vpn access. ?

Concerning

MAhesh

As you correctly say, the ACL interface is not important for that because the VPN traffic is not inspected by the ACL. Of the at least not by default.

You can control the traffic with a different ACL that is applied to the group policy with the command "vpn-filter". And of course you need a NAT rule that translates your traffic when running to the internet. This rule should work on the pair of interface (outside, outside).

Tags: Cisco Security

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    AnyConnect (via IKEv2 or SSLVPN) does not use a pre shared key to authenticate the user.  A certificate will be used to authenticate the user and the ASA of + pass and the certificate used to authenticate the user.  The XML profile is necessary just to use the Anyconnect IKEv2 client rather than the default of SSL when connecting to the ASA.

    Here is the doc announced some of the benefits of using Anyconnect with Ikev2 rather than SSL VPN.
    http://www.Cisco.com/en/us/docs/iOS-XML/iOS/sec_conn_ike2vpn/configuration/15-2mt/sec-cfg-IKEv2-Flex.html#GUID-6548042E-1E4C-416A-8347-00DCF96F04DF

    In essence, if you have a simple deployment, then you can go with the installation of SSL VPN and if you want to take advantage of additional features, you can use Anyconnect with IPSec.

    Kind regards
    Dinesh Moudgil

    PS Please rate helpful messages.

  • SSL VPN using MS CA

    I work on the AnyConnect SSL VPN deployment and seeks to secure the connection with a certificate that is NOT provided by the internal CA of the ASA or a 3rd party. What I would do, is our domain CA (MS) approve the certificate - in this way, all users of portable computers that connect to the VPN will accept the certificate without asking for confirmation.

    Is there any type of document from Cisco that describes this case? I looked at the Cisco configuration documents that show:
    -install manually 3rd party SSL VPN vendor certs (IE. VeriSign)

    -to obtain digital certificates for a MS CA ASA (it emits only IPSec certificates for users - the lancers ASA an error on the EKU without specifying the role of authentication server)

    -renew/install the certificate SSL with ADSM (applies only to the self-signed certificates)

    -examined the anyconnect Administrator's guide

    I found two similar positions in the community, but there is no answer from anyone whether or not this is possible.

    https://supportforums.Cisco.com/message/259286#259286

    https://supportforums.Cisco.com/message/1324901#1324901

    I would be grateful for any feedback. I may end up copying the certificate self-signed ASA on all laptops users VPN: S

    Greg

    You treat the SSL VPN as a web server... Create a 3rd party application signing, load it onto your MS CA and select Web server profile... You will need the CA cert so the cert of identification. You load the CA cert first then the cert of the identity.

    You then attach the cert to an interface.

    I did it on my internal interface so that the customization pages would stop sent me some errors in my browser... I went with a cert of public own party 3rd for the external interface given that I expect no area machines to connect and telling users how to install certificates is a pain.

  • Router WAN double with SSL VPN inaccessible for customers

    I have a configured in a Dual WAN setup Cisco 888. There is an ADSL link connected to the VLAN 100 and a SDSL link associated with the Dialer0. The customer wishes to use the ADSL link to the normal navigation and external SSL VPN users to complete on the SDSL connection. I tried to configure the link failover for the ADSL SDSL.

    What works:

    -Access to the Internet for clients the

    What does not work:

    -The ADSL SDSL connection failover.

    -Access SSL VPN for customers. Surf to the external IP address will cause only a page by default HTTP. Specification webvpn.html results in a 404 not found error.

    Here is my configuration:

    version 15.0

    no service button

    horodateurs service debug datetime msec

    Log service timestamps datetime msec

    no password encryption service

    !

    host name x

    !

    boot-start-marker

    boot-end-marker

    !

    logging buffered 51200 warnings

    enable secret 5 x

    !

    AAA new-model

    !

    !

    AAA authentication login local sslvpn

    !

    !

    !

    !

    !

    AAA - the id of the joint session

    iomem 10 memory size

    !

    Crypto pki trustpoint TP-self-signed-3964912732

    enrollment selfsigned

    name of the object cn = IOS - Self - signed - certificate - 3964912732

    revocation checking no

    rsakeypair TP-self-signed-3964912732

    !

    !

    TP-self-signed-3964912732 crypto pki certificate chain

    self-signed certificate 03

    x

    quit smoking

    IP source-route

    !

    !

    IP dhcp excluded-address 192.168.10.254

    DHCP excluded-address IP 192.168.10.10 192.168.10.20

    !

    DHCP IP CCP-pool

    import all

    network 192.168.10.0 255.255.255.0

    default router 192.168.10.254

    DNS-server 213.75.63.36 213.75.63.70

    Rental 2 0

    !

    !

    IP cef

    no ip domain search

    property intellectual name x

    No ipv6 cef

    !

    !

    udi pid CISCO888-K9 sn x license

    !

    !

    username secret privilege 15 ciscoadmin 5 x

    username password vpnuser 0 x

    !

    !

    LAN controller 0

    atm mode

    Annex symmetrical shdsl DSL-mode B

    !

    interface Loopback1

    Gateway SSL dhcp pool address description

    IP 192.168.250.1 255.255.255.0

    !

    interface Loopback2

    Description address IP VPN SSL

    IP 10.10.10.1 255.255.255.0

    route PBR_SSL card intellectual property policy

    !

    interface BRI0

    no ip address

    encapsulation hdlc

    Shutdown

    Multidrop ISDN endpoint

    !

    ATM0 interface

    no ip address

    load-interval 30

    No atm ilmi-keepalive

    PVC KPN 2/32

    aal5mux encapsulation ppp Dialer

    Dialer pool-member 1

    !

    !

    interface FastEthernet0

    switchport access vlan 100

    !

    interface FastEthernet1

    !

    interface FastEthernet2

    !

    interface FastEthernet3

    !

    interface Vlan1

    LAN description

    IP address 192.168.10.254 255.255.255.0

    IP nat inside

    IP virtual-reassembly

    IP tcp adjust-mss 1300

    !

    interface Vlan100

    Description KPN ADSL 20/1

    DHCP IP address

    NAT outside IP

    IP virtual-reassembly

    !

    interface Dialer0

    Description KPN SDSL 2/2

    the negotiated IP address

    IP access-group INTERNET_ACL in

    NAT outside IP

    IP virtual-reassembly

    encapsulation ppp

    Dialer pool 1

    Dialer-Group 1

    PPP pap sent-username password 0 x x

    No cdp enable

    !

    IP local pool sslvpnpool 192.168.250.2 192.168.250.100

    IP forward-Protocol ND

    IP http server

    local IP http authentication

    IP http secure server

    IP http timeout policy slowed down 60 life 86400 request 10000

    !

    pool nat SSLVPN SDSL 10.10.10.1 IP 10.10.10.1 netmask 255.255.255.0

    IP nat inside source static tcp 10.10.10.1 443 interface Dialer0 443

    IP nat inside source static tcp 10.10.10.1 80 Dialer0 80 interface

    IP nat inside source overload map route NAT_ADSL Vlan100 interface

    IP nat inside source overload map route NAT_SDSL pool SSLVPN SDSL

    IP route 0.0.0.0 0.0.0.0 x.x.x.x

    IP route 0.0.0.0 0.0.0.0 Dialer0 10

    !

    INTERNET_ACL extended IP access list

    Note: used with CBAC

    allow all all unreachable icmp

    allow icmp all a package-too-big

    allow icmp all once exceed

    allow any host 92.64.32.169 eq 443 tcp www

    deny ip any any newspaper

    Extended access LAN IP-list

    permit ip 192.168.10.0 0.0.0.255 any

    refuse an entire ip

    !

    Dialer-list 1 ip protocol allow

    not run cdp

    !

    !

    !

    !

    NAT_SDSL allowed 10 route map

    match the LAN ip address

    match interface Dialer0

    !

    NAT_ADSL allowed 10 route map

    match the LAN ip address

    match interface Vlan100

    !

    PBR_SSL allowed 10 route map

    set interface Dialer0

    !

    !

    control plan

    !

    !

    Line con 0

    no activation of the modem

    line to 0

    line vty 0 4

    privilege level 15

    transport input telnet ssh

    !

    max-task-time 5000 Planner

    !

    WebVPN MyGateway gateway

    hostname d0c

    IP address 10.10.10.1 port 443

    redirect http port 80

    SSL trustpoint TP-self-signed-3964912732

    development

    !

    WebVPN install svc flash:/webvpn/anyconnect-dart-win-2.5.0217-k9.pkg sequence 1

    !

    WebVPN install svc flash:/webvpn/anyconnect-macosx-i386-2.5.0217-k9.pkg sequence 2

    !

    WebVPN install svc flash:/webvpn/anyconnect-macosx-powerpc-2.5.0217-k9.pkg sequence 3

    !

    WebVPN context SecureMeContext

    title "SSL VPN Service"

    secondary-color #C0C0C0

    title-color #808080

    SSL authentication check all

    !

    login message "VPN".

    !

    Group Policy MyDefaultPolicy

    functions compatible svc

    SVC-pool of addresses "sslvpnpool."

    SVC Dungeon-client-installed

    Group Policy - by default-MyDefaultPolicy

    AAA authentication list sslvpn

    Gateway MyGateway

    development

    !

    end

    Any suggestions on where to look?

    Hello

    It works for me. When the client tries to resolve the fqdn for the domain specified in "svc split dns.." he will contact the DNS server assigned through the Tunnel. For all other questions, he contacts the DNS outside the Tunnel.

    You can run a capture of packets on the physical interface on the Client to see the query DNS leaving?

    Also in some routers, DNS is designated as the router itself (who is usually address 192.168.X.X), if you want to make sure that assigned DNS server doesn't not part of the Split Tunnel.

    Naman

  • ASA 5505 SSL VPN license update

    Hi all.

    Our ASA 5505 with DATABASE default license allowing only 10 simultaneous vpn sessions (including 2 Anyconnect + IPsec). attached a TXT file with the license information. This Firewall is's use only for vpn access, and we less vpn tunnel vpn IPSec-L2L, anyconnect client SSL and IPSec client access configurations vpn to the top and race walk,.

    We are in terms of upgrading vpn license to archive IPSec 10 and 10 Anyconnect and 1 anyconect mobile VPN sessions in time. so my questions are;

    1. can I buy "ASA5500-SSL-10 =" accounting and to upgrade our ASA 5505 without having to buy "L-ASA5505-SEC-PL =" license of pus of security.

    2. asa use to upgrade only Anyconnect SSL vpn license while keeping 10 vpn IPSec comes with the base license.

    Thank you & you expects value comment

    Thank you

    JCK

    1. Yes.

    2.Yes.

    If you want to keep Clientless SSL VPN you do not want to continue with the addition of the ASA5500-SSL-10 = part. If you can do without client (including the conversion the two existing ones), more economically, you can opt for Security Plus and AnyConnect Essentials licenses. (US$ 800 vs price $1250).

    In both cases, the Mobile requires the AnyConnect Mobile (ASA-AC-M-5505) license.

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