Cisco VPN :: 1803 ISR - Restrict Traffic Through EasyVPN Tunnels
Feb 16, 2011
We are using a 1803 ISR for remote vpn users. They use Cisco VPN clients with the EasyVPN server functionality of the ISR. I would like to restrict the ports/protocols which they can use to the remote network they connect to.
This is the (edited) client config in the ISR:
crypto isakmp client configuration group RemoteVPN key remoteaccess dns 192.168.0.1 domain domain.local pool POOL_1 acl 140 netmask 255.255.255.240,access-list 140 remark EasyVPN ACLaccess-list 140 permit ip 192.168.0.0 0.0.0.255 any
I tried to edit the acl 140 with access rules, but they do not seem to have any effect. If I edit acl 140 with deny ip any any, for example, the remote users can still use any protocol to access the remote network.
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Jun 24, 2012
I am using 3945E Router as Easy VPN Server, with 15.1 IOS. On router I have bunch on usernames for VPN authentication, I want to restrict Router management access for them(ssh,telnet, http and so on).
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Jan 11, 2013
I have a customer, who has the SVI's configured on the Core (4500x) and this is connected to a ASA 5525x, there is a requirement of restricting traffic between different vlans. How can i use the ASA to accomplish this task. ACLs on the Switch are not stateful and hence not considering this option, Also we are not planning to configure the GW's on the ASA since there is lot of traffic between the vlan's and this will become a bottleneck
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May 9, 2011
I just received my rv220w and perhaps I haven't got enough experience with cisco routers. How can I restrict traffic between different VLANs?
For example: Hosts in one VLAN shall only be allowed to access a web server in another VLAN. All other traffic should be blocked. I've created two VLAN with Inter VLAN Routing enabled. But it seems there's no way to install a firewall rule between VLANs.
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May 2, 2013
We have many VPN tunnels back to our corporate office. All of these tunnels are very slow (same with our client VPN's). Our main firewall device at the corporate office is an ASA5510. We have a 100 Mb/sec Metro Ethernet internet connection here. We do not allow split-tunneling.
Our remote sites vary. We have DSL connections, cable internet connections, and other types of broadband that vary in speeds from 5 to 100 Mb/sec (up and down). The remote sites mostly have PIX 501's, but we have an ASA 5505 in one of the locations.
To take an example. On one of our remote sites that has a 100 Mb/sec connection, if I ping device to device, I'm getting ping times of about 50ms. And I'm pinging back through another 100 Mb/sec connection. If I get on a computer down there and run a speed test, I'm showing down speeds of about 1.5 Mb/sec... nowhere near 100. Some of that could be due to the lack of split tunneling, but I also suspect this could be an MTU issue.
Right now, all my MTU's are just set to the default 1500. Perhaps this is too high. I used this site to check my max: [URL]
I did a few tests from behind several of my firewalls. I pinged from a machine on one side of the tunnel to the firewall on the other end. I'm assuming the max MTU I come up with is the max MTU for the firewall I'm behind while pinging, right? The max amounts I came up with for some of my devices were as follows: Corporate ASA 5510 > 1272 (if you add the 28 byte packet header that would make it 1300) Remote PIX 501 > 1416 (if you add the 28 byte packet header that would make it 1444) Remote ASA 5505 > 1418 (if you add the 28 byte packet header that would make it 1446)
So, do I just need to set my MTU values to the appropriate amounts? I have tried changing the value, but I don't see any change in speed/performance. But I also don't know if I need to reboot the firewalls after changing the MTU. I know with Catalyst switches, you have to reload. But I didn't see any messages about needing to reboot on the ASA's/PIX's.
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Jul 9, 2011
I have recently purchased a Linksys WAG320N (firmware V1.00.12) to replace my old ZyXEL P-660H-D1.I've managed to set it up roughly the same in terms of the ports I want open and port forwarding, with one exception: I can enable a port to be forwarded to an IP address on my network, but I can't find anywhere to set it so that the port is only allowed from a specific IP address outside of the network, e.g.
Accept port [some number] from [some Internet address] into 192.168.1.2 but reject attempts from others.I thought it might be in Access Restrictions but that only covers internal IP addresses.
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Jan 12, 2013
I have an issue where I can get traffic to pass from HDQ to two branch offices over our ipsec/gre tunnels even though the tunnels appear to be UP. The HDQ is a 2811, branch is a home office using an 871W and branch runs a 2801 router. I initially had HDQ working fine with the 871W but when I configured branch2 (2801), they both broke. The tunnels appear to be up but traffic is not routing across them. The two 2801 routers run 12.4 (c2800nm-adventerprisek9-mz.124-24.T2.bin). These are gre over ipsec tunnels. Currently traffic flows over an exsting MPLS network that we are getting away from due to cost. As soon as I change the routes to point to the Tunnels, it breaks. Traffic doesn't appear to pass through the tunnel. I have attached my sanitized configs.
HDQ#sh crypto sessCrypto session current status
Interface: FastEthernet0/1Session status: UP-ACTIVEPeer: 205.205.205.21 port 500 IKE SA: local 204.204.204.66/500 remote 205.205.205.21/500 Active IPSEC FLOW: permit 47 0.0.0.0/0.0.0.0 0.0.0.0/0.0.0.0 Active SAs: 4, origin: crypto map IPSEC FLOW:
[Code]....
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Sep 12, 2011
Due to the annoying WWAN issues with the old Cisco VPN client (IPsec) I am trying to establish remote access to a LAN behind a Cisco 1803 using Anyconnect and SSL VPN.But I simply cannot make it work.I have a Cisco 1803 running IOS Version 12.4(15)T15 and I have tried Anyconnect 3.0 and 2.4 on Windows XP and MacOS 10.5, none of them established a VPN connection to the router, saying not a single word more but "Connection attempt has failed". [code] And do I have to install any particular svc.pkg in the flash? As far as I have found out you can install only one client package (how do you server different clients then?). But if I use permanently installed AnyConnect on my client system the installed svc.pkg on the router doesn't matter at all, right?
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Nov 11, 2012
I restored the HA pair back to Active/Standby.
1 remaining issue.
I have 3 IPsec Site-to_SIte tunnels.
I noticed that when the NEW UNIT becomes ACTIVE that I am unable to pass traffic over the VPN tunnels.When I failback I am able to pass traffic.
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Feb 24, 2013
I am trying to establish routing between two Site to Site vpn tunnels, both of which are terminating on the same outside interface of my Cisco ASA.
find attached Network Diagram for the same. All Firewalls used are Cisco ASA 5520.
Both VPN tunnels between Point A and Point B, Point B and Point C too are up. I have enabled Same security level intra interface permit command also.
How do i enable traffic originating from LAN Subnets behind Point A to reach LAN Subnets behind Point C without having to create a Seperate tunnel between Point A and Point C
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Nov 30, 2012
URL What changes are needed to the 2821 config that is behind another Cisco router? And what static ports should be opened on the MAIN Cisco router that is in front of the 2821?
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Aug 12, 2012
Can the Cisco ASA 5510 appliance be used as an EasyVPN Remote device, or only as an EasyVPN Server?
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Feb 23, 2011
We have many new and very small remote sites that will be connecting via an ASA5505 using easy VPN. Works without an issue and we've got the configuration and process nailed down.
The challenge I was presented with today involve non-standard remote sites where I need to configure a third interface on an ASA 5505 and allow it to pass directly to the Internet and not go through the VPN. Configuration of the third interface, assignment and configuration of the ACLs / NAT(PAT) are straight forward.
The challenge I face and haven't been able to find a direct answer to is if it's possible to have the traffic bypass the easy vpn network extension process. At this time the traffic is going down the tunnel which isn't what I want.
I fear I'll have to build classic site-to-site VPN configurations which isn't a huge issue though it breaks all maintenance/operations methods, processes and I'll have to spend time training the support team how to detect the differences.
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Jun 16, 2011
I don't seem to be able to connect to my cisco 831 router with easy vpn server configured using my Blackberry Playbook. Looking at the console of the router i can see the debugging but am not sure what it all means.
Current configuration : 2574 bytes!version 12.3no service padservice timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname Router!enable secret 5 $1$FM71$y4ejS2icnqX79b9gD92E81enable password xxxx!username CRWS_Ritesh privilege 15 password 0 $1$W1fA$o1oSEpa163775446username shamilton privilege 15 secret 5 $1$wFLF$8eRxnrrgVHMXXC0bXdEGi1aaa new-model!!aaa authentication login default localaaa authentication login ciscocp_vpn_xauth_ml_1 localaaa authorization exec default localaaa authorization network ciscocp_vpn_group_ml_1 localaaa session-id commonip subnet-zerono ip
[code]....
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Oct 18, 2012
I've two sites, the branch with an ASA 5505 and on the corporate office i've an ASA 5510.I need to make a easy vpn tunnel between this to sites and I've made some configuration, but for now, the ikev1 isn't working.
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Mar 15, 2011
I have one ASA 5510 on main office that access the internet trought of a private link and one ASA5505 on the branch office that access the internet trought of a ADSL link with dynamic IP.
Behind ASA 5510 the network is 10.8.40.0/24 and behind the ASA 5505 the network is 10.30.103.0/24. I want access both network trought of the frame-relay link and the internet link with EzVPN.I make that access only ip on the main office, this comunication go to frame-relay link and the everyone go to the VPN.When the traffic go to the frame-relay link, I use a NAT Static Policy that change the source 10.30.103.0/24 to source 10.40.103.0/24. Its work OK when a VPN do not UP.When the VPN is UP, the NAT dont work and the packet go to the true IP (10.30.103.0/24).
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Feb 25, 2013
How to setup option 150 in IP pool on VPN Client.
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Jul 11, 2012
I have been trying to configure Cisco1941/K9 as Easy VPN Server through CiscoCP.The tunnel comes up but I cannot pass any traffic to the secure LAN (GigEth 0/1). When the tunnel comes up, I can ping the Loopback interface and the GigEth 0/1 interface IPs.
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Dec 5, 2011
I have a Cisco ASA 5510 and a Cisco ASA 5505. I want to configure the ASA 5510 as Easy VPN Server and 5505 as Easy VPN hardware client.Using either CLI or ASDM.
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May 16, 2012
I'm in the process of setting up a working VPN/Firewall setup on an 881W ISR. I have the firewall, NAT, and VPN working, and I'm able to connect remotely to my router. The problem I am having is that I none of my VPN cllients can connect to the internet. I suspect that my firewall rules may have something to do with this. Let me break-down what I have, and what I want to achieve:
1. My router is setup with VLAN1 (172.16.1.0/24) as the inside zone (in-zone), while my outside zone (out-zone) is FastEthernet4 (DHCP WAN Interface). I also have a guest zone (guest-zone) VLAN12 (192.168.12.0/24) used for my guest SSID wireless, which is NATed to the outside zone.
2. I have my EasyVPN setup using a Virtual Template Interface that terminates at the WAN interface FastEthernet4 (something tells me this should be changed). Should I terminate at VLAN1, or an interface or loopback on VLAN1?
3. I ultimately want the VPN users to be able to conenct to the local resources on VLAN1 only, while being able to get out to the internet. [code]
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Jul 11, 2011
I have a Cisco ASA 5505 which is setup as an EasyVPN client to e remote VPN concentrator.
The Cisco ASA has the 50 internal user license with 10 VPN peers.
We just upgraded the license from the base 10 internal user to 50 user license but it has not resolved the problem and only 10 internal users still work, the 11th fails.
Does each EasyVPN client on the inside network take up 1 of the 10 VPN peer licences?
This seems to be the issue from what I can see, just need confirmation.
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May 3, 2011
I have big trouble with easyvpn clients access filtering on asaos 8.4.1. I have couple of remote offices with hardware clients (cisco 87x, 88x) configured as easyvpn clients to Asa. Default route in it's routing table pointing to the Virtaul-Access interface (easyvpn connection to ASA), so there is no split tunneling or any kind of nat on the clients. I have ip-telephony deployed across remote offices. This remote offices should be able to call to each other.
On the ASA i have configuration for this purpose:
same-security-traffic permit inter-interface
same-security-traffic permit intra-interface
But as soon as I configured it, remote users obtain an ability to access Internet without any restrictions although there is couple of access-lists configured on the outside interface pointing to easyvpn clients. Then there is no same-security-traffic commands i can filter out access to internal and external resources correctly, but remote offices can't communicate with each other
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Mar 8, 2012
I have a Cisco ASA 5505 which is setup as an EasyVPN client to e remote VPN concentrator.The Cisco ASA has the 50 internal user license with 10 VPN peers.We just upgraded the license from the base 10 internal user to 50 user license but it has not resolved the problem and only 10 internal users still work, the 11th fails. Does each EasyVPN client on the inside network take up 1 of the 10 VPN peer licences? This seems to be the issue from what I can see, just need confirmation.
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Aug 28, 2011
(Router is ISR 1921)This is doing my head in. I am not using NAT, there are no ACLs, there is no split horizon.Here is what I have. It is practically generated by CCP. When connected I cannot ping the loopback interface or the gig0/0 interface, (not to mention anything else).
version 15.0
service config
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname dcsgw1
[code]...
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Jan 23, 2013
I have a branch office set up with a cable modem and an ASA 5505 as an easyvpn hardware client with network extension mode enabled, and connects to a PIX515E at the headend.I'm working on a separate issue for why the Internet connection drops periodically at the site, but my main problem is as follows.In this location, I have an 1142 LAP. It can boot up, and join the WLC just fine. Performance seems a little slow when it's working, but it works. The real issue is, if the VPN connection drops and reestablishes for any reason, the wireless clients all cease being able to communicate. All wired clients seem to bounce back without a problem.
The access point still shows to be joined to the controller, the access point never goes down, just wireless clients can't access anything any more. If I reload the access point, clients reassociate and continue on their merry way. For now, I am experimenting to keep the connection from dropping, but I'd really like to get it where I don't have to babysit this thing all day and night, and it can rejoin and function normally by itself after an outage.We are changing to this configuration from wireless bridging due to interference and reliability issues - however, I never experienced any similar issues with this particular access point before, so it's not the access point itself.
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Oct 10, 2012
I am installing 2 ASA 5505s at home offices with dynamic IPs. The EasyVPN server is a ASA585x. I am using the 5505s in NEM mode. I configured a unique DHCP scope on each 5505. I have a dynamic crpto map on the server. I configured unique tunnel groups, group policies and usernames for each site on the server. This seems to work fine. Is it normal to configure unique tunnel groups, group policies and usernames for each remote site?
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Mar 2, 2011
When ASA 5505 was installed we selected Easy VPN Remote. Now we want to disable it. In ASDM we navigate to Configuration > Remote Access VPN > Easy VPN Remote and try to clear the Enable Easy VPN Remote checkbox but it will not uncheck.
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Oct 26, 2010
I am using Cisco configuration professional to set up one easy vpn server on 887-K9,vpn client can dial up the server successfully but can only ping router but on other lan. Looks like there is a nat issues between lan and vpn client?
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Apr 28, 2011
So I have three ASA 5505 firewall. my firewalls we are in the test environment. I read on the net that when you have a situation like in my company where are headquarter and two offices, i should put in each branch office and headquarter one asa firewall and a firewalls should be configured as easyvpn.
VPN server is in headquarter and easyvpn's are in branch offices. i tried everything, but we could not configure them. maybe it's not a problem that in my test environment at my the external interfaces which have static addresses on these three firewalls, respectively serever 192.168.2.1, 192.168.2.2 and 192.168.2.3 client client. I seted firewalls by following the instructions, but does not work
[URL]...
I solved the problem with the server as a remote access VPN. client workstations that are on the 192.168.2.0/24 network can access a local LAN via VPN. But when you put the ASA 5505 firewall. clients on the LAN side of the firewall can not access the VPN. I use software products Cisco VPN Client 5.0.06, but when I create a connection and try to connect to get an error secure vpn connection terminated locally by the client. reason 412: the remote peer is no longer responding.
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Aug 11, 2011
I using cisco 837 for incoming remote access VPN connections with are working very well but I recently created one outgoing easy vpn connection and I have issue since that time. As soon as easy VPN is up and established successfully I lost remote VPN access to internal subnet.
Where is :
Internal subnet: 192.168.172.0/24
remote VPN pool 192.168.24.2-6
Take a look at config attached and point me at missconfiguration
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Jan 19, 2012
We have a number of 5505 ASAs at remote sites all of which are configured to connect to one of two head-end servers.We need to change the primary head-end IP addresses. At the moment devices are successfully connected to the secondary.If we issue vpnclient server i.j.k.l e.f.g.h then the device drops off the network and won't reconnect until it is power cycled.If we make the changes in ASDM using the GUI to remove the old primary and add in the new primary the ASDM says "No changes made".Devices are running 8.2 and 8.4 code and behaviour is the same.
how to change head-end server IP addresses without the device disconnecting and not coming back up? According to the configuration guide the ASA should cycle through the addresses every 8 seconds until it can connect - but it doesn't seem to do this as it won't connect to the good secondary head-end either!
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Nov 2, 2011
EasyVPN PIX515 server and ASA5505 client?
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Jul 5, 2011
I need to configure our ASA5505 firewall for remote access to our network using EasyVPN software installed on a laptop. That laptop will be connected in the different places, using DSL or 3G toggle or Public Wi-Fi. For some people it's very easy, but I don't have any experience with firewalls.
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