Cisco Security :: IPsec VPN Access-list At ASA 5510?
Sep 13, 2011
i configurated Ipsec vpn at asa 5510.
my inside ip 192.168.10.156
my public ip: 85.x.x.x
my peer ip : 62.x.x.x
the project is that:the remote site want the interesting traffic like that:
source ip 172.16.1.104 can access destination ip 10.0.154.27
my inside ip is 192.168.10.0/0 and i can not to change it 172.16.1.0/24 and i can not to add this ip at my network.i do that way but i can not test it.
interface Ethernet0/0
nameif outside
security-level 0
ip address 85.x.x.x.106 255.255.255.248 standby 85.132.71.107
!
[code]....
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Sep 12, 2011
I configurated Ipsec vpn at asa 5510. my inside ip 192.168.10.156my public ip: 85.x.x.xmy peer ip : 62.x.x.x
the project is that:
the remote site want the interesting traffic like that:
source ip 172.16.1.104 can access destination ip 10.0.154.27
My inside ip is 192.168.10.0/0 and i can not to change it 172.16.1.0/24 and i can not to add this ip at my network.
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Aug 29, 2012
we have two 2851's. One in Australia, one in NZ, IPsec VPN between the two.
We have multiple subnets behind the tunnels. From all the sunbets in Aus we can reach all the subnets in NZ, except for one. From NZ we can reach all the subnets in Aus. The traceroute and pings from the subnet in question in Aus goes out the internet interface of the router instead of going into the tunnel.
The subnets in question are 10.110.220/24 (Aus), 10.110.250/24 (NZ)
The access lists at both ends cover the traffic required but for some reason when leaving Australia the traffic is not captured by:
Crypto Map "AUS-SYD" 20 ipsec-isakmp
Description: Auckland VPN
Peer = 203.167.249.46
[Code].....
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Nov 14, 2011
i configurated ipsec vpn at cisco asa 5510. all them are working very well. now i want to change ipsec remote vpn to L2tp over ipsec.i have router, asa and 3750 switch. all nat translation are done at router , ipsec vpn configurate at asa.
this is my ipsec configuration. this is working config. as you see i do static nat asa outside ip for vpn at router. now i want l2tp over ipsec. before i do it i have some question
1. must i do static nat port udp 1701 for l2tp over ipsec vpn? can i write access list at asa to open port 1701?
2. can i remove this static nat or i can not be change anything.is this nat is true for l2tp over ipsec vpn?
3.as you see user authentication from radius server at ipsec vpn. i also want this is same as l2tp over ipsec vpn..
4. i think that i must be add this addtional config. is this true? tunnel-group DefaultRAGroup ppp-attributesno authentication chapauthentication ms-chap-v2
is this config enougth for l2tp over ipsec vpn?? what is addtional config i need?
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Feb 17, 2013
I have at the moment an ASA5510 pair in Multiple Context configured. Everything is ok, but we use til now only ACL features.Now I would be interested in configuring 2 contexts, with IPSec VPNs. One VPN per context. But I cannot find any information if it would be possible to use a shared interface for both contexts. My wish would only be to spare public IPs.If I have to configure 100 VPNs in 100 contexts, do I need 100 public IPs ?
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Nov 4, 2008
how to perform port security or mac access-list on LAN ports of router 861 or 881.There are commands access-list 700-799 , but I don't know how to apply that access list on configured vlan or particular port.
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Apr 5, 2011
How to designate access-list for the remote access vpn users in order to let them access specific subnet or host,asa 5510 and acs is in the picture
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Apr 24, 2011
I have just upgraded a ASA5510 from 8.2 to 8.3 using migration tool.All seemed to go well, still double checking the config as this is a bench test of upgrade prior to filed upgrades.
Anyway one thing that is slightly frustrating is that the migration has expanded all of my access-lists, so we maybe had 10 lines of config relating to access-lists based on access-groups, now we have hundreds of lines.On ASDM this is bad enough but on CLI with show run its a bit of a bind.
Is there any way to un-expand the access list or do I simply delete and start again using my access groups.
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Mar 14, 2013
I created some acess-lists, and you can assign a logging level to this access-list. Now this ACL has a lot of hits, so i want to see whats happening. Only the log I then see is completely empty. I cannot figure out how to get some info in that log.
I think there is some global logging setting i probably need to enable in order to get anything logged at all, but i cannot figure out which.
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Dec 1, 2011
How can I NAT the same set of four hosts and give them access to two different networks across an IPSEC site-to-site VPN tunnel? I'm using an ASA5520 running 8.04.
I have four hosts say: 10.240.1.1-10.240.1.4
They need access to two different networks:
205.100.150.0
140.175.200.0
I woud like to NAT them as something like:
7.5.210.1
7.5.210.2
7.5.210.3
7.5.210.4
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Feb 17, 2007
setup CE500-24TT switch Port FE2 router / ports FE1,3-24 desktop / Ports GE1-2 Switch ports - MAC filtering is NOT enabled
FE1 - Cisco PIX501
FE2-24 Desktops/Printers
G1 - Empty
G2 - 8 port Gig Switch
8 Port G Switch = SBS2008 / Win2003 with Citrix / Win2K8 Management Server - plus a couple of desktops for Gig to server accessIs it possible to configure a PIX 501 to allow internet access for a Cisco VPN Client 4.8 without Split tunneling.The idea would be to have all raffic traverse the tunnel, be routed out the local WAN link on the PIX and then have the reply be forwarded back to the client over the IPSec tunnel.
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Jan 17, 2011
We have configured site to site VPN tunnel from offshore to client location using ASA5510 and accessing RDP from client location. Also configured remote VPN access at offshore location. But using remote VPN client we are able to get RDP from officeshore location but not able to access RDP from client location. Is there any additional changes required ?
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Dec 26, 2011
Is there any way to access a MS Exchange Server 2007 on Windows server 2008 through an ASA 5510 running 8.4 with a full MS Outlook client (not using OWA - web browser)? OWA is currently working fine but I was wondering if access via the full Outlook client is possible and more importantly...is it opening up too many ports on my 5510?
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Aug 7, 2012
I have a customer that wants to purchase an ASA 5510 security plus to terminate client VPN access for an external support team. The customer claims to want URL content filtering/proxy which leads me to suggest a CSC SSM 20 plus module. But upon further conversation, he mentioned wanting IPS. In this case, the customer does not seem to know the difference between the URL content filter/proxy and the IPS and uses both terms interchangably.
1. What would you suggest in your expert opinion would be the best module to get for this customer? IPS or CSC
2. If I go with the CSC module, where can I find good documentation on how to configure it and get it up to date?
3. does the CSC module provide any web proxy functionality?
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Aug 8, 2006
ASA 5510 security plus edition will it support active/active failover. and does it support context with securiyt plsu edition. and how many default context do we get with asa 5510 security plus edition.
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Apr 26, 2012
I need to know the maximum number of MAC addresses that can be entered in to the MAC security filter list on the AP541N.I know it has a maximum number of 200 concurrent users, however the documentation does not specifiy whether this also applies to the MAC filter.
I have used wireless acces points in the past that allow hundreds of users but only allow 64 MAC addresses, so this is very important.
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Feb 26, 2012
What are the list require for setting up Data Center for either University or Government?
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Nov 29, 2010
I am trying to allow telnet to port 551 but i couldn't get it to work.I am using a cisco 1720 router running on IOS 12.2.I am using the below commands to set the access list to allow access to port 551 using remote telnet to the Cisco router.hostname R1!interface ethernet0ip access-group 102 in!access-list 102 permit tcp any any eq 551.After i enter the above command the router will disconnect me and i will not be able to connect to it for awhile. Once the router is up i am still unable to telnet to port 551.
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May 5, 2012
i have started managing a asa 5510 firewall which is already having 10 ipsec tunnels , the problem i am facing is they are configured as "ipsec vpn map"
i have attached sample config, i am finding it difficult to understand the parameters used in each tunnel as the configration seems bit complex to me, how it works .
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Oct 10, 2012
I did purchase a router 1941 universal k9 but i can not do ipsec on it, i took a smart net for that router in order to have or download ipsec on it.
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Mar 10, 2011
I need to create a IPSec Site-Site VPN in the Single mode firewall. Is it possible to create the tunnel. I have ASA 5510 Security Plus with Ver 8.3
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May 12, 2011
We're in the process of setting up an ASA 5510 as our main VPN appliance.
The Outside interface of the 5510 faces our DMZ, the Inside interface sits on our main network. The 5510 uses radius for authentication going to a server on the same subnet for the authentication. That works fine. VPN client can connect to the 5510 and successfully authenticate. Routes are pass through to the VPN client, no problem. PC with VPN client can access internet (which is by design, it should use it's own internet connection), but cannot ping/access/trace over the tunnel at all.
My hunch is that this is a nat issue - but I am confused as to how the NAT should be configured - I've tried several configurations with no luck.
The VPN client is set to pull an ip address from the pool - 192.168.56.10 - 100. The 5510 is sitting on a separate subnet (50.x/22). This seems to work on the Cisco 1700 that it will be replacing just fine. I mirrored routes and ACLs as well onto the new 5510. No luck. Client connects, authenticates, pulls an IP address and routes, but can't see anything on the inside of the 5510.
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May 17, 2012
I have an ASA 5510 running 8.4(2) which has a site to site IPSec VPN to a 3rd party who run some form of Checkpoint. The VPN establishes and allows access to a server in our DMZ on all ports that we have tested (so far HTTP, SSL, RDP, FTP) except for SQL which doesn't even seem to reach the server. I've got Wireshark running on the DMZ server and if the 3rd party initiates a TCP conversation from their server on any of the working ports to the server I see all of the expected packets arrive with the correct IPs etc (no NAT takes place across the VPN) but when an ODBC client attempts to query the SQL server on our DMZ box the packets do not arrive at the server. What I can see is the RX byte count on the VPN increasing each time the query is run but definitely no SQL arriving at the server.
Also if I revert the ASA back to the old PIX it has replaced with the same VPN config but on version 7.x then it works just fine.
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Aug 6, 2012
We have an ASA 5510 running 8.3 that we need to use to terminate a LAN to LAN IPSEC VPN.
Problem is we only have one public address available so have had to configure the link between the ASA and the Internet Router on private addresses.
Is it possible to NAT the public address to the inside or outside interface of the ASA and terminate the VPN on that interface?
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Aug 31, 2011
I have been given the following details by a company for us to connec to their IPsec VPN.
IP Address 200.9.21.214
VPN Device Description Cisco ASA
VPN Device Version 5510
Encryption Domain 10.152.24.10
Authentication Method Pre Shared Key
Encryption Scheme IKE
[code]....
I was going to use VPNC with linux but the company said they do not use remote access. So I tried a draytek vigor 3300v, that as well did not work. Had very bad logging so i couldn't troubleshoot.In the end I have decided to buy the cheapest cisco device that will allow me to connect to this.
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Apr 5, 2013
I am facing a problem when configuring the ipsec vpn on my 7200 router. [code]
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Nov 15, 2011
I want to configure a remote VPN for our clients on Cisco ASA 5510 using Dyn DNS as I dont have static IP address.
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Nov 13, 2012
I have an ASA 5510 running ver 8.0(2) that has (4) Ipsec tunnels going from it to various other locations. I am having an issue with data transfer speed on only one of the Tunnels. This tunnel is between the 5510 and the 5555, on that link I am getting a dat transfer rate of a little over 120k a second, whereas if I pull the same set of files from another location I am seeing a transfer rate of 5m per second.
I have verified that it is not a capacity issue on the Internet bandwidth on both locations, and I can pull the same data from the same location to various other locations via Ipsec tunnels, I am only having an issue with a specific tunnel going from the 5510 to the 5555.
Since it is not affecting other tunnels on the 5510 nor is it affecting tunnels on the 5555 going to other locations, I am leaning toward a routing issue within the ISP? I will say the ISP is taking me a long way around to stay in the same Metropolitan area.
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Jun 8, 2011
i've an Cisco ASA 5510 with Security Appliance Software Version 8.0(2), in this ASA i've many L2L tunnels to this ASA, anda sometims new tunnels can't connect, the older tunnels still ok and working, yesterday this situation occured again and i've tried to clear all ipsec tunnels and try to reconnect again no one cames up again. At the time of this situation memory usage was about 78% and CPU is was around 5%. I've made a reload without changes and the situation returns to the normality.
At the time of the fail i've collect the outpu from debug crypto isakmp 255, the outpu was in the annexed file.
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Mar 28, 2013
I've got random connection issue when I try to connect to a VPN gateway through an ASA 5510 (IPSEC client ->ASA 5510->VPN Gateway).
When the tunnel is coming up, those two lines appears in the captured traffic on the internal interface :
<private internal IP>.500 > <destination IP>.500: udp 541
<public external IP>.500 > <destination IP>.500: udp 541
When it's not coming up, the port nuimber for the public IP is not 500
(private internal IP).500 > (destination IP).500: udp 541
(public external IP).442 > (destination IP).500: udp 541
I don't understand why sometimes the port for the public external IP is 500 and sometimes not.
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Jul 16, 2012
We have built IPSEC VPN over MPLS P2P circuit between Head & Branch office using Cisco ASA 5510. Client systems at Branch office connects to Citrix app at Head office, but it gets disconnect intermittently for all user. if any recommendations/changes required for Citrix App whn passing over IPSEC VPN/ ASA.
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May 22, 2013
I have a 5510 that i have configured for L2TP over IPSEC, not using AnyConnect. The first, and most prevelant being, VPN clients are unable to ping/access any of the hosts that are assigned a static NAT from the inside interface to the outside interface. I was able to circumvent this by adding another static NAT to the public interface for the incoming clients, but this caused intermittent connectivity issues with inside hosts. The second issue involves DNS. I have configured two DNS servers, both of which reside on the internal network and are in the split_tunnel ACL for VPN clients, but no clients are using this DNS. What is the workaround for using split tunneling AND internal DNS servers, if any?
i've had two different CCNA's look at this numerous times to no avail. A ping from a VPN client to any internal host works fine, unless it is one that is NAT'd. You can see in the config where i added the extra STATIC NAT to try and fix the issue. And this works perfectly across the tunnel but only intermittenly from the internal 10.1.4.x network. [code]
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Oct 27, 2011
I have a 2811 that is my HQ router with a 10MB pipe. I was trying to configure a IPSEC tunnel to connect to my ASA that has access to our companies internal servers on the 10.33. and 172.16.31 network. I am having a problem getting phase 1 to even come up. I've looked over the configurations and unless i'm overlooking something I dont see what could be keeping it from at least completing phase 1
Below are the configs.
2811-CFG
crypto isakmp policy 10
encr 3des
hash md5
[Code] ....
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