VPN client, lost connection
Hello
I pix506e here... and vpn clients connected.
But suddenly lost connection vpn client 40 minutes and then try to reconnect again but fail. If the vpn client restarts their pc/notebook...yes it can connected to vpn again... but the interruption of the connection again... then restart... and so on... What is the cause of this problem?
Thanks for the help
Tonny
All remote VPN clients are having the same problem or is it limited to just a few. If the problem is seen with only a few, it is quiet possible that the problem is not with the PIX of the customer. In addition, the DPO is enabled or not. DPD will cause tips to know an IPSec connection over, where the SAs flusing, allowing new being negotiate quickly.
Tags: Cisco Security
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Hello
just a quick,
TOPOLOGY
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http://support.Microsoft.com/kb/889527/en-us
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authentication crack
aes-256 encryption
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authentication rsa - sig
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aes-256 encryption
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authentication rsa - sig
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preshared authentication
aes-192 encryption
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IKEv1 crypto policy 70
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aes encryption
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IKEv1 crypto policy 80
authentication rsa - sig
aes encryption
sha hash
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IKEv1 crypto policy 90
preshared authentication
aes encryption
sha hash
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IKEv1 crypto policy 100
authentication crack
3des encryption
sha hash
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IKEv1 crypto policy 110
authentication rsa - sig
3des encryption
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IKEv1 crypto policy 120
preshared authentication
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sha hash
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IKEv1 crypto policy 140
authentication rsa - sig
the Encryption
sha hash
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IKEv1 crypto policy 150
preshared authentication
the Encryption
sha hash
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Telnet 192.168.202.0 255.255.255.0 inside
Telnet timeout 5
SSH 192.168.202.0 255.255.255.0 inside
SSH 192.168.200.0 255.255.255.0 inside
SSH 0.0.0.0 0.0.0.0 outdoors
SSH timeout 15
SSH group dh-Group1-sha1 key exchange
Console timeout 0
management-access inside
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
internal group vpntunnel strategy
Group vpntunnel policy attributes
Ikev1 VPN-tunnel-Protocol
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list vpntunnel_splitTunnelAcl
field default value green.com
internal vpntunnell group policy
attributes of the strategy of group vpntunnell
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value of Split-tunnel-network-list gbnlvpntunnell_splitTunnelAcl
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Green user name encrypted BoEFKkDtbnX5Uy1Q privilege 15 password
attributes of user name THE
VPN-group-policy gbnlvpn
tunnel-group vpntunnel type remote access
tunnel-group vpntunnel General attributes
address VPNPOOL pool
strategy-group-by default vpntunnel
tunnel-group vpntunnel ipsec-attributes
IKEv1 pre-shared-key *.
type tunnel-group vpntunnell remote access
tunnel-group vpntunnell General-attributes
address VPNPOOL2 pool
Group Policy - by default-vpntunnell
vpntunnell group of tunnel ipsec-attributes
IKEv1 pre-shared-key *.
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class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns migrated_dns_map_1
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the migrated_dns_map_1 dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
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!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
call-home
Profile of CiscoTAC-1
no active account
http https://tools.cisco.com/its/service/oddce/services/DDCEService destination address
email address of destination [email protected] / * /
destination-mode http transport
Subscribe to alert-group diagnosis
Subscribe to alert-group environment
Subscribe to alert-group monthly periodic inventory
monthly periodicals to subscribe to alert-group configuration
daily periodic subscribe to alert-group telemetry
Cryptochecksum:7c1b1373bf2e2c56289b51b8dccaa565
Hello
1 - Please run these commands:
"crypto isakmp nat-traversal 30.
"crypto than dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 Road opposite value.
The main issue here is that you have two roads floating and outside it has a better than backup metric, that's why I added the command 'reverse-road '.
Please let me know.
Thank you.
-
The VPN client VPN connection behind other PIX PIX
I have the following problem:
I wanted to establish the VPN connection the client VPN to PIX on GPRS / 3G, but I didn t have a bit of luck with PIX IOS version 6.2 (2).
So I upgraded PIX to 6.3 (4) to use NAT - T and VPN client to version 4.0.5
I have configured PIX with NAT-T(isakmp nat-traversal 20), but I still had a chance, he would not go through the 1st phase. As soon as I took nat-traversal isakmp off he started working, and we can connect to our servers.
Now, I want to connect to the VPN client behind PIX to our customer PIX network. VPN connection implements without problem, but we can not access the servers. If I configure NAT - T on the two PIX, or only on the customer PIX or only on our PIX, no VPN connection at all.
If I have to connect VPN client behind PIX to the customer's network and you try to PING DNS server for example, on our PIX, I have following error:
305006: failed to create of portmap for domestic 50 CBC protocol translation: dst outside:194.x.x.x 10.10.1.x
194.x.x.x is our customer s address IP PIX
I understand that somewhere access list is missing, but I can not understand.
Of course, I can configure VPN site to site, but we have few customers and take us over their servers, so it'd just connect behind PIX VPN and client connection s server, instead of the first dial-in and then establish a VPN connection.
Can you please help me?
Thank you in advan
The following is extracted from ASK THE DISCUSSION FORUM of EXPERTS with Glenn Fullage of Cisco.
I've cut and pasted here for you to read, I think that the problem mentioned below:
Question:
Hi Glenn,.
Following is possible?
I have the vpn client on my PC, my LAN is protected by a pix. I can launch the vpn client to connect to remote pix. Authenticates the vpn client and the remote pix makes my PC with the assigned ip appropriate to its pool of ip address.
The problem that I am facing is that I can not anything across the pix remote ping from my PC which is behind my pix. Can you please guide me what I have to do to make this work, if it is possible?
My PC has a static ip address assigned with the default gateway appropriate pointing to my s pix inside interface.
Thank you very much for any help provided in advance.
Response from Glenn:
First of all, make sure that the VPN connection works correctly when the remote PC is NOT behind a PIX. If that works fine, but then breaks when put behind a PIX, it is probably that the PIX is PAT, which usually breaks IPSec. Add the following command on your PIX VPN client is behind:
fixup protocol esp-ike
See http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/cmdref/df.htm#wp1067379 for more details.
If it still has issues, you can turn on NAT - T on the remote PIX that ends the VPN, the client and the remote PIX must encapsulate then all IPSec in UDP packets that your PIX will be able to PA correctly. Add the following command on the remote PIX:
ISAKMP nat-traversal
See http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/cmdref/gl.htm#wp1027312 for more details.
NAT - T is a standard for the encapsulation of the UDP packets inot IETF IPSec packets.
ESP IPSec (Protocol that use your encrypted data packets) is an IP Protocol, it is located just above IP, rather than being a TCP or UDP protocol. For this reason, it has no TCP/UDP port number.
A lot of features that make the translation of address of Port (PAT) rely on a single to PAT TCP/UDP source port number ' ing. Because all traffic is PAT would be at the same source address, must be certain uniqueness to each of its sessions, and most devices use the port number TCP/UDP source for this. Because IPSec doesn't have one, many features PAT fail to PAT it properly or at all, and the data transfer fails.
NAT - T is enabled on both devices of the range, they will determine during the construction of the tunnel there is a PAT/NAT device between them, and if they detect that there is, they automatically encapsulate every IPSec packets in UDP packets with a port number of 4500. Because there is now a port number, PAT devices are able to PAT it correctly and the traffic goes normally.
Hope that helps.
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Connected to the Internet of VPN remote access VPN clients
Greetings,
I need to remote VPN clients to connect to the Internet from the same server VPN ASA
"client connects to ASA the external interface VPN tunnel can access Internet from the same external interface ASA new."
Thank you
you need to configure "same-security-traffic permit intra-interface" on the SAA.
Also, need to configure the relevant statements of nat for your range of pool of customers.
i.e.
Global 1 interface (outside)
NAT (outside) 1 access-list anyconnectacl
where anyconnectacl is the pool for your customers:
permit ip 172.16.1.0 access list anyconnectacl 255.255.255.0 any
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IP address connection sets using the VPN Client
Hello world. I'm using a VPN Client when I establish a VPN Tunnel with a 1600 router, and I have a question.
Can I assign a fixed IP address in the client, instead the router send to random addresses from customer?
What I would he do this?
It would be in the configuration of the VPN client, or in the configuration of the router?
If so, I'm doing this?
Do I need another tool, or other software or hardware to do?
any help is hope...
Thank you...
Hello
I don't think that there is a simple way to do this.
However, if you create a different groupname for the user who needs a static IP address, I think you should be good to go
So what you need to do, create a new pool of addresses. Make the start and end ip address be the same (this is the address to which you want to assign to the VPN user)
Configure another ipsec on the router group and bind the new pool to this group
Ask your VPN client to connect to this group
Hope that helps
Jean Marc
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Using Cisco VPN Client in Windows 7 Professional 64 bit
Hi all!
I need to use Cisco VPN Client to connect to my server in the company, because my company uses lotus notes Server, I have to connect Cisco VPN to access e-mail. But now my windows version is Windows 7 Pro 64 bits that cannot directly install this application, I already installed XP Mode and creatde shortcut to Windows 7, I plugged the Cisco VPN to my Cisco VPN server, but I can not access the server, Pls help me and show me how to solve this problemOpen the XP VM itself, do not use the shortcut that was published in
the W7 boot menu. You need to install Outlook / your email client
Inside the virtual machine, as well as on the side of W7. You can point to the same
PST files if you have local PST files, but you just can't open them in
at the same time of W7 and XP VM.There is no way to bridge using the shortcut of publishing app
Some people have reported success with the third party IPSec
replacements as customer universal shrew or the NCP. Your IT Department.
would like to know if these are supported:
> Hello all! I need to use Cisco VPN Client to connect to my server in the company, because my company uses lotus notes Server, I have to connect Cisco VPN to access e-mail. But now my windows version is Windows 7 Pro 64 bits that cannot directly install this application, I already installed XP Mode and creatde shortcut to Windows 7, I plugged the Cisco VPN to my Cisco VPN server, but I can not access the server, Pls help me and show me how to solve this problem
Barb Bowman www.digitalmediaphile.com -
Hello
Im trying to set up my friends firewall to accept connections vpn client software to remote sites. I applied a configuration to a previous case, I did, but this time, when the client tries to connect, it comes to the point of "Securing communications channel" and goes no further. Ive attached the configuration of the pix and some debug and show the result of the command.
Also, if I wanted to limit the remote client using only the port to a single server, how I would approach this? In my case, I don't want to give the customer access to a single server on the DMZ with the port 25.
Thank you.
To limit access to only specific server and client vpn port, follow these steps:
1 allow customer traffic ipsec should be handled by an acl applied to the external interface by running this command in global configuration mode:
No ipsec sysopt connection permit
2. add these statements to acl 2, which is applied to the external interface:
access-list 2 permit tcp 172.16.1.0 255.255.255.0 host x eq 25
Notes:
ACL 2 has an explicit deny ip everything no matter which line which should be removed and added back after all the acl changes are made, otherwise he would block want you want to allow.
You may need to enable vpn clients to connect to your dns or wins servers too, unless they will respond to your e-mail address in server ip instead of the host name.
Which version of the client vpn do you use and what OS it runs? You may need to add an isakmp policy which has a duration of less than 86400 seconds to get the client to connect.
Let me know what you find.
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Using VPN Client coming out behind a PIX
As I understand it, a PIX can operate as a VPN endpoint for IPsec tunnels, or allow IPsec traffic to pass to the other endpoints behind him; My PIX is an end point, but there are a few users who wish to use the VPN Client to connect to outside points beyond the firewall.
Is it possible to configure a PIX to two pass through IPsec traffic AND be an endpoint?
On a related note, two customer software VPN hosts can connect to each other?
Thank you
Marc
My pix company does exactly what you posted, there is lan - lan vpn, and we again establish vpn to other companies via a software vpn client.
concerning the transmission of described video, it should not need additional acl or configuration assuming that there is no acl on the pix. a question must be noticed is that the other end (i.e. the end point of the remote vpn client) needs to nat-traversal since the local pix usually perform nat/pat.
However, the vpn directly between two clients is not feasible as its name suggests (they are the two client).
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