ASA: S2S Tunnel stops with higher traffic
Hello
I have no idea where I have to start solving our problem:
Site A: ASA 5520/9.2 (4) 5 ~ 20 IPsec tunnels
Site b: ASA 5505/9.2 (4) 5
When I do a SSH (or HTTP or any other TCP) session from Site A to any Linux on Site B server, I can connect, but when I do something as a "dmesg" or long "ls - al", the session hooked after 10 to 20 lines. Also HTTP sessions (as a site to set up a printer), smaller Web sites are okay (but slow), more big sites stops with a browser timeout.
This only happens on one site, all other sites work very well (which have the same config, same OS ASA).
Just to test, I opened the ssh port to the external IP address on the external interface and it works very well, as well as with the traffic through the tunnel going something wrong.
Any idea, where do I start debugging?
Gruss ivo
PS: How is stupid cloudflare, they check this text and do not allow to write the ls command linux less al, but ls space space space less al works!
You can twist on the SAA mss using this doc and empty the outside df bit as well. Follow the steps described in the section "VPN encryption error."
Crypto ipsec df - bit clear-df outdoors
Let us know how it rates.
Kind regards
Dinesh Moudgil
PS Please rate helpful messages.
Tags: Cisco Security
Similar Questions
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Client VPN und Cisco asa 5505 tunnel work but no traffic
Hi all
I am new to this forum and Don t have a lot of experience with Cisco, so I hope I can get help from specialists.
I have the following problem:
I installed und konfigured ASA 5505 for use with vpn client. I would like to access the local network from outside through vpn.
To test, I installed ASA 5505 with ADSL (pppoe) and tried to give access to the internal network.
Of course whenever I have recive the supplier's different IP address, but it didn't is not a problem reconfigure in the vpn client.
After the connection is established (vpn tunnel work) I can see my external network packets. But I Don t have any connection to the internal network.
I erased my setup yesterday and tried to reconfigure ASA again. I didn t tested yesterday, because it was too late. And I know that I Don t have the authorization rule at present by the ACL. But I think I'm having the same problem again. (tunnel but no traffic).
What I did wrong. Could someone let me know what I have to do today.
With hope for your help Dimitri.
ASA configuration after reset and basic configuration: works to the Internet from within the course.
: Saved
: Written by enable_15 to the CEDT 20:29:18.909 Sunday, August 29, 2010
!
ASA Version 8.2 (2)
!
ciscoasa hostname
activate 2KFQnbNIdI.2KYOU encrypted password
2KFQnbNIdI.2KYOU encrypted passwd
names of
!
interface Vlan1
nameif inside
security-level 100
IP 192.168.1.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
PPPoE client vpdn group home
IP address pppoe setroute
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
boot system Disk0: / asa822 - k8.bin
passive FTP mode
clock timezone THATS 1
clock to summer time CEDT recurring last Sun Mar 02:00 last Sun Oct 03:00
DNS domain-lookup outside
DNS server-group DefaultDNS
Server name 194.25.0.60
Server name 194.25.0.68
DM_INLINE_TCP_1 tcp service object-group
port-object eq www
EQ object of the https port
inside_access_in list extended access permitted udp 192.168.1.0 255.255.255.0 no matter what eq field open a debug session
inside_access_in list extended access permitted tcp 192.168.1.0 255.255.255.0 any object-group DM_INLINE_TCP_1 open a debug session
inside_access_in list extended access deny ip any any debug log
inside_nat0_outbound to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.0.0 255.255.0.0
permit inside_nat0_outbound to access extended list ip 192.168.10.0 255.255.255.0 192.168.10.0 255.255.255.128
homegroup_splitTunnelAcl list standard access allowed 192.168.10.0 255.255.255.0
pager lines 24
Enable logging
asdm of logging of information
Outside 1500 MTU
Within 1500 MTU
IP local pool homepool 192.168.10.1 - 192.168.10.100 mask 255.255.255.0
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm-625 - 53.bin
ASDM location 192.168.0.0 255.255.0.0 inside
ASDM location 192.168.10.0 255.255.255.0 inside
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0-list of access inside_nat0_outbound
NAT (inside) 1 0.0.0.0 0.0.0.0
inside_access_in access to the interface inside group
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
http 192.168.1.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
outside_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
VPDN group home request dialout pppoe
VPDN group House localname 04152886790
VPDN group House ppp authentication PAP
VPDN username 04152886790 password 1
dhcpd outside auto_config
!
dhcpd address 192.168.1.5 - 192.168.1.36 inside
dhcpd allow inside
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
TFTP server 192.168.1.5 inside c:/tftp-root
WebVPN
Group Policy inner residential group
attributes of the strategy of group home group
value of 192.168.1.1 DNS server
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list homegroup_splitTunnelAcl
username user01 encrypted password privilege 0 v5P40l1UGvtJa7Nn
user01 username attributes
VPN-strategy group home group
tunnel-group home group type remote access
attributes global-tunnel-group home group
address homepool pool
Group Policy - by default-homegroup
tunnel-group group residential ipsec-attributes
pre-shared-key ciscotest
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the preset_dns_map 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
Review the ip options
!
global service-policy global_policy
context of prompt hostname
Cryptochecksum:930e6cddf25838e47ef9633dc2f07acb
: end
Hello
Normally, you want a static public IP address on the ASA to allow it to receive connections from VPN clients (avoid to change the IP address all the time).
If you connect via VPN, check the following:
1. the tunnel is established:
HS cry isa his
Must say QM_IDLE or MM_ACTIVE
2 traffic is flowing (encrypted/decrypted):
HS cry ips its
3. Enter the command:
management-access inside
And check if you can PING the inside ASA VPN client IP.
4. check that the default gateway for the LAN internal ASA within intellectual property (or there is a road to the ASA to send traffic to the VPN clients).
Federico.
-
ASA L2L VPN UP with incoming traffic
Hello
I need help with this one, I have two identical VPN tunnel with two different customers who need access to one of our internal server, one of them (customer) works well, but the other (CustomerB) I can only see traffic from the remote peer (ok, RX but no TX). I put a sniffer on ports where the ASA and the server are connected and saw that traffic is to reach the server and traffic to reach the ASA of the server then nothing...
See the result of sh crypto ipsec his below and part of the config for both clients
------------------
address:
local peer 100.100.100.178
local network 10.10.10.0 / 24
local server they need access to the 10.10.10.10
Customer counterpart remote 200.200.200.200
Customer remote network 172.16.200.0 / 20
CustomerB peer remote 160.160.143.4
CustomerB remote network 10.15.160.0 / 21
---------------------------
Output of the command: "SH crypto ipsec its peer 160.160.143.4 det".
address of the peers: 160.160.143.4
Tag crypto map: outside_map, seq num: 3, local addr: 100.100.100.178outside_cryptomap list of allowed access host ip 10.10.10.10 10.15.160.0 255.255.248.0
local ident (addr, mask, prot, port): (10.10.10.10/255.255.255.255/0/0)
Remote ident (addr, mask, prot, port): (10.15.160.0/255.255.248.0/0/0)
current_peer: 160.160.143.4#pkts program: encrypt 0, #pkts: 0, #pkts digest: 0
#pkts decaps: 827, #pkts decrypt: 827, #pkts check: 827
compressed #pkts: 0, unzipped #pkts: 0
#pkts uncompressed: 0, comp #pkts failed: 0, #pkts Dang failed: 0
success #frag before: 0, failures before #frag: 0, #fragments created: 0
Sent #PMTUs: 0, #PMTUs rcvd: 0, reassembly: 20th century / of frgs #decapsulated: 0
#pkts not his (send): 0, invalid #pkts his (RRs): 0
#pkts program failed (send): 0, #pkts decaps failed (RRs): 0
#pkts invalid prot (RRs): 0, #pkts check failed: 0
invalid identity #pkts (RRs): 0, #pkts invalid len (RRs): 0
#pkts incorrect key (RRs): 0,
#pkts invalid ip version (RRs): 0,
replay reversal (send) #pkts: 0, #pkts replay reversal (RRs): 0
#pkts replay failed (RRs): 0
#pkts min frag mtu failed (send): bad frag offset 0, #pkts (RRs): 0
#pkts internal err (send): 0, #pkts internal err (RRs): 0local crypto endpt. : 100.100.100.178, remote Start crypto. : 160.160.143.4
Path mtu 1500, fresh ipsec generals 58, media, mtu 1500
current outbound SPI: C2AC8AAESAS of the esp on arrival:
SPI: 0xD88DC8A9 (3633170601)
transform: esp-3des esp-md5-hmac no compression
running parameters = {L2L, Tunnel}
slot: 0, id_conn: 5517312, crypto-card: outside_map
calendar of his: service life remaining (KB/s) key: (4373959/20144)
Size IV: 8 bytes
support for replay detection: Y
Anti-replay bitmap:
0xFFFFFFFF to 0xFFFFFFFF
outgoing esp sas:
SPI: 0xC2AC8AAE (3266087598)
transform: esp-3des esp-md5-hmac no compression
running parameters = {L2L, Tunnel}
slot: 0, id_conn: 5517312, crypto-card: outside_map
calendar of his: service life remaining (KB/s) key: (4374000/20144)
Size IV: 8 bytes
support for replay detection: Y
Anti-replay bitmap:
0x00000000 0x00000001-The configuration framework
ASA Version 8.2 (1)
!
172.16.200.0 customer name
name 10.15.160.0 CustomerB
!
interface Ethernet0/0
nameif outside
security-level 0
IP 100.100.100.178 255.255.255.240
!
interface Ethernet0/1
nameif inside
security-level 100
10.10.10.0 IP address 255.255.255.0
!
outside_1_cryptomap list extended access allowed host ip 10.10.10.10 customer 255.255.240.0
inside_nat0_outbound_1 list extended access allowed host ip 10.10.10.10 customer 255.255.240.0
inside_nat0_outbound_1 list extended access allowed host ip 10.10.10.10 CustomerB 255.255.248.0
outside_cryptomap list extended access allowed host ip 10.10.10.10 CustomerB 255.255.248.0
NAT-control
Overall 101 (external) interface
NAT (inside) 0-list of access inside_nat0_outbound_1
NAT (inside) 101 0.0.0.0 0.0.0.0
Route outside 0.0.0.0 0.0.0.0 100.100.100.177
Route inside 10.10.10.0 255.255.255.0 10.10.10.254 1
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
card crypto outside_map 1 match address outside_1_cryptomap
card crypto outside_map 1 set pfs
peer set card crypto outside_map 1 200.200.200.200
card crypto outside_map 1 set of transformation-ESP-3DES-SHA
card crypto outside_map 3 match address outside_cryptomap
peer set card crypto outside_map 3 160.160.143.4
card crypto outside_map 3 game of transformation-ESP-3DES-MD5
outside_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
md5 hash
Group 2
life 86400
crypto ISAKMP policy 20
preshared authentication
3des encryption
sha hash
Group 2
life 86400
crypto ISAKMP ipsec-over-tcp port 10000
attributes of Group Policy DfltGrpPolicy
Protocol-tunnel-VPN IPSec svc
internal customer group strategy
Customer group policy attributes
Protocol-tunnel-VPN IPSec svc
internal CustomerB group strategy
attributes of Group Policy CustomerB
Protocol-tunnel-VPN IPSec
tunnel-group 160.160.143.4 type ipsec-l2l
tunnel-group 160.160.143.4 General-attributes
Group Policy - by default-CustomerB
IPSec-attributes tunnel-group 160.160.143.4
pre-shared key xxx
tunnel-group 200.200.200.200 type ipsec-l2l
tunnel-group 200.200.200.200 General attributes
Customer by default-group-policy
IPSec-attributes tunnel-group 200.200.200.200
pre-shared key yyy
Thank you
A.
Hello
It seems that the ASA is not Encrypting traffic to the second peer (However there is no problem of routing).
I saw this 7.x code behaviors not on code 8.x
However you can do a test?
You can change the order of cryptographic cards?
card crypto outside_map 1 match address outside_cryptomap
peer set card crypto outside_map 1 160.160.143.4
map outside_map 1 set of transformation-ESP-3DES-MD5 crypto
card crypto outside_map 3 match address outside_1_cryptomap
card crypto outside_map 3 set pfs
peer set card crypto outside_map 3 200.200.200.200
card crypto outside_map 3 game of transformation-ESP-3DES-SHA
I just want to see if by setting the peer nonworking time to be the first, it works...
I know it should work the way you have it, I just want to see if this is the same behavior I've seen.
Thank you.
Federico.
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The issue of licenses for images on Web sites with high traffic.
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I am new to Adobe Stock and interested to use it for projects that we are currently developing on an ongoing basis. Today we have signed up to CC too and you want to take advantage of 10 images per month with inclusive membership.
One of the sites we develop may have a large amount of traffic to it. We would like to clarify the term "broadcasting", which is indicated in the license?
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The above apply to the views of the web page at all? Or is it limited to traditional broadcasting?
If the "broadcasting" includes page views...
N ' he likens to the 500,000 unique website visitors watching the page at the same time, or total unique visitors looking at the image over a certain period of time?
OR
N ' it is equivalent to 500,000 pages views, which could be generated by a much smaller audience of unique site visitors?
I would appreciate it if this could be clarified.
Thank you
The term diffusion refers to total unique web page views by visitors.
For more details, please contact customer service
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Hello
The problem:
Our technology smart tunnel doesn't seem to be forward traffic to our new customer from the view. I wonder what kind of configuration changes must be considered to enable such a connection. The error returned when searching for the host name goes in the direction of the hostname not found. Error finding of intellectual property is related to the time-out.
Background information and specifications:
We are in the process of upgrading our servers from 5.2 to 6.2 connection. As part of the upgrade, we want to improve our customers for the Horizon to use version 3.5.0. To make it easier on vendors and remote computers we prefer also to our Horizon View Client with ThinApp 4.7.3 ThinApp. We currently have a Cisco ASA, supporting a SSL VPN portal with "Smart Tunnel" technology. The ASA is currently on firmware 9.3.3 in production, but we have access to version 9.5 in test.
Preferred connection scenario:
User > PC > VMware View Client (ThinApp would be) > Cisco ASA Smart Tunnel > view connection server > Virtual Office
.exe running on the client to view ThinApp:
It seems the ThinApp Client version view is only launching VMware - view.exe.
.exe running from the customer view full/thickness:
VMware - view.exe
-ftnlsv.exe
-vmwsprrdpwks.exe
-ftscanmgr.exe
There is something else to consider when the view client configuration ThinApp or thickness to work with Cisco SSL VPN Portal and the Smart Tunnel? We should have ports configured in the client in connection with the same view Firewall works with SSL VPN Portal port redirector functionality.
We have not been able to find any documentation on how to properly configure the smart to work with the New Horizon 3.5.2 client Tunnel. A ticket of troubleshooting with Cisco suggests that the Smart Tunnel feature still perhaps not compatible with this new Horizon (thin or thick) client. Currently, we are looking at other options because it is not not clear whether Cisco will be able to get us the confirmation or offer a solution without delay of our project to upgrade. Maybe stick to the previous VMware View Client version 5.4.0 which we know work with Smart Tunnel in some situations and with the redirector port for others.
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Some IPSec sessions associated with tunnel stop working
Hello
Since I left an IPSec tunnel a router IOS to a Version running 3020 4.1.7.E there was a strange situation with a tunnel to a VPN Checkpoint 4.1: Tunnel get no problem but various IPSec sessions disappear with the only way to reset the being of "disconnection" (dixit the Sessions ' administer') whole tunnel can discuss again with interesting traffic. Example:
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All the world faced a similar situation?
I can't restrict logging to a counterpart to activate useful debugging - we have a number of LAN-to-LAN tunnels and quite a few customers. Can someone help me in this respect?
I do not give the Checkpoint but can pass on ideas to those that do, if anyone has any.
If I need to provide more information tell me what you need.
Thanks for any help you can provide.
Visit www.cisco.com/techsupport/ and select the security and vpn, check for troubleshooting for this document.
-
VPN tunnel stopped sending traffic
Hello
One of our VPN tunnels ceased to send traffic... Is there a way where we can reset the tunnel again because I know that there is no change in config on the tunnel
THX
Shyam
Hi Shyam,
To clear the tunnel, you can make one:
PIX:
clear the isa cry his
delete the ipsec cry his
IOS:
cry clear isa
Claire crying its
HTH,
Rate if this helped!
-Kanishka
-
PIX stops passing all traffic at the entrance to command crypto
I have a strange problem with a PIX 515 6.1 (2).
I have 3 VPN tunnels already implemented. While trying to set up a 4th the PIX stops passing all traffic. He arrives precisely when I enter ANY command "crypto map.
cancellation of the order by using "no card crypto...". ' or "clear xlate" is no help either. The PIX must be restarted before the traffic going on again. The CPU usage drops to zero and my telnet for the PIX session remains connected.
Anyone have any ideas?
I put the relevant configuration below:
172.50.0.0 IP Access-list sheep 255.255.0.0 allow 192.168.0.0 255.255.0.0
172.50.0.0 IP Access-list sheep 255.255.0.0 allow 10.0.0.0 255.0.0.0
acl_vpn1 ip 172.50.0.0 access list allow 255.255.255.0 192.168.0.0 255.255.0.0
acl_vpn2 ip 172.50.0.0 access list allow 255.255.255.0 10.0.0.0 255.255.255.0
acl_vpn3 ip 172.50.0.0 access list allow 255.255.255.0 10.50.0.0 255.255.255.0
NAT (inside) 0 access-list sheep
Permitted connection ipsec sysopt
No sysopt route dnat
Crypto ipsec transform-set esp - esp-md5-hmac support
toVPNs 10 ipsec-isakmp crypto map
card crypto toVPNs 10 correspondence address acl_vpn1
card crypto toVPNs 10 peers set 1xx.xxx.xxx.xxx
support toVPNs 10 transform-set card crypto
toVPNs 12 ipsec-isakmp crypto map
card crypto toVPNs 12 match address acl_vpn2
card crypto toVPNs 12 peers set 2xx.xxx.xxx.xxx
support toVPNs 12 transform-set card crypto
toVPNs 14 ipsec-isakmp crypto map
card crypto toVPNs 14 correspondence address acl_vpn3
card crypto toVPNs 14 peers set 3xx.xxx.xxx.xxx
support toVPNs 14 transform-set card crypto
toVPNs interface card crypto outside
ISAKMP allows outside
ISAKMP key * address 1xx.xxx.xxx.xxx netmask 255.255.255.255
ISAKMP key * address 2xx.xxx.xxx.xxx netmask 255.255.255.255
ISAKMP key * address 3xx.xxx.xxx.xxx netmask 255.255.255.255
part of pre authentication ISAKMP policy 1
of ISAKMP policy 1 encryption
ISAKMP policy 1 md5 hash
1 1 ISAKMP policy group
ISAKMP policy 1 life 43200
Hi Ishaq,
Please make sure you remove the card "Crypto" off the coast of the Interface by doing a ' no card crypto toVPNs no interface out ' and then add the necessary commands before reconnecting the Crypto map. Usually when we add a new command "toVPNs xx ipsec-isakmp crypto map" without removing the Crypto Card it starts encrypt all traffic passing through the PIX. After you make the required changes, reapply card Cryptography.
Hope this helps,
Kind regards
Abdelouahed
-=-=-
-
Remote host IP SLA ping by tunnel VPN with NAT
Hi all
I did some research here, but don't drop on similar issues. I'm sure that what I want is not possible, but I want to make sure.
I want to monitor a remote host on the other side a VPN. The local endpoint is my ASA.
The local INSIDE_LAN traffic is NATted to 10.19.124.1 before entering the VPN tunnel.
Interesting VPN traffic used ACL card crypto:
access-list 1 permit line ACL_TUNNELED_TO_REMOTE extended ip host 10.19.124.1 192.168.1.0 255.255.255.0
NAT rules:
Global (OUTSIDE) 2 10.19.124.1 mask 255.255.255.255 subnet
NAT (INSIDE_LAN) 2-list of access ACL_NAT_TO_REMOTE
NAT ACL
access-list 1 permit line ACL_NAT_TO_REMOTE extended ip 172.19.126.32 255.255.255.224 192.168.1.0 255.255.255.0
This configuration works very well for traffic from hosts in 172.19.126.32 255.255.255.224 is 192.168.1.0 255.255.255.0.
However, I like to use "ip sla" on the SAA itself to monitor a remote host with icmp ping 192.168.1.0. This would imply NATting one IP on the ASA to 10.19.124.1, but I do not see how to do this. None of the interfaces on the SAA are logical, to use as a source for this interface.
Thanks for ideas and comments.
Concerning
You are absolutely right, that unfortunately you won't able to NAT interface ASA IP address. NAT works for traffic passing by the ASA, don't not came from the SAA itself.
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How to install Win XP on PC with intel i3 processoe running win7
HelloI'm working with a legacy system. My programs to work with Windows XP and more excellent only.Now, one day I can not PC with Windows XP we have windows 7 to house high-end system running on the desktop computer intel i3 processor.I am trying to install windows XP Professional. Installation stops with error "0x0000007b".The new PC with SATA HDD and CD ROM, I was told that windows XP Setup has no support for SATA drives, at the same time if I want to install the drivers, that it seems that for the floppy drive. Thus, it is difficult to install the drives.Also when I spoke to Dell Tech support person, he said I can't install Windows XP on the Intel i3 processor. I don't think, but I will this differ from expert.Can someone help?Hi Steve,.
You can follow this link & check if the problem persists:
Error message "STOP 0x0000007B" when you restart your Windows XP-based computer
Reference: Advanced troubleshooting of errors "Stop 0x0000007B" in Windows XPIf the problem persists, please ask your question in the TechNet forums for assistance.
Hope the helps of information.
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protection tunnels works with the mode of transport only?
Anyone know why protection tunnel works with the mode of transport only? If I change to tunnel mode, it stops working immediately.
Thank you
That's because Tunnel mode creates a new IP header that is modified when is coordinated, when the remote peer receives this new header which is concerned the Security numbers do not match what it generated. Using transport mode retains the original header and only encapsulates the payload.
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ASA to Juniper VPN with policy NAT
I'm trying to configure a VPN tunnel between a remote site 66.18.106.160/27 and my network 192.168.190.0/24 client. I need NAT all traffic leaving 192.168.190.0/24 to 192.168.191.0/24.
Here is my current config:
xxxxx host name
domain xxxxx.local
enable the encrypted password xxxxx
XXXXX encrypted passwd
names of
!
interface Vlan1
nameif inside
security-level 100
IP 192.168.190.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
IP 207.98.218.26 255.255.255.248
!
interface Vlan3
prior to interface Vlan1
nameif DMZ
security-level 50
IP 192.168.100.1 address 255.255.255.0
!
interface Vlan12
description of interface vlan2 backup
nameif CharterBackup
security-level 0
IP 72.14.9.50 255.255.255.248
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
switchport access vlan 12
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
switchport access vlan 3
!
interface Ethernet0/7
switchport access vlan 3
!
passive FTP mode
DNS server-group DefaultDNS
domain xxxxx.local
access-list extended 110 permit ip 192.168.190.0 255.255.255.0 192.168.10.0 255.255.255.0
access-list extended 110 permit ip 192.168.190.0 255.255.255.0 66.18.106.160 255.255.255.224
access-list extended 110 permit ip 192.168.191.0 255.255.255.0 66.18.106.160 255.255.255.224
access-list extended 100 permit tcp any host 207.98.218.27 eq 3389
access-list extended 100 permit tcp any host 207.98.218.28 eq 3389
access-list extended 100 permit tcp any host 207.98.218.27 eq 9000
access-list extended 100 permit tcp any host 207.98.218.27 eq 9001
access-list extended 100 permit tcp any host 207.98.218.28 eq 9000
access-list extended 100 permit tcp any host 207.98.218.28 eq 9001
access-list standard split allow 192.168.190.0 255.255.255.0
Access extensive list ip 192.168.190.0 POLICYNAT allow 255.255.255.0 66.18.106.160 255.255.255.224
extended VPN ip 192.168.191.0 access list allow 255.255.255.0 66.18.106.160 255.255.255.224
pager lines 24
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
MTU 1500 DMZ
MTU 1500 CharterBackup
IP local pool vpnpool 192.168.10.75 - 192.168.10.85
no failover
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 524.bin
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
Global interface (CharterBackup) 1
NAT (inside) - 0 110 access list
NAT (inside) 1 0.0.0.0 0.0.0.0
NAT (DMZ) 1 0.0.0.0 0.0.0.0
public static 192.168.191.0 (inside, outside) - POLICYNAT access list
Access-group 100 in external interface
Route outside 0.0.0.0 0.0.0.0 207.98.218.25 1 track 1
Route 0.0.0.0 CharterBackup 0.0.0.0 71.14.9.49 254
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
Enable http server
http 192.168.190.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
monitor SLA 123
type echo protocol ipIcmpEcho 4.2.2.2 outside interface
timeout of 1000
frequency 3
Annex ALS life monitor 123 to always start-time now
Crypto ipsec transform-set esp - esp-md5-hmac romanset
Crypto ipsec transform-set esp-aes - AES-128-SHA esp-sha-hmac
Crypto-map dynamic dynmap 10 transform-set romanset
romanmap card crypto 10 corresponds to the VPN address
peer set card crypto romanmap 10 66.18.99.68
card crypto romanmap 10 game of transformation-AES-128-SHA
map romanmap 65535-isakmp ipsec crypto dynamic dynmap
romanmap interface card crypto outside
crypto isakmp identity address
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
the Encryption
md5 hash
Group 2
life 86400
crypto ISAKMP policy 20
preshared authentication
aes encryption
sha hash
Group 2
life 86400
!
track 1 rtr 123 accessibility
Telnet 0.0.0.0 0.0.0.0 inside
Telnet timeout 5
SSH 0.0.0.0 0.0.0.0 outdoors
SSH 0.0.0.0 0.0.0.0 CharterBackup
SSH timeout 5
Console timeout 0
management-access inside
dhcpd dns 8.8.8.8
dhcpd outside auto_config
!
dhcpd address 192.168.100.100 - DMZ 192.168.100.130
dhcpd enable DMZ
!internal group xxxxx policy
attributes of the strategy group xxxxx
value of server WINS 192.168.190.3
value of server DNS 192.168.190.3
Split-tunnel-policy tunnelspecified
Split-tunnel-network-list value split
tunnel-group xxxxx type ipsec-ra
tunnel-group xxxxx General attributes
address vpnpool pool
Group Policy - by default-romangroup
tunnel-group ipsec-attributes xxxxx
pre-shared-key *.
ISAKMP ikev1-user authentication no
tunnel-group 66.18.99.68 type ipsec-l2l
IPSec-attributes tunnel-group 66.18.99.68
pre-shared-key *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the preset_dns_map 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
!
global service-policy global_policy
context of prompt hostnameCurrently, traffic that originates on 192.168.190.0/24 generates no traffic phase 1. However, if the traffic is coming in FRO the side remote (66.18.106.160/27) the tunnel arrives, but no traffic passes.
Although this isn't my area of expertise, it seems to me that my ASA is not 'see' interesting traffic from 192.168.190.0/24 will 66.18.106.160/27.
Any help you could provide would be GREATLY appreciated.
Just remove the 2 following lines:
access-list extended 110 permit ip 192.168.190.0 255.255.255.0 66.18.106.160 255.255.255.224
access-list extended 110 permit ip 192.168.191.0 255.255.255.0 66.18.106.160 255.255.255.224
Then 'clear xlate '.
That should solve your problem.
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Firefox stop stop with question
Hello. When I stopped with the open web pages, Firefox produces a dialog box asking if I want to stop. Can I turn off this feature, as well as Firefox shutsdown Windows without asking. Under Firefox Windows 35.0 8. Thank you.
Firefox will take time to stop after leaving, because of tasks, it may need to complete.
I'm not a user of Windows 8, but probably the warning is generated by Windows 8 because there are still processes of Firefox running. Task Manager Windows would indicate if this is the case.
Have you tried to close Firefox by using the menu option
- USE: Button Menu-> stop {off icon) {(trois bar icône)}
and leaving a minute or two before closing Windows.
I think that compared to recent versions that Firefox may have had some problems with its closure, but probably, most have been corrected. Please don't post rules of conductin Bugzilla a workspace for developers is not a discussion forum but as potentially related to General information
- Bug 916078 - (AsyncShutdown) [meta] [stop Async] Make services asynchronous stop secure
In fact IIRC a few bug fix ensures that Firefox itself will be finally closed all its processes, but I can't seem to find this bug so I connected to one of the following bugs.
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Why has my connection AirPort Extreme recently stopped with my Tablet Android and Windows 7 laptop, but connects very well with all Apple devices?
What exact model of AirPort Extreme do you have? Either have your tablet or laptop Win7 been updated recently? They were both able to connect before and not now OR they were never able to connect? Can the laptop Win7 access Internet when connected by Ethernet? One of these devices have problems connecting to other networks Wi - Fi?
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Tecra M9 - freezes on Windows XP and 7 (with high rotation FAN)
We currently have 2 Tecra M9 the problem that is described here:
http://APS2.toshiba-tro.de/KB0/TSB0C032L0000R01.htm
This also happens on Windows XP 32-bit (Win 7 is a 64-Bit system) and each time with high rotation FAN, the solution written in the KB does not help because after uninstalling the fingerprint software, it still looks!
But we also have Tecra M9 machines where Windows XP and Windows 7 are running without this problem, a suggestion how to avoid this freezes?
* Edit *.
Today same problem with a Tecra A 9 (with Windows 7 64-bit)Post edited by: Abihsot01
Hey,.
All laptops have the same hardware configuration, or is it different?
I think that sounds like a hardware malfunction, so an authorized service provider can help you get rid of this.
Have you ever tried an update of the BIOS and load default settings?
Maybe you are looking for
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How to take a screenshot of Apple Watch?
I took accidentally a screenshot of my screen shows a few times now, but I don't know how it happened. The ideas people?
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With the help of blade to separate a clip causes a dumpster in video
I'm editing a travel video and I have a few questions for the use of FCPx: (1) I have a clip which has varied exhibition throughout the clip segment. To resolve this problem, I used the blade to cut the clip into two parts where the exhibitions are d
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A10 S103: memory upgrade
I have a Toshiba Satellite A10 S103 with 256 MB of ram and im currently going to be upgraded with more memory, I have 3 options to choose from, but don't know which one my computer supports, which is the best for my laptop? 1 Kingston 256 MB DDR PC21
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When I connect to Skype it locks all the icons on my desktop and task bar.
Original title: Skype locks my taskbar! Hello I hope someone can help me. When I connect to Skype it locks all the icons on my desktop and task bar. I tried to do a full uninstall and reinstall of Skype in accordance with their instructions. It did n
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BlackBerry Smartphones view attachments and other parts of noob questions
Hello I am completely new to blackberry and quite confusing. Let me apologize in advance, as it's long and this device is much more involved than anything I've had before. When I get an email with an attachment (in this case, I myself sent a .doc fi