Cisco Firewall :: SSH In ASA 5520 Not Working Even With All Configuration In It
May 3, 2013
I am having a wierd case, where in i have a 5520 and i am not able to ssh into that firewall. When did a capture on that firewall it shows my connection is getting reset as soon as i try to ssh into the box. Given below is the config for ssh into the firewall.
!
ssh 10.252.253.0 255.255.255.0 inside
ssh 10.114.255.240 255.255.255.255 inside
ssh 169.2.162.75 255.255.255.255 inside
[Code].....
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Oct 10, 2012
I must create a point-to-point vpn connection with two firewall cisco asa by using certificates. Do i have to buy 2 separate certificates or one is enough?
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Jul 13, 2011
My ASA confi are as follows. i cant to do use ASDM, HTTP, Telnet from my local interface and ip 192.168.0.46 &14.My ASDM is ok as i can connect other ASA. what mismatch here i cant understant.
hostname ciscoasa
enable password DtMryzGjBATmCElZ encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
dns-guard
[code]....
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Jan 27, 2013
I am trying to configure a server(192.168.5.50) in DMZ(192.168.5.0/24) to be able to communicate with a domain controller(10.5.44.220) in the inside network(10.5.44.0/24). I made some configuration using ASDM(not familiar with the CLI) but not working and it caused existing NAT not to work, for example RDP(TCP 3389) connection to 38.96.179.220
The things I am trying to achieve are
1. two way commucation between 192.168.5.50 in DMZ and 10.5.44.220 in Inside for SecureAuthPorts and SecureAuthOutbound service groups
2. NAT for 192.168.5.50 mapping 38.96.179.50 for the service groups mentioned above
3. NAT for other hosts already existing
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Apr 26, 2010
I am trying to setup email alert on our ASA 5520 so that i can receive emails to my exchange account below is the configuration [code] The smtp server is in our internal network.first i am not able to ping 172.17.1.12 as ping is blocked.i did this confgi like two days before..but ca see alerts and error messages through asdm but no mail is coming in.
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Oct 14, 2012
I have new ASA 5520 units currently we are using ASA 5510... I have to migrate all the configuration to the new ASA 5520 units....I am wondering is there a possible way to export and import certificates from ASA 5510 to 5520....
how to export or copy all the configurations, plug-ins, certificates from 5510 to 5520.Existing configuration snapshot...CA certificates from third party installed for authentication and identity certificate from Verisign
WebVPN
Anyconnect
Plug-ins
IPSEC tunnels
NAT
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Nov 15, 2011
On our cisco 3750 switches we can take config backups with the archive command. After every "write mem" it rights the config to our backup server. We would like to do this also for our asa 5520 with version 8.2(2). I also searched in the command reference guide, but I can't seem to find the proper command to do it.
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Jan 29, 2012
I am trying to configure multi context on the 5520 ASA , how can i configure 1 outside and 1 inside for the 2 context or how to configure both outside from the same subnet and insides also from the same subnet , i did the below configuration but didn't work . [code]
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Oct 16, 2012
I've gotten to the point where I can test against active directory and get in, also I can get AD groups from my server on the ASA. My problem, I can't connect in via my AnyConnect client on my Android. I immediately get a "log in failed" and I know I'm using the right username/pass. Doing a little troubleshooting, I have attached my AnyConnect debug log and the results of the "debug ldap 255" command on the ASA. Also, I've used ldp.exe to determine I can connect in with the username/password combo I'm using.Combing through the AnyConnect logs I see a few instances of "global error unexpected" but no Google searches have brought up anything useful.
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Jul 16, 2009
I have an issue with Cisco ASA 5520, The summary is below!
Packet # 1 on inside capture the Call-ID was: Call-ID: 2a54f680-
a5d1de2a-160c-164070a@10.7.100.1
Packet # 1 on outside interface the Call-ID was: Call-ID: 2a54f680-
a5d1de2a-160c-164070a@149.5.33.44 --- this bcz of the inspection.
Packet # 2 on outside capture the Call-ID was: Call-ID: 2a54f680-
a5d1de2a-160c-164070a@149.5.33.44
Packet # 2 on inside capture the Call-ID stay: Call-ID: 2a54f680-
a5d1de2a-160c-164070a@149.5.33.44 --- this is the problem.
(This suppose to be Call-ID: 2a54f680-a5d1de2a-160c-164070a@10.7.100.1)The inspection should change the Call-ID for the incoming packet as it did with the outgoing packet. Whenever, the CM receive the trying message with different Call-ID it considered as new session and it keep sending invitation messages for the SIP provider.NAT is enabled.
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Jan 11, 2012
I am getting the below messages in my cisco asa 5520, during this time tunnel is down. just what to check whether the problem is at remote FW or with asa
[code]...
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Oct 9, 2012
I am having a problem configuring a VPN connection from a 1721 router to an ASA5520. The router has already been configured, but I have been asked to setup the VPN.I think the issue is because they are using a Loop back interface (which I have never configured for before).
The "sh crypto isakmp sa" command shows:
dst src state conn-id status
5.6.7.8 1.2.3.4 QM_IDLE 4 ACTIVE
where 5.6.7.8 is the ip on Loopback0, 1.2.3.4 is remote peer ip. Pings to the remote network don't work.
Here is the (slightly edited) config of the 1721 :
Current configuration : 3838 bytes!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
[code]......
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Nov 2, 2012
We were using ASA-5520-K9 with ASA-SSM-AIP-20-K9 but recently found some hardware problem in our running ASA. Now cisco want to replace with ASA-5520-K8.
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Oct 16, 2012
My client is upgrading from anyconnect 2.5.2014 to 3.1.00495. The ASA is running ASA 5520 version 8.2(5)33 and is in an active/standby failover pair.when trying to push out the new 3.1 from the pair to windows 7 and XP machines, he gets the error "Failed to get configuration from secure gateway. Contact your system administrator". When he tries to push 2.5.2014 and 2.5.6005 out from the pair this works fine.When pushing the 3.1 out from a stand-alone test ASA 5520 it works fine.
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Dec 14, 2012
i have two internet links each of which from different ISP and different real ip addresses.Want to make the second backup internet work for Internal and external (AnyConnect) users.
my question: is that applicable to register single A record with different real ip addresses? and also is the AnyConnect method the best solution for them?
note: i have single firewall 5520 behind the cable modems.
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Dec 6, 2012
I recently configured WCCP with a Sophos Web Filter on my network it works good but the problem I am having is I have two 5520s so I am directing the device to look at 2 different IP addresses and since the devices are in an Active/Passive failover. The problem is because the second device is in a passive failover it is not responding which is throwing connection errors to my Sophos device. I know you can have a single management connection for the ASA's but is there a way to have a single IP for the ASAs for the WCCP?
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Apr 29, 2013
We have dns server(only Internal IP) inside our network, right now we have configured Remote Access VPN using Public IP and we connect it using the same Public IP. I need to use FQDN instead using Public IP. What is the configuration for this.
-Device : ASA 5520
-Configuration Type : IPSec
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Apr 21, 2013
I just bought a dell inspiron computer 5520, it was working with windows 7. I then loaded windows 8 and the wifi won't work!
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Jun 26, 2011
I have set up a remote access ipsec vpn on an asa 5520. I can connect, and ping internal ip addresses, however I cannot ping back out to the internet, and dns resolution does not work.
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Mar 25, 2011
i have configure l2tp/ipsec vpn on cisco ASA 5520 and also configure windows 7 client but its getting error
Error in ASA debug log
debug crypto isakmp 7
Mar 26 07:44:28 [IKEv1]: IP = 59.161.130.13, IKE_DECODE RECEIVED Message
[Code]......
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Jun 14, 2011
I have two Cisco ASA 5520's running software version 8.2(2) set up in a HA pair. The L2L vpn is set up and works as expected between this site and another. The issue is that every few months, one subnet of the VPN, the same one all the time, stops forwarding/receiving traffic. The device in the remote location is not a Cisco device but I am certain the issue lies with the ASA as when I fail over to the slave device the VPN works again, failing back again however stays with the subnet still not passing traffic. I need to reboot the device before it starts forwarding traffic on the subnet again.
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Dec 12, 2011
We have an ASA5520 with VPN working fine.We replaced the router, which upgraded the OS from v12.2 to v15.0. We duplicated all the addressing and routing statements from the old router. Now the VPN still connects but the outside host can't ping the inside host anymore. The outside host can't ping any further than the inside interface of the router (10.4.1.1). The Router can ping the outside host, so I know the tunnel is up.I suspect there is a difference in the OS versions that is tripping us up. Perhaps in the way that we have reused the 10.x.x.x address range?
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Jun 26, 2012
Model: ASA 5520
ASA: asa843-k8.bin
We are having an issue with the the ASA RDP2 plugin, it has been working correctly since the installation of the ASA 2 years ago.1 month ago the functionality stopped working in IE activeX. I performed an upgrade of the ASA software in an attempt to fix, unfortunately this has not resolved the issue. Reimporting the plugin has not solved our issue either.
When using the Java client, there is a warning that -"The terminal server disconnected before licence negotiation completed. Possible cause: terminal server could not issue a licence"When a user clicks on a bookmark or types in a server name that is associated to the RDP2 plugin, the page timeouts and goes back to the home screen of the clientless SSL vpn.
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Mar 12, 2013
While user's connecting through AnyConnect, AnyConnect doesn`t check endpoint attributes. I've configured checking process of "notepad.exe", but it doesn`t work. There is no checking process of "notepad.exe" in output debug dab trace (see attach).
ASA 5520 ver 8.4(1)
AnyConnect 3.1.02040
HostScan 3.1.02043
CSD 3.6.6234
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Feb 27, 2013
I'd like to see some REAL LIFE comparisons of ASA firewall throughput (a bit like this one for ISR G2 Routers - [URL].
The reason I ask is that I recently upgraded a firewall from an ASA5505 to an ASA5520 on a small network where the only outside connectivity was a single 10meg Internet circuit with an IPSEC VPN (not landed on the firewall but on a router) to another site.
When I swapped out the firewall the users noticed a big improvement. The firewall is not doing anything out of the ordinary - no IPS or VPN, just standard state full inspection.
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May 5, 2013
I have an asa 5520. How would I configure my dedicated management interface to be able to route off subnet while the firewall is in transparent mode?
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Jul 26, 2012
We are using the newest release of AD Agent (1.0.0.32.1, built 598). The ASA Firewalls 5520 are having the software release 8.4(3)8 installed.When somebody tries to connect thru the Identity based firewalls from a citrix published desktop environment (PDI) the connection is not possible. Checking the ip-of-user mapping on the firewalls (show user-identity ip-of-user USERNAME) mostly doesn't show the mapping of the USERNAME and the PDI the user is logged in. The user-of-ip mapping of the PDIs IP-address shows mostly other users, which then are used to authenticate the acces thru the firewalls.
What is interesting, that on the AD Agent using "adacfg.exe cache list | find /i "USERNAME"" i can't see the PDIs IP-address neither because it is mapped to another user.Is Citrix Published Desktop environment supported to connect thru Identity based Firewalls? How AD Agent, Domain Controllers and Firewalls are working together? On the firewalls with "show user-identity ad-agent we see, the following:
-Authentication Port: udp/1645
-Accounting Port: udp/1646
-ASA Listening Port: udp/3799
Why Cisco does use 1645 and 1646 and not 1812 and 1813?The Listening Port is used for what purpose? we tried the AD Agent modes full- download and on-demand with the same effect.
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May 15, 2013
Mine is inspiron 5520. all of my required drivers worked perfectly on windows 7 . but after updating to windows 8, my bluetooth and wifi drivers isn't installing. at the time of installing it shows me " This software has compatible issues " . What can i do in this case ???
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Apr 15, 2013
I try to launch a LAND Attack against my firewall ASA 5520. Everything will work fine. But why, I think it should not work. I use a little tool where I can user a spoofed address, with a cluster shell and attack the firewall interface with the source of 127.0.0.1 ore the ip address of the interface as the source and destination. Then I get a cpu load of 89% with only two host. With IP tables I can use kernel processes to prevent this. But I don´t find anything for ASA.
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Jan 4, 2012
Two different WAN links get connected to the firewall via two routers.(Different ip subnets).I need to get this two wan streams seperatly to the core switches.Core switches sits.Active/Stanby senario. If the Active core goes down Stndby Core will have take over the traffic. My design is correct ,if not what do i need to change. ASA is 5520.
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May 22, 2013
I have ASA 5520 installed. I want to use ntp server for firewall clock setting. I found one open-access ntp server (stratum 2) in Los Angeles:
[URL] 209.151.225.100
Can I use the following command to set ntp server?
ntp server 209.151.225.100 source outside.
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Jan 1, 2012
communication between 2 vlans.i have 2 vlans
Vlan 100
ip add 1.1.1.1
!
!
!
Vlan 200
ip add 2.2.2.2
i want to make communication between 2 vlans on firewall 5520 ASA 8.2.
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Feb 27, 2011
I have a serious problem with my corporate firewall, witch is an ASA 5520, fv 8.3, with 8 +1 interfaces. It suddenly started to crash every 10/20 minutes and rebooting alone.
First of all I checked system resources witch are in a very low usage state. I also checked interfaces errors, but nothing strange come out o from error counters analysis. I tried disabling logging and all the service policy rules configured, but nothing changed.
Nothing changed and firewall continue restarting by itself.
Last logs I received before crash were:
%ASA-4-711004: Task ran for 35 m sec, Process = Dispatch Unit, PC = 84a619e, Call stack =
%ASA-4-711004: Task ran for 35 m sec, Process = Dispatch Unit, PC = 84a619e, Call stack = 0x084A619E 0x084A6512 0x084A70E1 0x084A7987 0x084A7AAA 0x08558B9B 0x08558E8A 0x083D3518 0x083CA145 0x080659D1 0x089196D9 0x08919790 0x089FF711 0x08A27468
Here the sh crash info command on module 0, after last reboot:
[Code] ......
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