Disable aggressive mode

We wanted to know if there is a way to disable âAggressive modeâ on the VPN concentrator.
For example, on the ASA, we can do it using the command âisakmp am-disableâ
On a router we can do it using the command âcrypto isakmp aggressive-mode disableâ.
Is there a similar command on the VPN concentrator ?
Your help is appriciated.

Fadi,
Are you using Pre-Shared Keys or Certificates for Authentication. Please refer the below link for information on VPN Client AM and MM.
http://www.cisco.com/en/US/products/sw/secursw/ps2308/products_data_sheet090
0aecd801a9de9.html
Aggressive Mode is the default and the only mode available for Pre-shared key and Main Mode is only available for the Cert authentication.
So, it is my understanding that it is not possible for VPN clients to use main mode to authenticate to the VPN3000 with pre-shared keys.
Regards,
Arul
*Pls rate if it helps*

Similar Messages

IKE Aggressive Mode on VPN3K

Hi,
I have VPN 3005 with 4.7.2 OS (latest one to date). I am looking to disable Aggressive Mode processing (stick to Main Mode only) for Remove VPN clients. Please note, Remote VPN clients and NOT LAN-to-LAN connections.
So far I cannot see how this can be done.
TAC engineer is not coming up with good answers as well.
Anyhow has an idea?
Thanks!
David

I don't think you can make Remote Access VPN on
the Concentrator work with Main mode, unless
you decide to use Certificate instead of
pre-shared key:
"The Cisco VPN client uses aggressive mode if preshared keys are used and uses main mode when public key infrastructure (PKI) is used during Phase 1 of the tunnel negotiations. After bringing up the Internet Security Association and Key Management Protocol Security Association (ISAKMP SA) for secure communication, the Cisco VPN 3000 concentrator prompts the user to specify the user credentials. In this phase, also known as X-Auth or extended authentication, the VPN 3000 concentrator validates the user against the configured authentication database. If the user authentication is successful, the Cisco concentrator sends a successful authentication message back to the client. After X-Auth, the Cisco VPN client requests configuration parameters such as the assigned IP address, the Domain Name System (DNS) server's IP address, and the Windows Internet Naming Service (WINS) server's IP address. During this phase, known as mode-config, the VPN 3000 concentrator sends the configured parameters back to the client. The final step for a successful VPN tunnel is the negotiation of Phase 2 parameters"

Aggressive Mode IKE

We used to use IPSEC VPN, but now use Anyconnect SSL VPN. We have a third party scan our firewall externally, and they are recommending that we disable Aggressive Mode IKE. Is this only used for IPSec VPN's? Is it safe to remove this from our configuration on our ASA 5505?
crypto isakmp identity address
crypto isakmp enable outside
crypto isakmp policy 10
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
Thank You.

Hi Bill,
The aggresive mode (3 pkt exchange) is only used for the IPsec remote access. The site to site VPN uses main mode (6 pkt exchange). If you do not have any site to site VPN you can disable these commands however if you do have site to site VPN then removing these will break them.
There is nothing called aggressive mode in Anyconnect. Anyconnect uses a totally different protocol called SSL (TCP/UDP port 443).
Hope this answers your question.
Thanks,
Vishnu Sharma

VPN Aggressive Mode

I have a 5510 ASA with one site to site vpn and about 200 users on vpn client. I was curious if I remove Aggressive Mode or disable it. How will that effect the site to site and vpn clients? Will there be an outage by disabling? To my understanding the only thing i need to do on the firewall is add the crypto isakmp am-disable command. Do I need to reconfigure anything else or just disable aggressive mode? How will the change affect the end-users or network? Do I need to edit the PCF file on the client?
ASA Software
Device Manager Version 6.2(5) Cisco Adaptive Security Appliance Software Version 8.0(5)
VPN Client
5.0.0.7.0290

You can disable the Aggressive mode for L2L tunnel however if you disable aggresive mode in Dynamic map as well then all VPN clients will fails since remote user can connect only in Aggressive mode only unless client is using Certificate based authentication. This is as per design.
Hope this helps.
Regards,
Anuj

IKE Aggressive mode vulnerability

Hello All,
I am currently working on a project to remove security vulnerability present in the network due to IKE Aggressive mode. Below is my understanding:
1. In aggressive mode, initiator and responder IDs are sent in clear text, as against main mode and this is the vulnerability we are trying to remove.
2. For Site to Site VPNs we can disable the aggressive mode, but this is not possible to achieve in Client to Site VPNs till we are using PSKs.
I am seeking help on below points based upon my understanding:
1. Validation of my understanding
2. In case we go for certificate based authentication instead of using PSKs, can we disable the aggressive mode and remove the vulnerability. If yes, is it a mandate to have a local CA server installed or can we go for a publicly hosted CA server.
Please advice.

Hi Vikas,
Your understanding is correct. More info on this...
http://www.cisco.com/warp/public/707/cisco-sn-20030422-ike.html
If you go with certificate- yes you can mitigate the issue. Some firms go with practice of frequently changing & longer PSK.
Also, if you have second level authentication ex:RSA for successful authentication, this can be acceptable.
You can go with a local MS CA server-
http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a0080930f21.shtml
http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008073b12b.shtml
You can as well use a IOS router as CA server.
Hth
MS

Acrobat Reader X Disable Protection mode

Hi All,
i need some help with this freaky Acrobat Reader X version.
We have currently ~1000 computers with different old versions of AR (form 6 to 9)
We need to upgrade to 10.0.1 version all PC's
Will use SCCM for distributing the package.
OK... everything here seems good but ... a lot of problems and erros appear.
First we've installed on test group of 10 pc's the AR 10.0.0
all users start complainig that they can't open the pdf's from our file servers.
Solution - bring the patch 10.0.1
After that all users start complaining that they can't print - Windows Error - Acrobat need to be closed !
Solution - Protection mode disabled.
My questions :
1. How can I distribute both the Package of Acrobat and the update together with SCCM
All my tries and reaings failed !!!
i've try different methods and no success
msiexec /i /q \\server\d$\Workstation Baseline\AcrobatReaderX\AcroRead.msi TRANSFORMS="AcroRead.mst" PATCH=\\server\d$\Workstation Baseline\AcrobatReaderX\adbeRdrUpd1001_Tier1.msp
this do not work for me This is in SCCM program
2. How can i disable through Adobe Wizard the Protection Mode ?
I know how to do it manually but is not acceptable this way - i can't communicate with 1000 users to do this manually
I know how to disable it from registry with GPO , but i can't disable it before installation, also i can't disable it on all PC's after installation, because it will take several days to complete for all pc's and this "hole" of some days will stop the work of our end-users.
Any fresh ideia is wellcome. Also any help
Thanks

hey,
had similar issues with protection mode.
found we can do it 2 ways, 1. via registry entry, or 2. via an ADM.
sorry cannot remember the referenced posts for the fixes below...
we use the adm so that users cannot change it, and so that updates dont reset it.
note that the adm has only a few settings, and i dont know the code for any other settings.
1. - REG method:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Acrobat Reader\10.0\FeatureLockDown]
"bProtectedMode"=dword:00000000
REM: Above line Disables Protected Mode on startup
2. - ADM Template method
please note, just copy and paste into a text file and rename as .adm.
remember that on the last section of the code below, change the "YOUR HEADER HERE" bit to what you want to use to find it in the GPO manager once you add the template.
CLASS USER
CATEGORY !!YOUR_COMPANY_NAME_GOES_HEREHeader
CATEGORY "Adobe Reader 10"
CATEGORY "Preferences"
CATEGORY "General"
CATEGORY "Application Startup"
POLICY "Show splash screen"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Originals"
EXPLAIN !!ExplainNosplash
VALUENAME "bDisplayedSplash"
VALUEON NUMERIC 0
VALUEOFF NUMERIC 1
END POLICY
POLICY "Enable Protected Mode at startup"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Privileged"
EXPLAIN !!ExplainProtectedMode
VALUENAME "bProtectedMode"
VALUEON NUMERIC 1
VALUEOFF NUMERIC 0
END POLICY
END CATEGORY
END CATEGORY
CATEGORY "Identity"
POLICY "Organization Name"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Identity"
EXPLAIN !!ExplainOrgName
PART "Organization Name." EDITTEXT
VALUENAME "tCorporation"
END PART
END POLICY
END CATEGORY
CATEGORY "Internet"
CATEGORY "Internet Options"
POLICY "Connection speed"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\AVGeneral"
EXPLAIN !!ExplainConnection
PART "Connection speed." DROPDOWNLIST REQUIRED
VALUENAME "iConnectionSpeed"
ITEMLIST
NAME "56kbps" VALUE NUMERIC 56000
NAME "LAN" VALUE NUMERIC 10000000 DEFAULT
END ITEMLIST
END PART
END POLICY
END CATEGORY
END CATEGORY
CATEGORY "Spelling"
CATEGORY "Dictionaries"
POLICY "Dictionaries"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling"
EXPLAIN !!ExplainDictionary
PART "Default Dictionary" DROPDOWNLIST
VALUENAME "tDictionaryName"
ITEMLIST
NAME "English (United Kingdom)" VALUE "English (United Kingdom)"
ACTIONLIST
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling"
VALUENAME "iDictionaryDefaultID" VALUE NUMERIC 7
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling\cDictionaryOrder"
VALUENAME "t0" VALUE "English (United Kingdom)"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling\cDictionaryOrderID"
VALUENAME "i0" VALUE NUMERIC 7
END ACTIONLIST
NAME "English (United States)" VALUE "English (United States)"
ACTIONLIST
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling"
VALUENAME "iDictionaryDefaultID" VALUE NUMERIC 2
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling\cDictionaryOrder"
VALUENAME "t0" VALUE "English (United States)"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Spelling\cDictionaryOrderID"
VALUENAME "i0" VALUE NUMERIC 2
END ACTIONLIST
END ITEMLIST
END PART
END POLICY
END CATEGORY
END CATEGORY
CATEGORY "Units"
POLICY "Page Units"
KEYNAME "Software\Adobe\Acrobat Reader\10.0\Originals"
EXPLAIN !!ExplainPageUnits
PART "Page unit" DROPDOWNLIST REQUIRED
VALUENAME "iPageUnits"
ITEMLIST
NAME "Points" VALUE NUMERIC 0
NAME "Inches" VALUE NUMERIC 1
NAME "Millimeters" VALUE NUMERIC 2 DEFAULT
NAME "Centimeters" VALUE NUMERIC 3
NAME "Picas" VALUE NUMERIC 4
END ITEMLIST
END PART
END POLICY
END CATEGORY
END CATEGORY
END CATEGORY
CATEGORY "Adobe Acrobat 10"
CATEGORY "Preferences"
CATEGORY "General"
CATEGORY "Application Startup"
POLICY "Show splash screen"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Originals"
EXPLAIN !!ExplainNosplash
VALUENAME "bDisplayedSplash"
VALUEON NUMERIC 0
VALUEOFF NUMERIC 1
END POLICY
END CATEGORY
END CATEGORY
CATEGORY "Identity"
POLICY "Organization Name"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Identity"
EXPLAIN !!ExplainOrgName
PART "Organization Name." EDITTEXT
VALUENAME "tCorporation"
END PART
END POLICY
END CATEGORY
CATEGORY "Internet"
CATEGORY "Internet Options"
POLICY "Connection speed"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\AVGeneral"
EXPLAIN !!ExplainConnection
PART "Connection speed." DROPDOWNLIST REQUIRED
VALUENAME "iConnectionSpeed"
ITEMLIST
NAME "56kbps" VALUE NUMERIC 56000
NAME "LAN" VALUE NUMERIC 10000000 DEFAULT
END ITEMLIST
END PART
END POLICY
END CATEGORY
END CATEGORY
CATEGORY "Spelling"
CATEGORY "Dictionaries"
POLICY "Dictionaries"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling"
EXPLAIN !!ExplainDictionary
PART "Default Dictionary" DROPDOWNLIST
VALUENAME "tDictionaryName"
ITEMLIST
NAME "English (United Kingdom)" VALUE "English (United Kingdom)"
ACTIONLIST
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling"
VALUENAME "iDictionaryDefaultID" VALUE NUMERIC 7
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling\cDictionaryOrder"
VALUENAME "t0" VALUE "English (United Kingdom)"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling\cDictionaryOrderID"
VALUENAME "i0" VALUE NUMERIC 7
END ACTIONLIST
NAME "English (United States)" VALUE "English (United States)"
ACTIONLIST
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling"
VALUENAME "iDictionaryDefaultID" VALUE NUMERIC 2
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling\cDictionaryOrder"
VALUENAME "t0" VALUE "English (United States)"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Spelling\cDictionaryOrderID"
VALUENAME "i0" VALUE NUMERIC 2
END ACTIONLIST
END ITEMLIST
END PART
END POLICY
END CATEGORY
END CATEGORY
CATEGORY "Units"
POLICY "Page Units"
KEYNAME "Software\Adobe\Adobe Acrobat\10.0\Originals"
EXPLAIN !!ExplainPageUnits
PART "Page unit" DROPDOWNLIST REQUIRED
VALUENAME "iPageUnits"
ITEMLIST
NAME "Points" VALUE NUMERIC 0
NAME "Inches" VALUE NUMERIC 1
NAME "Millimeters" VALUE NUMERIC 2 DEFAULT
NAME "Centimeters" VALUE NUMERIC 3
NAME "Picas" VALUE NUMERIC 4
END ITEMLIST
END PART
END POLICY
END CATEGORY
END CATEGORY
END CATEGORY
END CATEGORY
[strings]
YOUR_COMPANY_NAME_GOES_HEREHeader=YOUR HEADER HERE
ExplainNosplash="When disabled, the program will not display a splashscreen on startup.\n\nWhen enabled, the splashscreen will be displayed."
ExplainProtectedMode="When disabled, the program will not run in Protected Mode.\n\nWhen enabled, Protected Mode will run, and may cause compatibility errors.\n\nSee http://kb2.adobe.com/cps/860/cpsid_86063.html for more details."
ExplainOrgName="Enter the organization name by typing it in."
ExplainConnection="To specify LAN, set the connection speed to 10000000."
ExplainPageUnits="Set the page unit from the drop-down list.\n\nThe default is millimeters."
ExplainDictionary="Used to specify the default dictionary to spell checking."

Disable Protected Mode Reader 11

All,
I have found articles on Adobe's website about disabling protected mode -
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Acrobat Reader\11.0\FeatureLockDown]
"bProtectedMode"=dword:00000000
[HKCU\Software\Adobe\Acrobat Reader\11\Priviledged]
"bProtectedMode"=dword:00000000
With both these settings turned on when you start up adobe and view edit > preferences it displays protected mode as being disabled however if I open task manager then open adobe reader I can see 1 instance of AcroRD32.exe - when I then open a PDF file via file > open browser to a PDF file I can see another 2 instances of AcroRD32.exe inside task manager. I thought this behavior was down to PM being enabled as it would spawn multiple instances of this to ensure it runs in sandboxing mode? The problem I have is we use an application inhouse which whitelist's only approved .dll's and .exe's and because Reader continues to spawn multiple instances of Reader even with these registry settings enabled I continue to hit issues getting Reader to work with my whitelist application.
Is there a way that when you open Reader it will only ever open 1 instance of AcroRD32.exe or is the behavior I am seeing by design even with Protected Mode disabled?
Thanks

Solution : Open OSD file and modify the part "Policies"
<POLICIES>
<LOCAL_INTERACTION_ALLOWED>TRUE</LOCAL_INTERACTION_ALLOWED>
<VIRTUAL_FILE_SYSTEM_PASS_THROUGH>TRUE</VIRTUAL_FILE_SYSTEM_PASS_THROUGH>
<VIRTUAL_REGISTRY_PASS_THROUGH>TRUE</VIRTUAL_REGISTRY_PASS_THROUGH>
<ENFORCE_ACLS_ON_VREG_MODIFY>TRUE</ENFORCE_ACLS_ON_VREG_MODIFY>
</POLICIES>

[SOLVED] Disabling N mode: possible? (iwl4965)

Hey guys, I have an Intel 4965 802.11abgn wireless card.
I have been getting download speeds significantly lower than what I expect and what I get with Windows Vista on the same machine.
For example, with the easylist.com Arch mirror I usually get about around 1mbps on other computers. With this one, I get between 60-200kbps.
This happened in Vista as well, but I fixed the problem by disabling N mode in a device manager. I guess our router doesn't support it. So, my question is this: is there a way for me to disable N mode under Linux? It'd be great to get my regular download speeds back. Thanks!
Last edited by wirenik (2008-12-05 01:39:17)

lucke wrote:Try loading the module with "modprobe module_name that_option=1" (rmmod it first). If it works, add "options module_name that_option=1" to /etc/modprobe.conf to make it permament.
I did it!
$ modprobe -r iwlagn
$ modprobe iwlagn 11n_disable=1
Now I get up to nearly 2mbps from easynews, and download speeds everywhere else are soaring too. Thanks a million for the help, everyone!

Disable clamshell mode via Terminal

Hi everyone.
Is there any way to disable "clamshell mode" and avoid my MacBook Pro waking up seconds after I close the lid?. I always use my MBP17 with a magic mouse, usb hub, external monitor and plugged magsafe but using both screens at the same time. I just would like to close the lid and enter sleep mode while I go away from my mac for five minutes without having to unmount drives, unplug magsafe and turn off mouse. It's crazy!!. I still can't believe there is no preference for that.
I know thats the wanted behaviour for using the external display with the macbook screen off but I just wanna send my mac to sleep for God sake!!
Thanks in advance and excuse my poor english.

Your English is much better than that of some native English speakers who post here.
Your MBP's waking up immediately after being closed, without your doing something to cause it, is *not a feature of clamshell mode.* In clamshell mode, the expected behavior is that the machine will sleep when the display is closed, and you will then wake it and bring the external display into operation *by pressing a key on the external keyboard.* If you don't do that, it stays asleep. So clamshell mode doesn't need to be disabled to stop the behavior that's annoying you, because that behavior has nothing to do with clamshell mode.
Instead, you need to determine which of the devices you are using with the MBP is interrupting sleep. This is nearly always caused by a USB device that doesn't understand sleep, and tries to communicate with the computer while it sleeps — which causes it to wake up. It may be your keyboard, your mouse, an external drive, a printer, scanner, ExpressCard device, Bluetooth cell phone, or even an SD card in the built-in card reader, if you have one. So first turn Bluetooth off and close the display to test for a change in behavior. If the MBP still wakes up a minute later, that wasn't the culprit. Disconnect your other peripheral devices one at a time, testing again after each disconnection, until you discover which device is responsible.

How can I disable Safe Mode permanently?

I'm one of many people who use a Firefox addon called 'Leechblock' to help combat the tendency to waste time online by visiting time-wasting sites, or in my case - visiting porn sites. Leechblock helped, because it allowed me to ban the sites and search terms I would habitually go for. The only problem is that I'm now aware I can circumvent the whole ban thing by hitting 'Shift' when I click FIrefox and opening up the Safe Mode, this allows me to freely search for porn and\or disable the addon.
I know that several other people use Leechblock for the same purpose, and we've all come up against this - if we could disable Safe mode on our own version of Firefox, it'd take considerably more effort to get back in and fall back to those bad habits.
Others have posted instructions for disabling Safe Mode, but they've only worked with much older versions of Firefox. Is anyone with the experience able to dedicate a little bit of time to figuring out and explaining for the non-technical user how to do this on the latest version of Firefox?
Your help would be much appreciated, not only by me but by others with the same issue. Thanks!

See:
*CCK2 Wizard: https://addons.mozilla.org/firefox/addon/cck2wizard/

Safari won't let me disable safety mode for Youtube

Hi community,
I have tried a number of ways to do this and consistently failing. Youtube is locked into safety mode and I cannot disable it. My Google account is not in safety or filtering mode. Youtube works fine when I log in on Firefox. But when in Safari, and I scroll to the bottom of the Youtube page and click disable safety mode, the screen does not return to Youtube it goes nowhere, and when I get back on, safety mode is STILL ACTIVATED. This only happens when I'm using Safari. Can anyone help? I'm on a pretty old Safari I must admit - 5.1.10 - but I never used to have this issue until fairly recently. I don't know how it happened!?

Tried removing cookies?
Safari > Preferences > Privacy
Press the "Details" button.
Press "Remove All" button.

Why i cant watch youtube as youtube inform this "This video is unavailable with safety Mode enabled. To view this video, to need to disable safety mode" how can i turn off safety mode

Why i cant watch youtube as youtube inform this "This video is unavailable with safety Mode enabled. To view this video, to need to disable safety mode" how can i turn off safety mode
Why i cant watch youtube as youtube inform this "This video is unavailable with safety Mode enabled. To view this video, to need to disable safety mode" how can i turn off safety mode

You need to disable Safety Mode at the bottom of the YouTube page. More info here:
https://support.google.com/youtube/answer/174084?hl=en

Disable Protected Mode the easy way

I have created a script to disable protected mode in Adobe flash player after it is installed. I see a lot of this being done for various reasons. If anyone is interested in it, as it is a quick and easy way to do so, you dont have to go fooling with OS files.
You can read about it below
http://firefoxcrash.blogspot.com/2013/12/disable-protected-mode-in-adobe-flash.html
Best Regards

Protected Mode is win only fearture. http://blogs.adobe.com/asset/2010/07/introducing-adobe-reader-protected-mode.html

How do I disable Protected Mode at startup on Reader XI

fallowing the instructions on:
http://helpx.adobe.com/acrobat/kb/protected-mode-troubleshooting-reader.html
I went to "Edit > Preferences > General Tab". The objective wasa to uncheck "Enable Protected Mode at startup". The page was written for Reader X on Reader XI I couldn't find "Enable Protected Mode at startup" on the Gernal tab. How do I disable Protected Mode at startup on Reader XI?

Dragon NaturalySpeaking software doesn't work on FireFox in with Reader in Protected Mode.
I see no hope for the future of our people if they are dependent on the frivolous youth of today, for certainly all youth are reckless beyond words. When I was a boy, we were taught to be discreet and respectful of elders, but the present youth are exceedingly disrespectful and impatient of restraint.
- Hesiod, eighth century B.C.E..

Disable Protected Mode

I have installed Reader 10.0.1 on my MacBook (OS X 10.6.3).
I am trying to disable protected mode in order to view a particularly troublesome file/document. Where is the configuration panel that will allow me to toggle on/off "Enable Protected Mode at Startup"?
I've seen it suggested that this panel is located under Edit > Preferences > General, but my version of Reader does not present this as an option (ie. there is no "Preferences" option under the Edit tab). There is a Preferences option under the main Adobe Reader tab, but I do not see the Protected Mode toggle button under this option...

Protected Mode is win only fearture. http://blogs.adobe.com/asset/2010/07/introducing-adobe-reader-protected-mode.html

Disable aggressive mode

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