Stateful Packet Inspection: Table is full.

Discussion in 'LnS English Forum' started by 0strodamus, Aug 22, 2010.

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  1. newline

    newline Registered Member

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    I never imagined that a software product would be brand-dependent. For clarity, I am talking about a 3G adapter. The brand is Huawei and >50% of the adapters provided by ISPs/telecoms in Oz are same brand. These devices are the future and widely used; you support them or you are history.

    I am able to use the adapter on a W7 PC with the Windows firewall enabled. I am able to use the adapter on XP PCs with another, third-party firewall enabled. I cannot use the adapter on any PC with LnS enabled.
     
    Last edited: Jul 22, 2011
  2. Phant0m

    Phant0m Registered Member

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  3. newline

    newline Registered Member

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    I'm sorry but no can do: I have uninstalled the software provided by my ISP for the adapter (Huawei E160).

    I uninstalled because LnS support advised as follows: "Yes, this is a known issue, Look 'n' Stop is not compatible with some 3G adapters as soon as they are using NDIS 6.2 protocol, which is the case with Huawei 3G adapters. Unfortunately no fix will be available, because the way Look 'n' Stop driver & techno is not compatible with NDIS 6.2 protocol." That advice was followed by this reply to my asking if it would ever be compatible "No, probably it won't be compatible. Sorry for that."

    The firmware for the adapter was upgraded for compatibility with Windows 7, presumably including NDIS 6.2. Unfortunately, that upgrade made it incompatible with LnS on both XP and W7. I am more than happy using LnS with the wired and wireless adapters on my PCs; just may never be able to use LnS together with the 3G adapter.

    BTW, I did search this forum before sending my initial support request. There a number of threads reporting similar issues with 3G devices and the recurring response was similar to what I have quoted above.
     
  4. Phant0m

    Phant0m Registered Member

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  5. newline

    newline Registered Member

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    Me too - 3G adapters have many users in Oz. Unfortunately, LnS may not be so widely used.
     
  6. Stem

    Stem Firewall Expert

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    OK, That is a clearer explanation.


    That is then quite bad, as that could also infer that if L`n`S becomes broken on standard NIC, for example with a windows update, then that may not be fixed.


    - Stem
     
  7. newline

    newline Registered Member

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    I must add that I am grateful that LnS support provided the explanation. It appears to be a matter of whether or not a device (driver?) uses NDIS 6.2.
     
  8. Stem

    Stem Firewall Expert

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    I do not think it is due specifically to NDIS 6.2 (I have L`n`S on a NIC using NDIS 6.2). It will more than likely be the new Interface for 3G (Mobile Broadband).



    - Stem
     
  9. newline

    newline Registered Member

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    Agreed, and it was my mistake; although the 3G interface is not so new. The issue may well be the LnS WAN miniport 'interface'.
     
    Last edited: Jul 25, 2011
  10. Phant0m

    Phant0m Registered Member

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    Before, normally 3G adapters were using the standard WAN interface, but with Windows 7 I imagine now the manufacturers are forced to use the interface type (‘ppip’). For the previous Windows, what worked, and it still might work for Windows 7 (nothing confirmed yet), a person needs to manually edit one of the Look ‘n’ Stop Inf files and add additional interface type to be supported. There are other interface types that Look ‘n’ Stop (in the past) were made to support via manual driver installation, and still these needs to be included manually. To know the adapter type, Frederic released a good tiny utility to retrieve such information - http://looknstop.soft4ever.com/Tools/AdaptList.exe

    For step by step instructions to add ppip interface type for supported interfaces with Look ‘n’ Stop, please visit http://www.mntolympus.org/phpBB3/viewtopic.php?p=12850#p12850
     
  11. newline

    newline Registered Member

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    My 3G adapter works on our W7 and XP PCs. However, it does not work on any of those PCs with LnS installed. As advised by LnS support: "Look 'n' Stop driver & techno is not compatible with NDIS 6.2 protocol". I consider that their advice is independent of Windows version.
     
  12. Phant0m

    Phant0m Registered Member

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    Well that wasn’t the complete truth, because as Stem had mentioned, the NIC he’s using uses NDIS 6.2 and he’s using Look ‘n’ Stop, also my Netbook network adapter uses NDIS 6.2 and Look ‘n’ Stop properly filters.

    To me, currently, this is about Look ‘n’ Stop by default install not supporting Mobile Broadband changes introduced with NDIS 6.2, remember my link to Microsoft document detailing Mobile Broadband Changes for Windows 7?

    “The Windows‭®‬*7‭ ‬operating system supports a new driver model for mobile broadband devices.‭ ‬This driver model defines a standard mechanism for mobile broadband devices to integrate with Windows.”

    “The Windows*Vista‭® ‬operating system and earlier versions of Windows had no specific medium type for mobile broadband networks.‭ ‬On these systems,‭ ‬mobile broadband miniport drivers exposed their medium as Ethernet‭ ‬802.3‭ ‬or integrated with Windows as a modem.”



    INF‭ ‬File‭ ‬Changes
    Table‭ ‬1‭ ‬summarizes important INF file changes for mobile broadband miniport drivers in Windows*7‭ ‬as compared to the INF file settings for Ethernet-emulating mobile broadband drivers that were used with earlier versions of the operating system.

    NDIS IM and NDIS LWF drivers use these values to bind and attach to the underlying network device.



    Table‭ ‬1.‭ ‬INF File Changes for Mobile Broadband Miniport Drivers in Windows 7



    Mobile broadband driver‭(‬Windows*7‭) - “‬Ppip"

    Ethernet driver ‭(‬earlier operating systems‭) - ”‬ethernet



    Look 'n' Stop installed INF File FilterMediaTypes:

    HKR, Ndi\Interfaces, FilterMediaTypes, , "ethernet, tokenring, fddi, wan"
     
  13. newline

    newline Registered Member

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    Agreed, and I believe that was what LnS support advised me. For purposes of clarity, my adapter does not 'work' on my XP PC with LnS installed.
     
    Last edited: Aug 25, 2011
  14. Phant0m

    Phant0m Registered Member

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    When the 3G adapter don’t work under XP with Look ‘n’ Stop installed, Look ‘n’ Stop might be filtering the 3G.

    Have you tried troubleshooting it yet? We can go through the steps if you interested?
     
  15. newline

    newline Registered Member

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    I did troubleshoot when the problem first occurred; I contacted LnS Support when I had no luck. I will be checking something in the next week and will advise the results.

    I have a single licence for LnS. It is installed on one of our XP PCs: the 3G adapter is no longer used on that PC. It is used on my W7 x64 PC (W7 firewall) and another XP PC (different, third-party firewall product).
     
  16. newline

    newline Registered Member

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    On a PC, no LnS, 3G adapter connected - "Interface type: IF_TYPE_PPP (23)".

    In case I did not make it clear, the 3G adapter will not connect with LnS installed (so cannot get a result from AdaptList).
     
  17. Phant0m

    Phant0m Registered Member

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    So on Look ‘n’ Stop - ‘Options’ Tab / screen, for automatically selected ‘Network interfaces’, it should probably be “WAN Miniport (IP)” selected, or one of the other WAN selections. I’ll assume that Look ‘n’ Stop already selects one of the WAN interfaces, .. is the IP that shows on the Look ‘n’ Stop - ‘Welcome’ Tab / screen for ‘IP Address:’ field begins with 10.x.y.z and the checkbox for ‘Connected’ is unticked?
     
  18. newline

    newline Registered Member

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    I always manually select 'Network interfaces' - because I use wired, wireless and 3G connections. I select the WAN Miniport (IP) interface when using the 3G connection. LnS never automatically selected that interface when the 3G connection was active.

    The process for using the 3G modem (pre W7 firmware update) is: select WAN Miniport interface in LnS - insert USB device - pause until it is 'noticed' by Windows - open ISP application - click 'connect' button on application window - device connects and IP address shows in LnS Welcome tab. However, following the W7 firmware update, the device never connects; exit LnS and it connects. Hope I'm clear enough.
     
  19. Phant0m

    Phant0m Registered Member

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    Would be interesting to know if you de-selected “WAN Miniport (IP)” and applied it, and then try the 3G device.

    Also try disabling Look ‘n’ Stop - Application filtering and try, and try with DLL filtering and Protocol filtering disabled.
     
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