MS Outlook and 1177 port

Discussion in 'LnS English Forum' started by ArtLonger, Dec 9, 2004.

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  1. ArtLonger

    ArtLonger Guest

    Hello.
    During work with Exchange-server MS Outlook demands ports 1024-5000 on both sides. If make rule - all is good. But if Outlook to set a range 1024-5000 in Applications filter, the port 1177 is thrown out and connection with a server is impossible. This port (UDF Archive server) is registered in possible trojan, but why it is thrown out? If to enter 1177;1024-5000, the port is authorized and connection will be. What can be a problem?
    Thanks.

    PS: Sorry for bad English...
     
  2. ArtLonger

    ArtLonger Guest

    Add: MS Outlook and 1177 port

    Has overlooked - in the log-file about port 1177 is written:
    APP: TCP port not allowed
     
  3. Frederic

    Frederic LnS Developer

    Joined:
    Jan 9, 2003
    Posts:
    4,353
    Location:
    France
    Hi,

    Are you configuring Look 'n' Stop on the server side or on the client side ?

    On the client side, normally you just need to specify the destination ports, like 110 & 25, but not the local source ports like 1024-5000.

    Regards,

    Frederic
     
  4. dhf959543

    dhf959543 Guest

    Have you added Outlook (application) to the rule that you created? The "Application" button is at the bottom left; when creating a rule click this button to add the applications that start this rule.
     
  5. ArtLonger

    ArtLonger Registered Member

    Joined:
    Dec 9, 2004
    Posts:
    9
    Hello, Frederic

    Look 'n' Stop is configured on the client side.
    Outlook works with MS Exchange through RPC port (135) and RPC Communication ports (1024-5000):

    Ethernet type - IP
    Protocol - TCP
    Application - MS Outlook
    Directions - both
    Other parameters - default
    Adrresses/ports - My_computer:1024-5000 <-> Exchange_server:135;1024-5000


    If to make for Outlook two rules, Email works without problems:

    My_computer:1024-5000 <-> Exchange_server:135
    My_computer:1024-5000 <-> Exchange_server:1024-5000
    Applications - MS Outlook (ports are not set)



    If to set Outlook ports 135;1024-5000 in the Applications Filtering Page, port 1177 is blocked:

    Internet Filtering Page rule for Outlook:
    My_computer:1024-5000 <-> Exchange_server:All_ports
    Applications Filtering Page:
    MS Outlook with TCP ports 135;1024-5000

    If enter 135;1177;1024-5000 port 1177 is not blocked.


    I don't understand...


    dhf959543
    Yes, of course.
     
    Last edited: Dec 13, 2004
  6. Frederic

    Frederic LnS Developer

    Joined:
    Jan 9, 2003
    Posts:
    4,353
    Location:
    France
    Hi ArtLonger,

    There is a problem for some port range selection, in the application filtering.

    Could you try the following update:
    http://looknstop.soft4ever.com/Beta/lnsfw1/LNSFW1-d2.zip

    - rename c:\winnt\system32\drivers\lnsfw1.sys in lnsfw1.old
    - unzip the new driver in c:\winnt\system32\drivers
    - reboot the computer.

    Thanks,

    Frederic
     
  7. ArtLonger

    ArtLonger Registered Member

    Joined:
    Dec 9, 2004
    Posts:
    9
  8. Frederic

    Frederic LnS Developer

    Joined:
    Jan 9, 2003
    Posts:
    4,353
    Location:
    France
    Yes, this driver (3.04 d2) is the last beta. This means it includes the leaktest detection enhancements.

    Frederic
     
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