Port 445 Question

Discussion in 'other firewalls' started by xaros, Sep 7, 2005.

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  1. xaros

    xaros Registered Member

    Sep 7, 2005
    Hello to all...
    For security reasons,i have disabled the following in my XP SP 1 box:
    Network Connections-....File and Printer Sharing
    Network Connections-....NetBios over TCP/IP
    TCP/IP NetBios Helper Service
    Server Service
    Computer Browser Service

    So,ports 137,138 and 139 are closed.Only 445 is still open.
    While googling,almost everyone mentioned setting the extra registry key
    "HKLM\System\CurrentControlSet\Services\NetBT\Parameters" to null,
    some others also mentioned Device Manager-Show Hidden Devices-
    NetBios over TCP/IP-Driver-Startup Type:Disabled.
    What nobody mentioned is what happens if someone closes also the port 445:
    yes,i won't be able to share my stuff
    (big deal,ssl-ftp or ssh cover me for that),but just in case,
    will i still be able to map external shares in xp/2000 boxes,
    or access linux samba shares?
    What i mean is:closing the final port 445 prevents someone from accessing my box,
    or does it also render me unable to access external shares,either win32 or *nix?

    Thanks in advance for any reply...
  2. CrazyM

    CrazyM Firewall Expert

    Feb 9, 2002
    BC, Canada
  3. Tom772

    Tom772 Guest

    Hi, xaros sorry to ask another quesktion in your thread, but i was wondering do you still need ANY netbios port open if you are behind a network or a proxy server? Thanx , T
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