Re: [fw-wiz] Personal Firewall Rules

From: Vinicius Moreira Mello (fake-anti-spam-addr_at_inf.ufrgs.br)
Date: 07/26/04

  • Next message: Ng Pheng Siong: "Re: [fw-wiz] Personal Firewall Rules" 
    To: firewall-wizards <firewall-wizards@honor.icsalabs.com>
Date: Sun, 25 Jul 2004 23:37:51 -0300

    Marcus J. Ranum wrote:
    >>Something like Zonelabs/Internet Security
    >>What rules should be put?
    >
    >
    > Zonelabs will help you set up a policy, starting from "allow nothing"
    > As a general rule:
    > - allow nothing
    > - if you must allow something allow it outgoing only
    > - if you must allow something incoming allow it only to software
    > you have good reason to trust
    >
    > mjr.

    Just a note: some Windows systems, most notably Windows XP, tend to
    fight for being the "Master Domain Browser" when they don't receive some
    SMB packets. When this happens it can make all computers invisible at
    the "workgroup window" for the other Windows clients. Also, in a domain
    context, it can take several minutes for a user to log off. I saw this
    happening twice, I have no more details, I only known that disabling the
    firewall solves the problem.

    Ok, ok, I won't tell you "block everything and *just* permit
    (135,445)/tcp". But allow nothing with care ;)

    Regards,
    vmm.
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  • Next message: Ng Pheng Siong: "Re: [fw-wiz] Personal Firewall Rules"

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