On Fri, Sep 23, 2005 at 11:34:00AM -0300, Maurit Pereira Fagundes said at one point in time: > Hello all, > > Anyone knows a web site or a ebook that explains the use of TCP/UDP ports and > when it is necessary to open them? Explaining in details each protocol, etc. > I am reviewing my rule base and i want to know if everything configured up to > know is really necessary...to do this, i must understand each protocol, know > what i have im my network and what kind of access the users need.. > > Thanks in advance > Maurit. >
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