I've just checked my firewall logs... I have no entries for any traffic to tcp/7 and outbound requests from ports >1023 are not allowed here (only a few ports are open outbound).
Is there an explanation why my Razor2 appears to work normally with Spamassassin? Also the SA wiki could do with wording a little more clearly given your explanation below. Thanks Alan > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Matt Kettler > Sent: 14 January 2004 20:02 > To: Cale Fairchild; [EMAIL PROTECTED] > Subject: Re: [Razor-users] Ping discovery. > > > At 02:36 PM 1/14/2004, Cale Fairchild wrote: > >Is it absolutely necessary to have the PING functionality in > order for > >Razor-check to work? My provider seems very hesitant to > allow PING traffic > >through the main Internet link. So would it be possible to > disable the PING > >checks and still connect to the server? I just want to ask > before I put any > >time in to altering the Perl code. > > > Well, keep in mind that razor does not use a typical "ping" > ie: icmp echo > request. It uses a connection to cloudmark's tcp/7 port from a random > unprivleged port on your end (>1024). > > It does NOT require that tcp/7 on your end be accessible, > only that you be > able to connect to it on their end. > > I can't possibly imagine why your provider is hesitant, > unless they are > under some gross misunderstanding about how echo-chargen loop > attacks work. > > (in order to do an echo-chargen attack, one "loops" the > output of a chargen > port into an echo port. Commonly done with UDP, since no > 3-way handshake is > required. However, is the local soruceport is >1024, it can't > be chargen, > thus can't be a part of a echo-chargen loop). > > > > > > > > ------------------------------------------------------- > This SF.net email is sponsored by: Perforce Software. > Perforce is the Fast Software Configuration Management System offering > advanced branching capabilities and atomic changes on 50+ platforms. > Free Eval! http://www.perforce.com/perforce/loadprog.html > _______________________________________________ > Razor-users mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/razor-users > ------------------------------------------------------- This SF.net email is sponsored by: Perforce Software. Perforce is the Fast Software Configuration Management System offering advanced branching capabilities and atomic changes on 50+ platforms. Free Eval! http://www.perforce.com/perforce/loadprog.html _______________________________________________ Razor-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/razor-users
