On 25/03/02 10:26 +0530, Navin Mehra/MUM/IN/STTL wrote: > I have a Lotus Notes mail server behind my Pix firewall 5.3(1), the problem > is anyone from outside is able to telnet my smtp port 25 and compose a mail Well, if you want to receive mail from the world directly on the Notes server, you have to allow for port 25 to be open.
> and send it. The issue is though my mail server restricts free relay he/she > can compose a mail via telnet to port 25 in name of anyone else in the same > domain and send a false mail on his behalf. See pgp||gpg||S/MIME. And then also see if Notes does SMTP auth. > So is there anyway where by I can block the telnet to port 25 and thereby > stop the composition of a mail. Is there a way to authorise/restrict access > the telnet to service ports. No. Not if you want them to be reachable from the world. Devdas Bhagat _______________________________________________ Firewalls mailing list [EMAIL PROTECTED] http://lists.gnac.net/mailman/listinfo/firewalls
