how does one spoof ?? any good sites for how to :)
On Mon, 25 Mar 2002, Madhur Nanda wrote: > If this is your mail gateway and this you are using for sendig and recieving mails >over the internet then you cannot restrict access to port 25 as this is required for >its purpose. One way is to put some filtering mailing gatway that will restrict any >smtp spoofing. i.e. this gateway will not accept messages from external network with >source e-mail id containing your mail domain suffix. Also you can restrict SMTP relay. > > i hope this help > > rgds > Madhur > > -----Original Message----- > From: Navin Mehra/MUM/IN/STTL [mailto:[EMAIL PROTECTED]] > Sent: Monday, March 25, 2002 10:26 AM > To: [EMAIL PROTECTED] > Subject: Restrict telnet to port 25 via firewall. > > > Hi, > > 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 > 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. > 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. > Requesting assistance > > Regards > Navin Mehra > Softcell Technologies > Ph. 460 6969 Extn. 220 > > _______________________________________________ > Firewalls mailing list > [EMAIL PROTECTED] > http://lists.gnac.net/mailman/listinfo/firewalls > _______________________________________________ > Firewalls mailing list > [EMAIL PROTECTED] > http://lists.gnac.net/mailman/listinfo/firewalls > _______________________________________________ Firewalls mailing list [EMAIL PROTECTED] http://lists.gnac.net/mailman/listinfo/firewalls
