You can't block telnet to port 25 you can either block port 25 or port 23 but thats it. SMTP is a mail protocol it does not care how the connection to the IP/port pair was established as long as it follows the SMTP protocol(i.e issues Helo, Mail From: Rcpt To: etc.)
At 04:14 PM 4/10/2002 +0545, Binaya D. Joshi wrote: >blocking telnet to port 25 in mail server... huh ??? > > if so; may be this be the last mail u r be receiving :) > > > >B.D.Joshi > > >On Wed, 10 Apr 2002, Chris Lee wrote: > > > If you want mail to through, you can't. > > > > Chris > > > > Sayed Peerzade wrote: > > > > > Hello, > > > > > > I'm systems engineer in an ISP handling mail servers, i also handle > > > checkpoint. > > > pls tell me how to block telnet to port 25, keeping normal telnet to > > > perform normally on mail server (netscape messaging server running on > > > solaris OS)) > > > u can tell me method to block either in checkpoint or on mail server > > > itself. > > > Thanks and regards. > > > > > > Sayed K.Peerzade. > > > > > > _______________________________________________ > > > 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 _______________________________________________ Firewalls mailing list [EMAIL PROTECTED] For Account Management (unsubscribe, get/change password, etc) Please go to: http://lists.gnac.net/mailman/listinfo/firewalls
