20 Sep
2006
20 Sep
'06
6:54 p.m.
Alexander Dalloz wrote:
John Hinton schrieb:
On Wed, 2006-09-20 at 05:12, abhishek singh wrote:
yes i am using SMTP Authentication , but when i m doing telnet to my server on 25 port so i am able to send mail by unknow user that in in not my mail server like
[ snip ]
Do you have telnet open to the outside world? If so kill it and only allow ssh with the proper extra security setup. You may need to open telnet for a little while for testing purposes, but don't leave it that way.
What has using the telnet client for testing a daemon on a tcp port to do with running a telnet daemon? Answer: nothing.
John Hinton
Alexander
My bad. I didn't know you could do that! I had always started the telnet service before even trying!
John Hinton