Oluwaseyi writes;
How can I block direct telnet access into my exchange 2000 server. Please
any help will be highly appreciated
Seyi AFAIK you can't make a telnet connection to port 23 of a vanilla
2K/exchange 2K server. You'd get connect failed or similar. I have no
idea of the actual
]]
Sent: Tuesday, March 05, 2002 1:54 PM
To: [EMAIL PROTECTED]
Subject:Re: [ActiveDir] Blocking direct telnet access
Oluwaseyi writes;
How can I block direct telnet access into my exchange 2000 server. Please
any help will be highly appreciated
Seyi AFAIK you can't make a telnet
Block SMTP and POP3 on your firewall then.
-Original Message-
From: Oluwaseyi Owoeye [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 05, 2002 7:55 AM
To: [EMAIL PROTECTED]
Subject: RE: [ActiveDir] Blocking direct telnet access
What I want to do is to block people from being able
05, 2002 2:04 PM
To: '[EMAIL PROTECTED]'
Subject:RE: [ActiveDir] Blocking direct telnet access
Block SMTP and POP3 on your firewall then.
-Original Message-
From: Oluwaseyi Owoeye [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 05, 2002 7:55 AM
To: [EMAIL PROTECTED]
Subject: RE
Exactly.
You've answered you own question.
-Original Message-
From: Oluwaseyi Owoeye [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 05, 2002 8:04 AM
To: [EMAIL PROTECTED]
Subject: RE: [ActiveDir] Blocking direct telnet access
If I block SMTP AND POP3 on my firewall, my exchange
,
but it is less likely an occurrence.
- Original Message -
From: Oluwaseyi Owoeye [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, March 05, 2002 8:03 AM
Subject: RE: [ActiveDir] Blocking direct telnet access
If I block SMTP AND POP3 on my firewall, my exchange server will not be able
It is a bit hopeless to try and block port 25 on a server that expects to
see mail from external hosts. As the others say it is very difficult (I
hesitate to say impossible, if you have enough monkeys and typewriters) to
detect whether an SMTP connection comes from a telnet application or