Re: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Andy Grafton
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

RE: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Oluwaseyi Owoeye
]] 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

RE: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Andy David
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

RE: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Oluwaseyi Owoeye
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

RE: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Andy David
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

Re: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Nah Idee
, 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

Re: [ActiveDir] Blocking direct telnet access

2002-03-05 Thread Andy Grafton
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