[isalist] Re: Telnet question
- From: "Dan Crain" <DanC@xxxxxxxxxxxx>
- To: <isalist@xxxxxxxxxxxxx>
- Date: Wed, 26 Sep 2007 15:59:16 -0400
Not quite sure what you mean by that...
________________________________
From: isalist-bounce@xxxxxxxxxxxxx on behalf of Thor (Hammer of God)
Sent: Wed 9/26/2007 1:13 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Telnet question
Sounds like he's trying to hit the external listener from inside or some such
issue...
t
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Thomas W Shinder
Sent: Wednesday, September 26, 2007 9:07 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Telnet question
Works for me:
220 exchange.titusville.com Microsoft ESMTP MAIL Service, Version:
6.0.3790.1830 ready at Wed, 26 Sep 2007 12:06:10 -04
00
help
214-This server supports the following commands:
214 HELO EHLO STARTTLS RCPT DATA RSET MAIL QUIT HELP AUTH TURN ETRN BDAT VRFY
bye
500 5.3.3 Unrecognized command
quit
221 2.0.0 exchange.titusville.com Service closing transmission channel
Connection to host lost.
Thomas W Shinder, M.D.
Site: www.isaserver.org <http://www.isaserver.org/>
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP -- Microsoft Firewalls (ISA)
________________________________
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Dan Crain
Sent: Wednesday, September 26, 2007 10:39 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Telnet question
I'm trying right from the exchange server too..which is a Windows 2003
server.
I'm using telnet exchange.titusville.com 25 it returns could not open
connection to host
________________________________
From: isalist-bounce@xxxxxxxxxxxxx on behalf of Gerald G. Young
Sent: Wed 9/26/2007 11:10 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Telnet question
Are you getting an error message when you attempt to use telnet on your
Vista box or is the command timing out.
To my knowledge, unless you elevate your rights on the Vista box
(right-click cmd.exe and select Run As Administrator) you can't use the tool,
assuming it has been installed.
Cordially yours,
Jerry G. Young II ++ Sent from BlackBerry ++
Application Engineer
Platform Engineering and Architecture
NTT America, an NTT Communications Company
22451 Shaw Rd.
Sterling, VA 20166
Office: 571-434-1319
Fax: 703-333-6749
Email: g.young@xxxxxxxx
----- Original Message -----
From: isalist-bounce@xxxxxxxxxxxxx <isalist-bounce@xxxxxxxxxxxxx>
To: isalist@xxxxxxxxxxxxx <isalist@xxxxxxxxxxxxx>
Sent: Wed Sep 26 11:04:49 2007
Subject: [isalist] Re: Telnet question
http://www.ISAserver.org <http://www.isaserver.org/>
-------------------------------------------------------
Internal box, my computer, which is Windows Vista, gateway is set to the
ISA server. I put it as the #1 rule, still no go. Nslookup works fine
and finds exchange.titusville.com, but of course that's a different
protocol.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Thor (Hammer of God)
Sent: Wednesday, September 26, 2007 10:32 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Telnet question
http://www.ISAserver.org <http://www.isaserver.org/>
-------------------------------------------------------
It would need to be before any deny rule that would prevent it from
being allowed. You're telnetting to 25 from an internal box and not the
ISA box itself, right? And the internal box either has the firewall
client installed or has the ISA box's internal IP set as it's default
gateway?
t
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-
> bounce@xxxxxxxxxxxxx] On Behalf Of Dan Crain
> Sent: Wednesday, September 26, 2007 7:22 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] Re: Telnet question
>
> http://www.ISAserver.org <http://www.isaserver.org/>
> -------------------------------------------------------
>
> Thanks...I put that rule in and it still won't telnet out...is there
an
> order it needs to be in?
>
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-
> bounce@xxxxxxxxxxxxx] On Behalf Of Thor (Hammer of God)
> Sent: Wednesday, September 26, 2007 9:26 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] Re: Telnet question
>
> http://www.ISAserver.org <http://www.isaserver.org/>
> -------------------------------------------------------
>
> Typically, you would only allow 25 out from the SMPT gateway itself
and
> not the entire internal network.
>
> If mail is working fine, consider creating a temporary rule for
> outbound TCP 25 from the internal network to the External network -
> perform
your
> testing, and then delete it...
>
> t
>
> > -----Original Message-----
> > From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-
> > bounce@xxxxxxxxxxxxx] On Behalf Of Dan Crain
> > Sent: Wednesday, September 26, 2007 6:18 AM
> > To: isalist@xxxxxxxxxxxxx
> > Subject: [isalist] Telnet question
> >
> > http://www.ISAserver.org <http://www.isaserver.org/>
> > -------------------------------------------------------
> >
> > Simple question for the pros...
> > I'm running ISA 2004.
> > Does it automatically block a telnet session. I'm having an issue
> > connecting to this one particular domain with my exchange server and
> > needed to do a telnet session with it but can't get connected with
it
> > inside the firewall. Port 25 is open on the firewall and from home I
> > can telnet to my server and the offending server.
> >
> > Do I have something configured wrong on the firewall?
> > Let me know what you think.
> > Thanks,
> > Dan Crain
> >
> > NOTE: The information contained in this message may be privileged
and
> > confidential and protected from disclosure. If the reader of this
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> > are hereby notified that any dissemination, distribution or copying
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> >
> >
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