Unfortunately, I don't know what rule, I do not have administrative access to
the machine and the owners seem content to say that it's not a FW-1 problem.
They did say that they weren't even logging a connection to the machine. The
fw-1 box is not our gateway, it's simply the proxy machine we use to connect to
ftp/telnet outside of our intranet. i.e. we are using it to telnet outside of
our network, however to do this we need to supply a fw login and password which
I never make it to because the machine drops the connection immediately after
getting connected (/etc/issue is shown so the connection is initially
established which is verified by a tcpdump on the AIX client, then the Sun box
closes the connection, also shown by tcpdump from the AIX client.) Again, I'm
just looking to see if this has occurred with other FW-1 setups and if someone
else has encountered a problem between an AIX machine and a Sun System running
FW-1 for telnet proxy.
I really appreciate your help. Thanks!
Aaron
Robert MacDonald <[EMAIL PROTECTED]> on 06/05/2000 08:02:07 AM
To: Aaron Lineberger/USA/BAC@NationsBank
cc:
Subject: Re: [FW1] Telnet Proxy issues between Solaris and AIX
Aaron,
Sorry for the long wait between emails.
What rule drops the connection? I assume that the fw-1 box is your gateway. Are
you trying to talk to the fw or thru it? I'm not clear on the setup.
Robert
>>> <[EMAIL PROTECTED]> 6/2/00 1:07:23 PM >>>
>
>In /etc/services on the AIX client:
>telnet 23/tcp
>
>netstat will not show anything if I use telnet telnetproxy because it
>automatically drops the connection.
> If I use telnet telnetproxy 23 it shows the following:
>tcp 0 0 nvabc033e1.54092 varchvc02w3.bank.telne ESTABLISHED
>
>nvabc033e1 is the AIX client, varchvc02w3 is the Sun (telnetproxy is an alias
in
>3DNS which points to the closest FW-1 server.
>There are no issues connecting to the telnetproxy from any other OS other than
>AIX. There are no issues connecting from the AIX system to other systems that
>are not running FW-1.
>
>Regards,
>Aaron
>
>Robert MacDonald <[EMAIL PROTECTED]> on 06/02/2000 07:53:48 AM
>
>To: Aaron Lineberger/USA/BAC@NationsBank,
> [EMAIL PROTECTED]
>cc:
>Subject: Re: [FW1] Telnet Proxy issues between Solaris and AIX
>
>
>
>Aaron,
>
>What does netstat or /etc/services show for telnet on the client system? You
>have the name telnetproxy, why is it named this way( what proxy system is
>running)? Can a plain old system(Windows, Linux, etc) telnet to the Solaris
>system without specifying a port? Are you on a different subnet when you try
>this?
>
>Robert
>
>- -
>Robert P. MacDonald, Network Engineer
>G o r d o n F o o d S e r v i c e
>Voice: +1.616.261.7987 email: [EMAIL PROTECTED]
>
>>>> <[EMAIL PROTECTED]> 6/1/00 3:51:04 PM >>>
>>
>>I'm having an issue where FW-1 is running on a Solaris machine, and when I try
>>to telnet to the machine from an AIX 4.3.2 machine the connection is
>>automatically ended by the Solaris machine. (telnet telnetproxy) I'm certain
>>that this is not a Solaris/AIX communication issue because I can connect
>between
>>the AIX machine and another sun machine without FW-1 fine. When I telnet to
the
>>Solaris machine with FW-1 and specify port 23 the connection works fine.
>(telnet
>>telnetproxy 23) Has anyone else experienced this? Does anyone know if there is
>a
>>fix on either the AIX or FW-1 side for this issue? I have looked just about
>>everywhere and come up empty. BTW, I am not ruling out a problem with AIX
>telent
>>either since the FTP proxy portion works and this problem is associated with
>all
>>our AIX machines.
>>
>>TIA.
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