Re: RDC port change



Interesting...

Personally I have no issues with UPnP and have my router configured with UPnP enabled...

Your right the pay SSH packages, like this one...

http://www.wissh.com/

....are nice. Being a home user I look for free solutions first...:-)

--

Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no rights...


"markus" <mark@xxxxxxxxxx> wrote in message news:eezk5tfbFHA.3416@xxxxxxxxxxxxxxxxxxxxxxx
> For port redirectioin to work, UpnP has to be turned on. No experience with that, except I've
> always heard to be very very leary about it......? look at this..
> http://www.goland.org/Tech/upnp_security_flaws.htm
>
> As for the SSH, I use SSh myself and for my clients where I can. I like WINSSH from bitvise. not
> free, but nice and a very nice client too. Supports tftp, automatically opens an RDC connection
> for you... etc.
>
> But these guys don't want to spend any money.....
> and, the real kicker, and maybe you can give some advice on this, is that the owner uses a
> Powerbook at home and needs to attach (rdc) to his work system. There is a mac client, so that
> works fine....
> But I can't find a MAC client to connect to the SSH server (Im no expert on SSH)....
> nor can i find a way, using SBS2003 and RWW, for a mac to to be able to do remote control...... It
> requires an active x control and I know of no way to get a mac to use an active x control. Is
> there a way to this?
>
> By the way lol, the problem with the RDC port is fixed, it seems....
> Today, I connected to the server at the problem office. used WINSSH. From there I VNC'd to the
> problem PC.
> I also downloaded portQuery from MS. A useful little program... anyway, i VNC'd to the bad PC,
> changed the port number and then rebooted it........................I then VNC'd back into it and
> logged on as the regular user.
> back at my home PC, i then tried to connect to it via RDC...... no go.
> back at the w/s, at command prompt, I ran netstat -a It told me the system was
> listening on 3391 Hmmm
> back at the server, at a command prompt, I type telnet thatpc 3391 I'm
> attached, no problem.. ok, then it's working, right? back at home, tried RDC in again.... no go,
> times out, cant connect....
>
> Back at the server, I run portquery, put in the IP and port...................cant connect....
> I say WTF????? and other colorful epethets (sp)... and try portquery again..... it
> works........wow
> back at home, i rdc in. it works.. from other pc's, it works................the sun comes out,
> the flowers bloom...........and mine is not to wonder why. end of story.
>
>
> "Sooner Al [MVP]" <SoonerAl@xxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:u0y%23WVebFHA.1044@xxxxxxxxxxxxxxxxxxxxxxx
>> What kind of router is your network front end to the internet? The reason I ask is you might try
>> port redirection through the router...
>>
>> Example:
>>
>> TCP Port 3389 -> TCP Port 3389 PC1
>> TCP Port 3390 -> TCP Port 3389 PC2
>> TCP Port 3391 -> TCP Port 3389 PC3
>> Etc...
>>
>> See this illustrated on this page for both the old Windows ICF and a Linksys BEFSR41...
>>
>> http://theillustratednetwork.mvps.org/RemoteDesktop/Multiple_PC_RD.html
>>
>> Another alternative, and one which I use, is through a SSH tunnel...
>>
>> http://theillustratednetwork.mvps.org/RemoteDesktop/SSH-RDP-VNC/RemoteDesktopVNCandSSH.html
>>
>> --
>>
>> Al Jarvi (MS-MVP Windows Networking)
>>
>> Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
>> The MS-MVP Program - http://mvp.support.microsoft.com
>> This posting is provided "AS IS" with no warranties, and confers no rights...
>>
>>
>> "markus" <mark@xxxxxxxxxx> wrote in message news:e%23RxrQebFHA.3492@xxxxxxxxxxxxxxxxxxxxxxx
>>> yep, I need to change the listening port because we have 3 remote users who need to remote into
>>> their PC's. VPN is just not an option.
>>> another kicker is that I can telnet into the affected pc on whatever port I setup and that works
>>> fine. It's not a firewall problem... maybe time to reinstall windows, as it makes no sense.
>>>
>>> "Sooner Al [MVP]" <SoonerAl@xxxxxxxxxxxxxxxxxxxxx> wrote in message
>>> news:eKihaLbbFHA.1456@xxxxxxxxxxxxxxxxxxxxxxx
>>>> Why do you need to change the listening port? The reason I ask is that you can address the PC
>>>> internally over your local LAN using TCP Port 3389 and it works... So, are you changing because
>>>> you need remote access? If so, why not VPN into your corporate network and access the PC using
>>>> the default port.
>>>>
>>>> Beyond that it still, at least to me, sounds like there is a software firewall, or some other
>>>> security software program, running on that PC that is blocking the RDP connection...
>>>>
>>>> --
>>>>
>>>> Al Jarvi (MS-MVP Windows Networking)
>>>>
>>>> Please post *ALL* questions and replies to the news group for the mutual benefit of all of
>>>> us...
>>>> The MS-MVP Program - http://mvp.support.microsoft.com
>>>> This posting is provided "AS IS" with no warranties, and confers no rights...
>>>>
>>>>
>>>> "markus" <mark@xxxxxxxxxx> wrote in message news:ODycdRXbFHA.3032@xxxxxxxxxxxxxxxxxxxxxxx
>>>>> thanks for the response.
>>>>> As I said, it works correctly when the port is the default port 3389. So the firewall must be
>>>>> allright..and in fact it is turned off, and has been all thru testing. (just as a addition.. I
>>>>> can use VNC to connect to the system. The windows firewall will definately block VNC if it is
>>>>> turned on. Since VNC works, I am sure that the firewall is in fact off)
>>>>>
>>>>> Really, everything is configured correctly. I've done this many, many times. I've redone this
>>>>> one several times now. I can even do a netstat -a on the affected system, and it shows the
>>>>> system listening on whatever port I have set. There is no earthly reason the damn thing won't
>>>>> work.....lol I'm inside the corporate firewall, so that is out of the pic too...
>>>>> sometimes, I just hate computers....
>>>>>
>>>>> "Sooner Al" <SoonerAl@xxxxxxxxxxxxxxxxxxxxx> wrote in message
>>>>> news:1118385672@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>>>>> Reply to message from "markus" <mark@xxxxxxxxxx> (Thu, 09 Jun 2005 20:29:58) about "RDC
>>>>>> port change":
>>>>>>
>>>>>> > On my internal network (not dealing with routers or 'extra'net at all....
>>>>>>
>>>>>> > I need to change the listening port for RDC on this xp pro system. (I have 2 of the
>>>>>> > exact same systems, btw. On the second system, the problem I am having here does not
>>>>>> > exist, I can change the port and it works just fine)
>>>>>>
>>>>>> > I know how to change the listening port. I have done so on several systems.. On this
>>>>>> > system, I change the port and then reboot it. I go back into regedit and it says the
>>>>>> > port is changed. But I cannot connect to it on that port. It simply times out with no
>>>>>> > connection. If I change the port back to the default (3389) and make NO other changes,
>>>>>> > then it works just fine.
>>>>>>
>>>>>> > If I go to the other system and change the port in exactly the same way, it works
>>>>>> > fine.. I can open the RDC client and connect with no issue (the connection is in the
>>>>>> > form of "this-PC:
>>>>>> > 3391" ) where 3391 is the
>>>>>> > # of the port I have changed it to and this-pc is the name of the PC I am attaching
>>>>>> > to...
>>>>>>
>>>>>> > I have also tried using the IP address of the system to no avail. I can ping this-pc
>>>>>> > with no problem. This-pc attaches to the network and is fine..
>>>>>>
>>>>>> > It simply will not work if I am using any other than the default port.
>>>>>>
>>>>>> > Everything IS configured right.
>>>>>>
>>>>>> > I do the exact same thing on 2 different systems. One works correctly, one does not.
>>>>>> > (attaching from a 3rd system)
>>>>>>
>>>>>> > The 'bad' system works with the default port of 3389 but does not work with any other
>>>>>> > port.
>>>>>>
>>>>>> > I change the port.. I then reboot the system. It IS configured to allow remote access
>>>>>> > it is XP pro, SP2 with all the updates.
>>>>>>
>>>>>> > Anyone ever hear of something like this? Any ideas how to fix it?
>>>>>>
>>>>>> > thanks
>>>>>>
>>>>>> Are you running the Windows Firewall on the failing Pc? If so, did you modify the firewall
>>>>>> "Exceptions" window to account for the new listening port?
>>>>>>
>>>>>> ------
>>>>>> Al Jarvi (MS-MVP Windows Networking)
>>>>>>
>>>>>> === Posted with Qusnetsoft NewsReader 3.3 for the PocketPC
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>


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