Question

Remote Access

Asked by: dakeys

I am currentely on a network that will not allow me to Pc Anywhere or Remote Desktop anywhere. I know normally with PC Anywhere and RDP there has to be ports open on the router, but here they have locked us out.

I'm trying to find a program that will allow me to connect to my house pc from my office.

Do all remote programs have to have special ports open in order for them to work?

thanks in advance

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Asked On
2005-10-27 at 05:10:27ID21610003
Tags

port

,

remote

,

access

Topics

Miscellaneous Networking

,

Remote Desktop/Terminal Services

Participating Experts
5
Points
300
Comments
21

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Answers

 

by: harbor235Posted on 2005-10-27 at 05:17:17ID: 15169839

yes, try using the microsoft native program, terminal services, tcp port 3389.

harbor235 ;}

 

by: pseudocyberPosted on 2005-10-27 at 05:19:02ID: 15169851

You need a proxy server connection.  This would let you "tunnel" through an open port, like 80.

Check out:  http://theproxyconnection.com/

 

by: r_naren22atyahooPosted on 2005-10-27 at 05:19:09ID: 15169852

OK you are right, all the remote programs have different ports in order to work.

however there is a work around!!!!!!!!! :)
we can change the ports on the remote desktop server, you can use a popular port 80 or 443 which is allowed from your office network to access the internet.

buy this you can access the your home computer remotely
the modifications are at
1  home router
2. home PC
3. very small change at your office desktop

regards
Naren

 

by: pseudocyberPosted on 2005-10-27 at 05:21:24ID: 15169867

>>we can change the ports on the remote desktop server, you can use a popular port 80 or 443 which is allowed from your office network to access the internet.

Bad idea.  This would open your computer wide open for hackers.

 

by: r_naren22atyahooPosted on 2005-10-27 at 05:24:39ID: 15169884

This is intresting!!!

We must open a port for using RDP at router, what is the proplem in using a differnet port than the normal one.

the risk is same if you use either of those ports

regards
Naren

 

by: Naser72Posted on 2005-10-27 at 05:26:41ID: 15169902

Well, i'm not pretty sure about the answer, but i believe yes.
I may recommend Netsupport for your requirement, it's easy to install, Configure, and to use:

Try it:

http://www.experts-exchange.com/Networking/Q_21596419.html

Let me know.

Naser

 

by: pseudocyberPosted on 2005-10-27 at 05:27:21ID: 15169906

80 and 443 are commonly scanned and used by different apps.  If you picked 80, any newbie hacker could detect it was open and then see what else they could get away with on a most likely not-so-up-to-date patched machine.

True, an open port is an open port.  But some are more vulnerable than others.

 

by: Naser72Posted on 2005-10-27 at 05:29:35ID: 15169924

WOW guys you are so fast, did anyone notice the time diff between our answers!!! LOL

I was typing the answer and then ....bomm i found 5 answers infront of mine.

 

by: r_naren22atyahooPosted on 2005-10-27 at 05:35:45ID: 15169967

pseudocyber, I accept you comment

However, you should know that the RDP, 80 and 443 are all well know ports

The best way is to pick a different port, but the problem is all those ports are blocked at the office router

regards
Naren

 

by: pseudocyberPosted on 2005-10-27 at 05:37:35ID: 15169979

I know they're all well known ports.  He/She needs to tunnel out an open port (like 80 or 443) to a proxy which will "translate" the tunnel to the correct port.  Hence, my original suggestion.

 

by: dakeysPosted on 2005-10-27 at 05:38:18ID: 15169989

Holy crap, adding on to what was said above, you GUYS are FAST.......

I'm going to read over all the post and try some out, i will let you guys know how I do.....

 

by: dakeysPosted on 2005-10-27 at 06:29:33ID: 15170462

Naser72,
I tried downloading netsupport and I don't think this would work for me, it is still asking to open up a port number which I cannot do at my job.

is this correct?

 

by: simonenticottPosted on 2005-10-27 at 06:30:55ID: 15170474

You need to be careful,
if you did this on my company network and got caught (which isn't difficult) you would likely be sacked for deliberately bypassing the company security policies.

 

by: dakeysPosted on 2005-10-27 at 06:40:03ID: 15170565

so is there anyway that i won't raise a red flag

 

by: pseudocyberPosted on 2005-10-27 at 06:45:01ID: 15170628

Disconnect from the network and use a dial up connection.

 

by: Naser72Posted on 2005-10-27 at 06:48:25ID: 15170664

Try to be pateint, and read its manual carefully, i'm using it for along time and i'm still not aware with all of its features it's huge and amazing.

I believe yes, and here are the ports you should open:

5405/tcp
5405/udp

The Question is? Why you are concern about opening ports, if you need a help we can guide you, just let us know your Net settings, by telling us how you are connected to the internet, or the way you wanted to connect to your PC @ home from your company LAN.

Let us know.

Naser

 

by: Naser72Posted on 2005-10-27 at 06:50:58ID: 15170694

As per pseudocyber Posts, it's the alternative solution, and i agree with him, that's where i mention >>the way you wanted to connect to your PC @ home from your company LAN

 

by: simonenticottPosted on 2005-10-27 at 06:56:00ID: 15170742

That depends a lot of the sysadmin, the kit he's using, the monitoring systems he has in place and how attentive he is.  
Most of that info you wont know, but they've taken the time to block you so probably have a good idea of these things.  

Have you considered the very fact of reading this web page (or e-mail) may have already triggered one of the perimeter filters and sent an alert to the admins for having words such as 'proxy' or tunnel' etc.

;)

 

by: r_naren22atyahooPosted on 2005-10-27 at 06:56:15ID: 15170746

as from my experiance,
My guess is the ports 80, 443, 8080, 8000 and the last 81(not widely used) could be open on your office router, and there wont be any problem if you are using those ports, unless some one deleberately evesdrop on you work station.

Next
what is your home router model,

 

by: pseudocyberPosted on 2005-10-27 at 06:59:53ID: 15170785

Some good firewalls, can look into port 80 traffic and determine if other apps are tunnelling.  Checkpoint can do this.  Regardless it's risky in a corporate environment.

 

by: dakeysPosted on 2005-10-27 at 07:26:14ID: 15171026

Understood,
its not worth the risk

20120131-EE-VQP-002

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