Linux - NetworkingThis forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.
Notices
Welcome to LinuxQuestions.org, a friendly and active Linux Community.
You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!
Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.
Having a problem logging in? Please visit this page to clear all LQ-related cookies.
Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use.
Exclusive for LQ members, get up to 45% off per month. Click here for more info.
In my company we have a lab(does not belong my companys corporate network. differnet network) with 6 systems.I wish to take the remote of one of the lab systems from my cubicle(companys corporate network)..The lab has a separate Broadband connection (Beetel ADSL Router)mainly for R and D purposes.I have Fedora installed on the remote system(lab system).I have installed Real Vnc server on the lab system.I port forwarded port 5900 of the router to port 5900 on the machine to be taken as remote. .I am able to take the remote desktop from someother machine within the lab lan as well as from my home in Chennai or from anyother browsing center for that matter.But the requirement is that I need to take the remote of that lab system from my company's corporate network that runs a firewall.The firewall blocks all outgoing connections to port 5900 on which vnc server installed on the lab system listens.So i am unable to take the remote of the lab system from the corporate network using the vnc viewer.I even tried port forwarding port 80 of the router to port 5900 of my lab but that din help as well...
Can anyone please provide me a permanentt solution so that I can bypass the corporate firewall and take the remote of the lab system from the corporate network?
I've browsed through a lot and nothing seems to work...I am very upset.I tried ssh tunnelling but even that does n seem to work..I am helpless and my eyes literally burn browsing all night..Help pls...........
An obvious concern for anyone here is whether you are trying to do any of this without the company's knowledge or consent. Have you discussed this with the IT department, Systems admin, etc.?
The bureaucratic answer is that whoever set up the network would presumably know how to change it.
I don think teh network management group in my system would concentrate on all this and we cannot go behind them asking all this . And the requirement is with the consent of my manager.So I don think this si something unethical or so..My manager asked me to do this for some purpose...Pls help
I have a very similiar situation where I work. The lab PCs connect to Linux servers that connect to the corporate LAN.
I have Samba running on the servers, with data directories from the lab PCs mounted on the Linux servers. From the corporate LAN it is possible to log in to the Linux servers and access these shares.
I also have VNC servers running on the lab PCs and have entries in my iptables based firewall scripts on the servers to port forward to the appropriate NAT attached lab PC for remote desktop control. Users can access the remote desktop via a browser on their desktop PC connected to the corporate LAN.
I am unclear as to your actual network layout. Is your Fedora system acting as a server for your lab PCs that form a NAT attached intranet?
If so, then my setup should also work in your situation. I do not think that your corporate LAN administrators will be blocking ports 5800 and 5900 for internal traffic on the corporate LAN behind the corporate firewall.
Firewall Preventing outgoing connection to VNC Server(Soln:SSH Tunnellling via Putty)
Hi friends
Finally I am done with my requirement.I used vnc with putty and I was able to break the corporate firewall as the outgoing traffic is encrypted using SSH tunnelling via putty.
Next time you face corporate firewall problems preventing you to ssh to any system outside your lan in the internet the best solution is to tunnel your outgoing traffic via putty.
LinuxQuestions.org is looking for people interested in writing
Editorials, Articles, Reviews, and more. If you'd like to contribute
content, let us know.