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0answers
34 views

Accessing Windows VMs on Linux hosts remotely

At one of my work sites, we have a set of Linux servers, one of which acts as the main router. On another Linux server inside the network, I'm running Server 2012 in a VM. The Remote Desktop of the VM ...
1
vote
1answer
382 views

Does hole punching require a UDP rendezvous server Or could it be a TCP one?

I'm trying to get my head wrap around this issue... I would like to connect two users... Those users are already connected to a TCP server, which is aware of both public ip and connection TCP port. ...
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2answers
28 views

Client server commuincation

When a client communicates with the server, the destination port of the traffic sent to the server, is say x, while the source port is a random number say y. While establishing multiple connections ...
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1answer
196 views

Secure Microsoft Active Directory DC to DC communications through firewall boundaries

We are currently looking to flatten our AD structure a bit to make things a bit more manageable, but we still want to keep our security posture as near as possible to where it is now. Currently, we ...
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2answers
1k views

Survey of typical open ports / accessible through firewalls?

I am setting up a software on a dedicated machine that I would like to be accessible from most places, through corporate firewalls, etc. I need to specify two ports for the software and I'm looking ...
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1answer
64 views

Find out all the firewalls [closed]

could you tell me how to find out all the firewalls that are installed on my system Ubuntu 10.04 and on external hardware and which of them is blocking port 80? thank you
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1answer
502 views

SuperMicro IPMI through OpenBSD PF Firewall

I'm trying to access a SuperMicro IPMI card that is behind an OpenBSD bridged firewall. A couple pieces of information: The OpenBSD firewall itself has a SuperMicro IPMI that I can access across ...
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votes
4answers
449 views

What ports tend to be unfiltered by boneheaded firewalls?

I like to be able to ssh into my server (shocking, I know). The problem comes when I'm traveling, where I face a variety of firewalls in hotels and other institutions, having a variety of ...
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2answers
2k views

Running multiple services on Port 443, Tunnel SSH over HTTPS

Situation: I want to tunnel SSH sessions through HTTPS. I have a very restrictive firewall/proxy which only allows HTTP, FTP and HTTPS traffic. What works: Setting up a tunnel through the proxy to a ...
0
votes
4answers
754 views

Is there a way to connect to port 80 on my VPS and have my VPS forward that to another port?

I'm not sure if I'm using the correct term. Where I work the only open port is port 80. I'm trying to stream music over internet radio, which uses port 8080. Is there a way to have my VPS connect to ...