1
vote
1answer
131 views

Should I use non- standard Windows Azure Port Mappings?

When I configured Windows Azure VM last night I had to Edit Mappings in Azure Management portal. This is a process of opening a public port and mapping that to a private port. Its very simple but I ...
2
votes
1answer
554 views

Removing port forwardings programmatically on a ControlMaster SSH session

Quite a while ago I got an answer telling me how to add a port-forwarding on a running SSH ControlMaster process. To know that helps a lot, but I'm still missing a way to remove such a port forwarding ...
3
votes
2answers
1k views

How do I view Security Group rules for an AWS EC2 Security Group using the command-line tools?

I know that you can set Security Group rules with ec2-authorize and ec2-revoke. How do you view the rules of a given security group?
0
votes
3answers
10k views

Port 22 is closed even with Firewall turned off [closed]

I'm trying to open port 22 on my local machine (Windows 7 32 bit). I'm using a web tool to check if my port is open. It says that port 22 is closed. So I disabled firewall to see if it causes port to ...
2
votes
1answer
90 views

Can I change the port for SSH on a hosted server?

I am changing over to a hosted server and I want to use non-standard ports for SSH. Is this possible? Wouldn't I have to have access to the router, in order to forward ports?
0
votes
2answers
70 views

opening a port on a router to all WAN ip's or just a range or specific WAN IP

Just trying to see how many people would be in favor for opening a port on a router, like port 22 or something similar for ssh, to all outside WAN connections or just a set of specific WAN ip's for ...
1
vote
2answers
55 views

Forwarding large port range to machine inside network

I have router with public IP addres. What security breach (if any) am I creating by forwarding large port range (high port numbers only - above 50000) to one of computers inside network. All ports on ...
1
vote
1answer
178 views

SSH tunnel: can remote system take control of my PC?

that's the simple scenario: from pc A i open a tunnel SSH to a pc B. Can someone, on pc B, use this tunnel to enter or forwarding some protocol to pc A? Can i limit traffic to be generated only from ...
6
votes
1answer
719 views

Adding port forwardings programmatically on a ControlMaster SSH session

I just found out about the ControlMaster/ControlPath feature of OpenSSH, which allows you to use a single SSH connection to run multiple terminals. As I often use SSH to use port forwarding to get ...
1
vote
3answers
859 views

ssh port forwarding / security risk

I want to access a web application running on a web server behind my office firewall from an external machine. We have a bastion host running sshd that is accessible from the Internet. I want to ...
0
votes
2answers
623 views

Securing access through specific ports on public IP address

We have public IP address hosted on FreeBSD router. We have also a lot of service running inside our LAN network, some of our services need to be accessible outside our home network trough public IP ...