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Vonage The port is not enabled. If it were enabled, when sniffing for this port, it would
The port is not enabled. If it were enabled, when sniffing for this port, it would show as Open not Closed. All this tells someone is that a host exists at this IP. If all ports were stealth, then you would be almost invisible to the internet. Having closed ports in in no way a bad thing. The VDV21 by default will also not respond to IMCP so a ping sweep would not reveal you. Only someone who is sniffing for known ports on your IP or subnet would be able to verify your existence.
Open ports are visible and respond to probes. This could be highly dangerous because it will allow hackers to gain access to your system if they really wanted to.
Closed ports are visible but not open. Meaning that the ports are not in use. Applications cannot access to the network if the required ports are closed and therefore will not respond to requests.
Stealth ports are not visible and do not respond to probes.
If you are the paranoid type that insists on all your ports, being stealth, it requires the use of a real firewall. You can purchase a router and place the VDv21 behind it. However, if someone was to sniff your IP for all service ports, the person would still know that a host exists at this IP as your SIP port 1000 would be open making your host visible.
If you want to set up sudo 'Honey Pot" which is port forwarding to a dummy IP, just go to the Advanced Section in the VDV21 interface, then port forwarding and set TCP port 22 to forward to 192.168.15.254 which I am sure nothing on your network is using. A true 'Honey Pot' is forwarding to another machine hosting the service which allows the hacker to play around in a machine that has absolutely nothing on it and no connectivity to the rest of your LAN.
Just remember by doing this, if you ever had to work on an issue with Tech Support which required them to ssh to your device to capture data needed by the device Vendor, you would need to remove the port forwarding.
Read The Full Thread: V-Portal - Port 22?
• Hello,
After a series of tests I've concluded that the issue I'm having is
• Port 22 is used for secure shell for troubleshooting purposes but is disabled
• Could someone please go over with me the procedure for forwarding Port 22? I did
• OK, you did a good job telling us that port 22 can only be enabled by the used when
• If you want it stealthed then you need to put it behind another router or firewall
• tchmgr I don't know why you are wasting your time. You answered his question 3 times
• Well I did not answer his question in the original post since it was posted by someone
• :? I have been using a VDV21 for over a year, and recently moved to North Carolina
VonTechMgr posted "The port is not enabled. If it were enabled, when sniffing for this port, it would" on 11/01/2008 |
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