Hamachi - Secure mediated peer to peer (VPN)
I just found this: http://www.hamachi.cc/ after listening to Episode #18 (audio) review here 8O http://grc.com/securitynow.htm
All I can say is that it rocks :mrgreen: -kwag |
@Kwag,
I listened to audio #18 and from all that I could understand it's extremely secure for P2P connections. As for a practical use, could this be used as a remote client to run a computer like UltraVCN SC, or is this different. Some hamachi forum posts mentioned that the server that maintains the unique IP addresses will be trustworthy given what is known about this company. They do have future plans to develope your own server to provide this security. I'm interested in how WiFi can be used with Yellow Tuna and what would be some other examples using hamachi. :) -BP |
Hi BP,
I'll give you an example of how I'm using it. Right now, my home connection to the internet is via a wireless provider, who gives out private (Intranet) IP addresses. So I can not reach my home from the Internet, because lack of a public IP (it sits behind their NAT firewall). But :arrow: Never fear, because the tricks are here :rotf: As you know, I have an "Asterisk" PBX at home ( Asterisk@Home), and I no longer have "Ma Bell" phone company services :lol: So I can call out without any problems, but nobody could call me, because of the problem of the private IP address. Well, I just connected via an Asterisk IAX2 trunk from my box, to "Free World Dialup" (FWD), and then forwarded a free IPKall.com land line to my FWD number. So now I can receive calls from anyone in the world, even though I'm behind a firewall :cool: But now, back to the real case and question, which is accesing my home machine from the Internet. That's where the Yellow Tuna (Hamachi) comes in :D In the same machine I'm running at home for Asterisk, which is a CentOS Linux distribution BTW, I installed Hamachi Linux software. So now, I can be anywhere in the world and I can connect with my Windows notebook using the Hamachi Windows software, and I connect to a group I created at home. So basically I can now see my shared drives, and I can even run a SIP client on my notebook, using SIP protocol, and it works perfectly fine because I don't have to punch any firewall holes :!: It's truly amazing the way it works, just like the audio file you listened, and with comments like that coming from Leo Laporte (TechTV) and Steve Gibson (Gibson Research), you can be assured it's really a secure product :) Edit: As for your VNC question, for sure :!: go ahead and use it :D Just install Hamachi at all your clients, and then instead of connecting your VNC client in the wild ( public_address:port ) you would just connect to your customer's :arrow: Hamachi_IP_address:port and that's it :) Now all your VNC communication is encrypted via Hamachi point-to-point VPN ;) Just think of all the neat things you can do with this :idea: EDIT #2: BTW, here are some great "NAT Router Security Solutions" :) http://www.grc.com/nat/nat.htm -kwag |
@Kwag,
Here's my senerio with router setups: Quote:
for my pc since I'm using outdated WEP encryption which is easy to crack. Will this mean I don't need a software firewall ( I use kerio) :?: -BP |
Quote:
But you should still use a software firewall to detect your "outgoing connections", because the NAT firewalls block incomming, but all outgoing connections are NAT(ed) transparently. Go ahead and cascade as many as you want :lol: What you are describing is something like this: http://www.digitalfaq.com/archives/error.gif Ot this: http://www.digitalfaq.com/archives/error.gif Which is fully described in the article here :cool: http://www.grc.com/nat/nat.htm -kwag |
@Kwag,
Kwag wrote: Quote:
which shows what your saying. BTW, I copied their boradcasts as MP3 files and burned them to audio CD's. Example #14, 15, 17, 18, 19 are discussing VPN. When grouped by topic this was like getting a mini education. I also listened to #4, 5 about Personal Passwords :wink: -BP |
Quote:
Just excelent information :!: -kwag |
@Kwag,
This is new problem :? I have a customer who wants a WLAN setup and they need security and parental controls. It's the security that's giving me problems. Also, the WLAN is going to have internet access. I thought of "ipig", but it's very slow, I'm not sure hamachi allows multiple pc's to control software from a server simultaneously (sic). Do you have any ideas about security :?: -BP |
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