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0answers
77 views

direct connect (back-to-back) two servers with 82599ES SFP+ NIC

I want to connect two linux-server directly without a switch, using two Intel based 82599ES X520-2 SFP+ cards. On both sides there are FTLX8571D3BCV-IT transceivers (1GB/10GB, SR). If I connect each ...
0
votes
1answer
61 views

What is the best way to divert an IP address between two remote locations?

I would like to ask the community thoughts on the following. I have two data centers, one up 'Norf, and one down South Both are isolated in terms of network, but both have public IPs on a dedicated ...
2
votes
3answers
143 views

Peer to peer communication in complicated multi-subnets LAN

We are developing a P2P application and stucked at the part of making communication between 2 peers which are in same local LAN but 2 different subnets. We know that there are a lot of cases that 2 ...
1
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0answers
77 views

2 IP cameras with same configuration but different behaviour

I have a Vodafone Station router, and 2 IP cameras connected to it through an Ethernet cable. Both have the same configuration. Both DHCP enabled, one has IP 192.168.1.10 with port 81 and the other ...
0
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0answers
79 views

bird4 - OSPF not learning/distributing /32 routes in hub-and-spoke topology

in my hub-and-spoke setup all the boxes are happily exchanging local LANs routes through bird4/OSPF. The links between the hub and the spokes are VPN p2p links and I need the address of every spoke's ...
1
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0answers
108 views

Connecting P2P over NAT?

I started to explore the option of connecting with other using a p2p connection, so I coded a simple socket program in JAVA for android devices in which the user in which the users can share simple ...
3
votes
2answers
639 views

Are there any Distributed/mesh-like/P2P VPNs?

I have my personal VPN, connecting several devices so they can have fixed IP addresses on an always-reachable network (as long as they are connected to the Internet). This is necessary for me, since ...
1
vote
1answer
127 views

How to connect to P2P clients behind a router?

Apologies if this question has been asked before, but I don't think any of the ones I've found are asking quite the same thing. I'm designing a simple P2P protocol whereby a known server provides ...
-4
votes
1answer
78 views

Can I use an external IP to make 2 internal IP's establish a TCP/UDP connection? [closed]

As I understood, in order to make a connection to an internal IP (behind NAT), the computer behind the internal IP have to send the request first before the other side will be able to answer it, So if ...
0
votes
1answer
141 views

peer to peer disk image transmission

Installing linux/windows through pxe works smoothly for me. But downloading images(especially windows) is a headache. Let alone the time, bandwith usage is horrible. And p2p tech comes to my mind. ...
0
votes
2answers
2k views

Point to Point Connection Between Two Hosts

I am trying to set up a point to point connection between two Linux host machines. I've connected both of them with crossover cable, but they can't ping each other. Here are the configurations for ...
-2
votes
2answers
387 views

How p2p softwares(skype, torrent ..) work when Firewall doesn't accept incoming connections? [closed]

there's no policy from internet to local network in Juniper firewall, but softwares like skype an torrent work without any problem. without any incoming policy how do these programs work ?
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vote
0answers
68 views

Nat Traversal, peers unable to communicate

I'm currently working on a project that requires NAT traversal but I seem to be running into difficulty. I have the following setup running for testing: R1, Verizon Fios router connected to the ...
3
votes
1answer
3k views

Fiber Channel Loop vs Point to Point

So, I'm playing with a couple of QLogic QLA2340s connected directly together. I've got options here to either have them act as a loop, or in point to point mode. What's the difference if I'm only ...
0
votes
3answers
313 views

TFS over Virtual Private Network (VPN) over P2P

[Note: I know this is a sloppy shot! I just want to cure my understanding about the P2P mesh.] Goal: I need to make my partner access the Team Foundation Server running on my local LAN, via the ...
1
vote
1answer
216 views

How to - UDP NAT traversal using BSD sockets

I have been reading the NAT traversal requiring the use of an external STUN server. There are few public STUN servers but I do not know how to use them to find out my public IP that can be used by the ...
0
votes
2answers
3k views

How to block torrents using ADSL modem? [closed]

I'm looking for a solution for a small office.
2
votes
2answers
547 views

Multicast IP Addresses

I posted this on StackOverflow and was told it might be more appropriate here. I'm having trouble understanding how multicast addresses work. First off, is it true that if I have N clients or peers ...
0
votes
1answer
1k views

iptables to throttle/slow down P2P

Is it possible to slow down/throttle P2P traffic using iptables. I am running IPtables on a Linux box which is a gateway to the intranet. Blocking P2P altogether seems to be rather difficult. So I ...
2
votes
2answers
1k views

Blocking HTTPS and P2P Traffic

I have a Debian server running at the gateway level on a LAN. This runs squid for creating block lists of websites - for eg. blocking social networking on the LAN. Also uses iptables. I am able to do ...
1
vote
1answer
912 views

How does Opera Unite setup a web server without port forwarding?

Opera Unite installs a web server on the user's computer and allows it to be accessible with end-to-end connectivity to the client - without port forwarding in the case of those behind routers. From ...
0
votes
2answers
148 views

Cloud like P2P setup

Why hasn't someone created a cloud setup, multiple computers acting like one, like p2p? Where one computer listens to multiple others in a collective then if one goes down is not a problem; it just ...
1
vote
2answers
411 views

Setup a secure Peer to Peer connection over WIFI?

In my company we sometimes setup PC in hard to reach places. These PCs have WIFI USB dongles, and I want to control them from my laptop using VNC. How do I setup a secure P2P connection over WIFI? ...
2
votes
2answers
2k views

Ports that are always open? How does softwares like bittorrent manage to communicate even without port forwarding?

How come bittorrent clients manage to communicate to servers and other peers even if the user has not configured port forwarding on their routers? Of course the speed will be reduced compared to ...
0
votes
3answers
421 views

Distinguishing between types of P2P traffic on a Packet Shaper

I attend and work at a university where we have a packet shaper (an old Packeteer -- 3-ish years old or so) which relegates P2P traffic to the lowest priority in the queue in order to prevent P2P ...
0
votes
3answers
7k views

How to block bittorrent but allow web surfing using ISA Server?

Given a public WiFi hotspot behind an ISA Sever and a single Internet address, which rules or content filters would be useful to achieve this configuration? Allow anonymous users to surf the web, ...
0
votes
1answer
724 views

Has anyone got Hamachi 2 working on EC2 Windows instances?

I have it running and can see the EC2 instance with a direct tunnel. However, I can't ping the EC2 instance nor can I browse the shared folders. I am sure of the following: - File sharing service is ...
1
vote
0answers
601 views

Setup MSSQL replication with peer to peer topology: problem setting up Conflict Detection

I'm setting up a SQL Replication strategy, using MSSQL2008 with peer-to-peer publications (2 servers, each one subscribes to the other). I followed this HOWTO from MSDN, and the setup seems to be ...
1
vote
9answers
9k views

Block p2p downloading in my office?

Well, I'm not sure how ethical this is, but I already posted this question to superuser and a poster suggested I move it over here. Very sorry if I'm breaking anybody's heart. Anyway, here's the ...
1
vote
3answers
2k views

Video conferencing and screensharing options for Windows [closed]

We are in need of conferencing solution for our Windows network. Due to security restrictions, the traffic all needs to stay within our LAN. The conferences would all be small and a peer-to-peer ...
0
votes
6answers
1k views

Are there any Thin Client software's for WinXP that block P2P and torrent? Except server-side installation

I want to block p2p and torrent connection without any firewall or server-side software installation. Most of all it is FREE. Thanks.
2
votes
5answers
1k views

VOIP and IM communication without a server

Typical enterprise VOIP solutions like MS Comm Server require a server computer to handle communications. Is there any program that can do it Peer-2-Peer (P2P) without a server, and directly call and ...
1
vote
2answers
2k views

Distributed VPN over Unreliable Networks

These two seem to be the closest to what I want: http://www.ntop.org/n2n/ OpenVPN with Quagga (OSPF) I will have servers behind routers/firewalls not in my control. Many may be ADSL or other budget ...
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votes
11answers
3k views

SOHO - throttle bittorrent traffic from problem users

I manage the network in a small office (SW dev is my "real job"), and there are a couple of users who beat the hell out of our internet connection by running bittorrent. Between the almost crippling ...