A peer-to-peer (abbreviated to P2P) computer network is one in which each computer in the network can act as a client or server for the other computers in the network, allowing shared access to various resources such as files, peripherals, and sensors without the need for a central server.

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How can illegal downloads (not file sharing) be detected?

I understand that copyright holders can identify illegal filesharing over BitTorrent by simply taking part in the sharing process and noting IPs of peers. But how do they detect illegal downloads ...
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4answers
313 views

Is webRTC safe against man in the middle attacks?

We are implementing an open source software package (copay, a multisig bitcoin wallet), that uses peerJS, which uses webRTC to allow peer-to-peer communication between browsers. peerJS (and webRTC) ...
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61 views

Alternative to ICANN? [closed]

What are major DNS services offered that aren't state-controlled. Better yet, why can't we take Bitcoin's model and create a truly decentralized system with P2P DNS? I see potential reasons behind ...
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2answers
158 views

How do bots communicate in the zeus botnet?

I read on http://www.abuse.ch/?p=3499 that: ZeuS is now using an “IP list” which contains the IP addresses of other drones participating in the P2P botnet. An initial list of IP addresses is hardcoded ...
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1answer
328 views

WebRTC P2P SSL - Where are the keys generated?

My understanding is that with the WebRTC peer-to-peer data API, communications between peers are encrypted via a modified form of SSL. Where are the keys for the peer-to-peer SSL connection generated, ...
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40 views

Safely creating and communicating within a fully decentralized p2p network

I'm not entirely sure if this is the right place to ask this, and I'm also slightly fuzzy on how the p2p system works, so correct me if I'm wrong. I've been looking into the practical implications of ...
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81 views

P2P sharing of uniquely encrypted files

I need a way to share large, uniquely encrypted files (AES256) that are actually the same file when decrypted, through P2P, to optimize download speeds. For instance, a centralized server would ...
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2answers
1k views

Bittorrent Sync encryption

Sync, a new product from BitTorrent, Inc., has been cited as a viable alternative to other cloud-storage platforms. The Sync FAQ indicates that an encryption scheme is being used, but does not comment ...
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3answers
212 views

Is a file hash checking system 100% secure and non-bypassable/fakable?

I'm building an open source distributed (and partly offline replicated, as it's assumed that the network will be unstable) CMS and one of the core system 'job' will be to group all the files and ...
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0answers
96 views

Duration of torrent activity and ISP tracking [closed]

The only reason I use BitTorrent is to download Linux distros, Open source apps and large documentation files. My ISP contacted me once and warned me: Ok, you aren't downloading anything illegal ...
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3answers
805 views

Why P2P need portforwarding when behind NAT? [closed]

Correct me if I'm wrong, but for a node to participate in peer-to-peer, if it's behind a NAT, it most port forward to be able to connect. Why is the port forwarding necessary? I know there's ...
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168 views

Hiding Bittorent clients

One of the things that came out of the Snowden files, I believe, was that ISP's will monitor someone that has a bittorent client (uTorrent, qbittorrent etc.) installed on their PC, even if they don't ...
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58 views

Decentralized online shopping service [closed]

Would it be possible to create an online shopping service like Amazon (or Silk Road) but also to make it decentralized so there would no main server users would have to trust with their data? I ...
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2answers
121 views

Could server honesty be audited by remote peers without said peers having sole (or any) control of the server?

Suppose for some reason, you and your peers absolutely positively have know that a server is acting honestly. Could the server behaviour be audited remotely through some mechanism of randomly ...
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1answer
145 views

Danger of peer to peer software [closed]

I wanted to ask what are the risks of using P2P software. I found a lot of information on-line regarding the danger of file sharing but not about the software by itself. I am writing a mobile ...
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8answers
18k views

How to block some websites and torrent usage in a small office?

In my office there are approaximately 25 systems are connected through network and all having internet accessibility.but some people are missusing this facilities like downloading films from torrent ...
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2answers
89k views

What are the TCP/UDP ports used by torrent applications?

I want to block torrent traffic on my network because it is utilizing too much bandwidth and disrupted my network traffic. What port range should I use and what protocol TCP or UDP?
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3answers
267 views

What is a reasonable expiry for user authentication certificates?

This question is about a nearly decentralized P2P system with a centralized certificate authority where users can authenticate and receive a certificate on their public key and then can authenticate ...
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1answer
515 views

Can p2p use be traced by targeting a known individual rather than an offending IP Address?

My understanding of most filesharing lawsuits initiated by copyright holders is as follows: The monitoring agency will connect to a torrent swarm and collect the ip addresses of people downloading ...
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2answers
237 views

Is encryption of Onion Proxy possible?

I wanted to know that if we are using onion routing in P2P networks, and when the data comes from the provider to onion proxy(proxy connected with requester), the data is not any more encrypted, ...
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3answers
578 views

Privacy in torrents?

It seems that if you download a file via torrent, each downloader can see other downloaders IP addresses. I also noticed that my (windows) pc's name was sometimes displayed briefly. How does one keep ...
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1answer
704 views

Protecting peers communicating with WebRTC

For reference: WebRTC Homepage I've been really interested in these new RTC technologies that are coming out, specifically the fact that use the PeerConnection API to establish a connection between ...
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3answers
2k views

Is a 512 bit RSA key secure when used temporary?

Is a 512 bit RSA key secure when a new key gets generated and used approximately once a week? The key is only used for signing messages, not for encrypting sensitive data. This is for a system where ...
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1answer
322 views

Are man-in-the-middle attacks against p2p systems realistic?

I'm implementing a DHT based on Kademlia following this paper. The protocol described in this paper uses nonces to protect against man-in-the-middle attacks. The disadvantage is that latency gets ...
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76 views

Is it possible to attack system through torrent usage? [duplicate]

Possible Duplicate: What can do a hacker with ip address? I am using the Torrent for Downloading the Music and other files. I heard that using Torrent can give IPAddress information to ...
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2answers
3k views

How effectively can ISPs detect illegal file sharing?

Recently the USA passed a law requiring ISPs to spy on their customers' internet connections to check for illegal file sharing. I assume that they would do this by sniffing packets, but doesn't this ...
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1answer
629 views

Creating a DDoS attack using DirectConnect

I have been trying to hack around with Apex DirectConnect. What I wish to do is to utilize the querying nature of P2P apps like DC to generate a DDoS attack (see links for reference here, here and ...
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1answer
7k views

How does pfsense block torrent traffic?

I know that pfsense is a very effective tool for restricting bit torrent traffic. I was wondering how it actually manages to do that ? There's not much information available on this. The more ...
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3answers
422 views

Repudiation in Copyright Infringement (BitTorrent)

Seeing this question : How can alleged illegal downloading be detected? sparked a question I have had for a long time. How does repudiation/non-repudiation work in such cases ? Argument: It is known ...
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2answers
519 views

How does the Copyright Alert System work? Who has implemented it?

Some ISPs are participating in a Copyright Alert System that notifies content authors of violations of their copyright. I'm concerned how this oversight relates to my private traffic, and what laws ...
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3answers
459 views

Privacy issues in Peer to Peer networks

In any typical P2P file sharing app, say DC++, the typical operations are search content, push content and pull content. A peer node broadcasts/multicasts its query to fellow peers and receives ...
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1answer
560 views

What is known about the sirefef/zeroaccess malware/botnet?

There appears to be an increase in p2p communication among botnets that has been attributed to the sirefef/zeroaccess malware botnet. What is known on this particular threat?
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4answers
736 views

Detecting malware hidden in P2P traffic

Consider a network situation involving (only) Peer to Peer traffic in medium sized network. For the sake of convenience, a simple P2P application like DC++ may be assumed, although I am aiming at a ...
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2answers
2k views

how to identify p2p on network

Im trying to work out if the traffic in the below image is P2P file sharing? If you notice the source ports are all random but the time 17.24 from c.port 58338 runs for a good length maybe about 400 ...
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2answers
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Does portforwarding present a risk to anonymity?

AirVPN by default has all ports closed but allows port-forwarding. I think this is required for P2P. Is this a threat to anonymity (e.g. would the person at the other end of the P2P transmission know ...
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1answer
1k views

proxy services for torrents vs encrypting data

I've noticed growing popularity in proxy services for torrent clients; such as BTGuard. Most torrent clients encrypt traffic so aren't these services pointless? I read that it's because the encryption ...
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176 views

What privacy methods exist for P2P transfers?

I love my VPN, it gives me to a certain extent privacy from isp & to what I connect. I also use P2P to get & provide data, but I would like to create a level of privacy. What methods exist ...
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353 views

Available alternative DNS protocol not another dark-net [closed]

Hi does any one knows any DNS alternative Protocols ? If so what is the most used ? Is easy to setup ? Is easy to have two DNS protocols one where you connect to the Common Internet and the other ...
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3answers
531 views

How far can we go in preventing videos from spreading out using P2P networks like BitTorrent?

Everyday, I see many of my friends downloading movies off P2P networks like BitTorrent. Isn't there any way for those hardworking movie producers to save their work from being distributed like this? ...