a Virtual Private Network is a private network that is built upon a public network, typically using encryption for to secure the private communication.

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VPN Tunnel Routing Question

I'm a little confused about how VPNs work ... I read that they provide an end-to-end encrypted tunnel between you and whoever you're trying to connect to but is that actually the case? VPNs let you ...
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2k views

Can wifi network administrators see through proxy servers?

I've looked at a lot of VPNs, and "what's my ip address" sites confirm that outsiders can't tell where I really am when I'm using them, but I haven't been able to get my own WiFi yet, so I don't know ...
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191 views

Securing a VPS network with a VPN and a DMZ

I've got several VPS boxes (Digital Ocean boxes w/Ubuntu) that I would like to lock down from the outside world. I want to have several private boxes (web servers, db servers, puppet/master boxes ...
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405 views

How to post comments on websites without being traced back

Just trying to get some general sense about the security on internet now-a-days. There are so many websites I go and comment on different things. If some comments are political and they don't like, I ...
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2answers
258 views

Repercussions of hacked router?

I am staying in Thailand right now on a "long holiday" to do some work on my laptop. A few weeks I noticed that at the condo where I am staying, sometimes I am redirected to ad sites. I researched it ...
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218 views

how to continuously caputre all my network traffic? [closed]

I've got a Linux desktop that will be a gateway between my private network and the open internet. I'd like it to capture and store all network traffic passing through it continuously, 24/7 (until the ...
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2answers
299 views

Is QuickVPN Secure

Does QuickVPN create a secure tunnel or how does it work to provide encryption and security? When I did a see my IP it was using the remote locations IP and not my office network's IP so does that ...
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1answer
11k views

Configure OpenVPN as a local proxy to use it only when needed

First, I think it is the proper place to post my question (and not serverfault or networkengineering). If not, please tell me what's the correct place. I used FreeGate. I configured the Firefox ...
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5k views

Is it safe to use VPNbook or similar sites? [duplicate]

Sometimes I need to use Internet from cybercafes or restaurants. I'm concerned about the security when accessing critical sites such as my bank, Paypal or just my Facebook. Besides the typical ...
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442 views

Is it necessary to use PEAP for L2TP/IPsec?

This is a sister question of Is EAP-MSCHAP v2 secure?. Based on my understanding, IPsec should have authenticated the server (we're using PKI) and secured the rest of the protocols before the user ...
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5answers
436 views

Manual DNS change

If I manually change my DNS setting in the router or in Windows settings from the provider's one to, say, 8.8.4.4 by Google - will it mean that my ISP has no idea which sites I am going to? Maybe it ...
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778 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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139 views

Is there a router that acts as a VPN to get into the network but also sends traffic out through a VPN?

I have several servers that I want to lock down so they're only assessable from inside the network so I need a router that allows me to VPN in. On top of that I want certain ports(22,8022) from my ...
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3k views

Is there a difference between a VTI and a regular VPN tunneling process?

Is there a difference between a VTI (Virtual Tunnel Interface) and a regular VPN tunneling process? Or have I got the whole concept wrong?
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3answers
432 views

What security protocols provide point-to-point confidentiality?

Am I right in thinking that VPN doesn't protect until you're out onto the external network (assuming you're connecting from within an internal network)? Or does VPN provide confidentiality from the ...
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25 views

Is a NAS vulnerable when VPN'd through dedicated server?

I'm concerned about the security of part of my home setup, but I'm quite unfamiliar with a lot of this so I thought I'd start out by saying what I'm trying to do, in case my solution is a poor one in ...
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1answer
110 views

Using VPN in the UAE - safe or trackable?

I'm currently in the United Arab Emirates, and I am wondering if Etisalat or the UAE can track what I am doing if I use the ZenMate VPN addon to Chrome?
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77 views

VPN protection against DDoS [closed]

I am thinking of getting a VON, for DDoS protection and other various things, though what if an attacker knows my real IP already?
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41 views

How do nested vpns through VM work?

Let's say I have 2 different VPN services (vpn1 and vpn2) both using OpenVPN and a Linux host running a guest VM. Now let's suppose I connect from the Linux host to vpn1. Then I connect from the ...
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62 views

How secure is L2TP+IPSEC?

I understand PPTP is widely used still, but insecure. A convenient alternative is: L2TP+IPSEC. How secure is it? What steps in the server setup can I take to maintain a high degree of compatibility ...
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154 views

VPN Server + Anonymity + Adblock for mobile Devices

In order to improve private security and anonymity while browsing the web on my mobile devices I wanted to tunnel all traffic to my own server via VPN and use a proxy software to filter unwanted ...
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0answers
21 views

Is it possible to combine VPN and TOR on the same connection? [duplicate]

I'm looking into using a Raspberry Pi 2 between my Router and my Modem acting as an VPN and possibly a TOR gateway (two-in-one). It should just be out-of-the-way and passively/transparently route all ...
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1answer
92 views

OpenVPN bridging vs routing: which is more secure?

I have read about the differences between routing and bridging in OpenVPN, but I haven't found much from a security perspective. Which of the two modes is more secure?
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456 views

Websites visited on a VPN network

My residence provide wifi and I'm using my personal computer to connect to it. I use a login and password to have access to internet. Some websites are blocked on it. Sometimes I log into VPN(using ...
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2answers
78 views

making online transactions over proxy

So I went over quite a lot of topics here and on the internet.. but I still can't seem to completely understand this issue. How secure really are services like proxies, VPN or VPS? VPN is promoted ...
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209 views

Configure icefloor to prevent leaks when VPN connected

I am trying to configure icefloor firewall on OS X 10.9 so as to make sure all traffic will go through VPN. I recently notified that even with "Route all traffic through vpn" option in tunnelblick ...
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1k views

Which is more secure - a VPN, a proxy-server, Tor, etc.? And why so, exactly? [closed]

I want to know how to ensure the most complete anonymity when browsing the internet and connecting to remote servers: I want to be as anonymous and secret as possible. I don't know exactly how VPNs ...
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530 views

How to securely delete an OpenVPN connection profile

I store my OpenVPN profile (keys) in an encrypted drive but I run OpenVPN inside an OS that is not encrypted. When I finish my OpenVPN session and disconnect, the connection profiles are still there ...
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130 views

Are VPNs using shared secret susceptible to trivial MITM attacks

I'm looking at a few VPN providers and many seem to offer L2TP VPN but they seem to share their shared secrets publicly on their website, for example : Goldenfrog ...
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52 views

What's The Easiest Way To Maintain Remote Users Access to a Webapp

Here is a real world case: A chain of high schools (several hundreds) has many websites (~ 3x number of Schools) that are content driven by users (the students). Every school maintains about 2-4 ...
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76 views

How did these websites see through the VPN tunnel? [duplicate]

I'm using privateineternetaccess to VPN my internet connection. Recently I've noticed some web sites appear to know my real location and IP address. The most alarming incident I've seem to have been ...
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2answers
400 views

How to uniquely identify / tag client devices to whitelist VPN access?

I'm just wondering if there is any way to uniquely identify or tag client devices like laptops and towers in order to whitelist them for vpn access. (Note: This is a thought-experiment at the moment, ...
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2answers
1k views

Best practices for operating a Bitcoin-Qt client regarding netwok privacy?

As privacy is part of security, I know there is a Bitcoin SE here but they couldn't answer my question so I hope it's appropriate to ask it here. I don't ask about how to secure my wallet on my ...
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430 views

How am I able to use Input Director when one machine is VPN'd into work?

So - I don't actually have a problem, but I'm really curious, because apparently VPN's don't work the way I thought they did. It was my impression that when I VPN into my office, my computer is ...
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131 views

understanding the point of VPNs

I can't really understand the concept of VPNs, since we already have various secure transmission protocols. Isn't the point of VPNs that people using its 'channels' can send encrypted data to each ...
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7k views

How to sniff traffic on my wireless network?

For educational purposes, I want to see what packages are sent over my home wifi with VPN on and off. What program should I use for this?
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3k views

Is OpenVPN secure in this way?

I'm familiar with OpenVPN because my home router has a builtin OpenVPN server. I would like to use OpenVPN all the time, but how do I deal with situations where I don't own the routers? ex.: in a ...
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4answers
587 views

Anonymity through Tor over VPN [closed]

I want to do some research on network anonymity. Assume that I am careful enough not to disclose any personal information while connected to an anonymous network. If I run a system that uses TOR ...
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2answers
81 views

Remote administration methods

There is a requirement for users to remotely access one of my corporate servers from internet. Policy wise, i would want them to at least use 2FA for communication,eg VPN Tokens, password+SMS etc. ...
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663 views

Is a VPN anonymous enough or do I also need to use TOR?

Is an anonymous VPN (like frootvpn) all I need to remain anonymous online or do I also need to use TOR or take other measures?
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2k views

Can you still be tracked when using a VPN?

If I am using a VPN on twitter, can an organisation like Anonymous or Lulzec track me and find out my identity?
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3k views

Are VPNs/proxies legal? [closed]

Are VPNs/proxies (and VPN/proxy software such as Tunnelblick and Hola) legal in the U.S., assuming that you are doing legitimate activities on the Internet (i.e. nothing illegal)?
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735 views

Can people use AES VPN tunnels to hide their activities from authorities?

I have read an article about programmers who use AES VPN tunnels when working remotely with clients from other countries. The article writes that this way their countries are unable to track their ...
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2answers
140 views

Is using an free and anonymous VPN service safe? [closed]

There are VPN services that are totally free and high speed vpn which makes me think, how can they offer such a service for free without ads nor donations? Is using this VPN safe? Regarding my ...
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1answer
127 views

What does this mismatching SSL certificate hint at?

I'm currently visiting China, and I use a well known VPN service for both my laptop and my phone. Every now and then, I get certificate errors when using my phone when I'm connected to a VPN, but ...
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1answer
2k views

SFTP or FTP through VPN?

I'm struggling to find out whether or not I should set up SFTP since I already connect to the internet using a secure VPN. Is the security using FTP through a VPN (using OpenVPN, more specifically ...
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2answers
167 views

Monitoring user use VPN

If there is an employee uses the internet through an internal proxy in his company, and he use a paid VPN service to browse safely, can IT side be able to monitor his behavior?
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2answers
417 views

Questions on IDS, IPS, VLANs and VPN [closed]

I have a network that has a single point of entry the WAN. The WAN exposes about 10 static IP's that resolve internally to servers that are in the same subnet. Meaning that if you RDP over 3389 to ...
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209 views

Anonymous access over SSL

I am using a paid VPN service and I just realized IP privacy does not exist at all when the connection is made over SSL. If I Google "what is my ip" using the HTTP version of Google, it will give me ...
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147 views

Defeating Browser Fingerprinting by spoofing the browser user agent and VPN

I don't want any website to identify me and to know what is my geographical location. As far as a website is concerned, I am always a new visitor who never visits it prior. If I leave the website, ...