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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ISP role with VPN & VPS?

I have notice online that many people get a VPN so that ISP can not view the sites you visit, create a profile of you and so on. Reading How safe is it to connect to Internet through VPN?, Jonah ...
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2answers
48 views

Can a website detect which method you are using to connect (LL2P, SSTP and PPTP)

When you connect to a website using a VPN with the same IP however using a different type of connection each time (LL2P, SSTP and PPTP) can the website detect the difference between these connection. ...
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1answer
370 views

Understanding OpenWRT LuCI Firewall Routing with VPN

I'm still fairly new to networking, and I'm having a little trouble grasping some concepts of the proper firewall rules I need to implement for my desired setup. I'm setting up a router with OpenWRT ...
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3answers
129 views

How do people know that IP adress belongs to VPN?

It seems that many servers know that I use VPN. They either block me completely or make me answer CAPTCHA etc. I want to use VPN but seems that many hosts don't want their customers to use VPN. How ...
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1answer
93 views

Does having a VPN service mean accessing my email etc. over public free open WiFi mean I have security/privacy? [duplicate]

Is my information secure over public WiFi if I use a VPN service? i.e. protection of emails and login details.
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2answers
87 views

How would an attacker know the Gateway IP's of 2 VPN endpoints?

My office has two Sonicwall Routers each at a different physical location and with two different ISPs. There is an SSL-VPN tunnel between the two. Today I noticed that the same Chinese IP address ...
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3answers
123 views

Is there any point to connecting to a VPN server while on the local network?

I plan on installing a VPN server on one of my computers that is running Ubuntu for purposes of connecting to my local network while I am not at home. At home I also have a desktop computer (separate ...
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1answer
280 views

PFS incentive during IKE Phase 2

I'm trying to see the actual point in implementing Perfect Forward Secrecy during Internet Key Exchange Phase 2, if it had already been used during Phase 1. Quoting the IKEv2 RFC: RFC 5596 ...
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2answers
1k views

How does VPN (IPSec) work?

Let's assume both, my VPN client and VPN gateway has public and private keys. I encrypt my request with VPN gateway's public key. VPN gateway gets the request, decrypts it with private key. Then, VPN ...
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1answer
190 views

How does tunneling actually work?

I recently saw a question in which someone implied that tunneling could foil MITM even if it were implemented while an MITM was taking place. My understanding of tunneling is that it is only capable ...
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2answers
951 views

What order is best for nesting VPNs?

if anyone is available to give me advice on a VPN situation I'd appreciate it. So the story is, I have one Swedish VPN which I trust not to log, and which I've connected to with my real IP, and I've ...
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1answer
72 views

Remote network security option

I'm a bit confused with some different network security techniques. Say we want a secure communication with a particular mail server in a remote company network. Reading and sending mails should be ...
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1answer
1k views

IPSec AH + ESP used together

When ESP and AH are used together (ESP transport, AH transport) on the same packet does ESP encrypt the AH's hash, or is the hash left in the clear? If the hash isn't encrypted, there are obviously ...
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1answer
3k views

Is it secure to install RSA SecurID Software Tokens on the same computer that will be used to access the VPN?

My office switched from using the old hardware RSA SecurID key tokens to the RSA SecurID Software Tokens and most users have them installed on the same machines they use to access the VPN. I asked ...
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2answers
833 views

Low level attacks on WLAN/LAN connection while connected to VPN

Is it really secure to connect to a (well-secured) VPN server over an unencrypted WLAN connection (or maybe a hotel Ethernet)? I know, that there have been questions like this - but I'm not asking ...
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0answers
24 views

Multiple browser instances through differents openvpn [migrated]

How can I config multiple instances of browser to connect through different VPN servers? I'm working in a Linux server and I need that every browser instance uses different VPN servers. Thanks in ...
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0answers
247 views

RADIUS with MS-CHAPv2 Explaination [migrated]

Can't find any flowcharts on how communication works between peers. I know how it works in Radius with PAP enabled, but it appears that with MS-Chapv2 there's a whole lot of work to be developed. I'm ...
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0answers
47 views

Why do I get a Secure Connection Error on some sites? [migrated]

I am using Firefox version 37.0.2 with an ethernet connection at a university in Bangkok. I consider the university a network a hostile environment as the majority of the computers on this network are ...
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0answers
28 views

Are there any Distributed/mesh-like/P2P VPNs? [migrated]

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 ...
2
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1answer
80 views

Non-profit on limited budgets looking for safety with VPN/TOR etc [closed]

First off, thank you ahead of time for your patience. We are a small non-profit with a 100% volunteer staff. We deal with children and some adults that suffer from Mitochondrial disease. So, I was ...
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0answers
46 views

How to design a right VPN connection for an organisation (Interconnected MPLS link or Individual FW)

Thanks in advance for your advice We have to implement VPN connection for nearly 7 countries Option 1 : As we have private MPLS link to all 7 countries. It is been outsourced Third party. They ...
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1answer
318 views

Firewall and Torrent

I use my university internet network and all incoming connection is blocked on every port.(they use netasq firewall) They have no other restrictions which stops me from using a torrent client. Using ...
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2answers
317 views

Is using VPN on a router more secure than using a dedicated VPN machine?

I was looking at the features of the Asus RT-N66U router and noticed the built-in VPN feature. I am currently running an OpenVPN server on an ESXi VM, but I was wondering: would using the VPN feature ...
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207 views

Some http requests are not send encrypted by vpn! Why?

I subscribed to a VPN service recently, and installed wireshark to take a look at the traffic sent from my computer. Practically all of it goes through UDP protocol, encrypted. But there are two HTTP ...
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101 views

Can HTTPS or VPN connection be sniffed through UTM device? [duplicate]

Someone told me that if my device communicates with a server on Internet via VPN connection or HTTPS, all the contents that I have sent can be sniffed and decrypted by the UTM device (or more ...
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1answer
712 views

What does a Remote Desktop Connection risk for both computers?

I recently had a malware issue called "mysearchdial" that installed itself into my home computer's browser because someone didn't pay attention to what they were installing. I RDP'd into my work ...
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0answers
129 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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4answers
575 views

Protecting yourself from a malicious VPN

I am connecting to a VPN server that has been compromised and is under the complete control of an attacker. The virtual network itself contains numerous attackers waiting for a new target. What ...
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3answers
2k views

How can I use a VPN to protect my privacy

How should I configure a VPN in order to access blocked websites and to hide my identity? Usually I use SSH tunneling to protect my privacy and to escape censorship. I know nothing else about VPNs ...
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2answers
181 views

I'm wondering how I hide my identity online well [duplicate]

what are the different ways to become anonymous. Is quicksilver a good email for that? What are the different options? I know about proxies, Tor, and VPNs. Should I do all three? I like computers but ...
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4answers
8k views

Open VPN has DNS leak

Since using www.dnsleaktest.com I have found that any VPN service using Open VPN will leak my DNS through the tunnel. I have tried and tested several VPN providers, even those who say that they have ...
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2answers
429 views

How do I ensure that a VPS host will keep my information private?

Basically, I want to use OpenVPN on a VPS to browse confidentially. However, I don't know much about VPS hosters and to me, it seems to be a hard choice because there are so many. However, I think ...
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3answers
711 views

Does the VPN provider know my dedicated IP?

Is it ok for a VPN provider to ask a new costumer to send a log file in order to solve a login probelm? I trusted him and sent him a log file because he said that would be the best way to see why i am ...
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3answers
480 views

Client side scripts through proxies

If you're trying to hide your IP address using VPN/proxies can a website using client side scripting record your real ip? If yes is there any alternative to blocking all scripts as that breaks ...
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3answers
2k views

What utilities exist to brute force a username and password?

I'm trying to persuade management to purchase two factor authentication for securing VPN and terminal server access. I've made significant progress by demoing TSGrinder, but would like to list other ...
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1answer
7k views

Is PPTP VPN ever secure? Under DD-WRT? [duplicate]

PPTP is not an open, ratified standard the way that, for example, SSL/TLS is. (see: http://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.2 and http://datatracker.ietf.org/doc/rfc5246/ ) The ...
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3answers
3k views

HTTPS or HTTPS within VPN for WIFI security?

I read that HTTPS can be comprimised and is not as safe as you think. With a free VPN you have to put some trust in a free VPN server with your data, and surely your data from when it leaves the vpn ...
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2answers
151 views

VyprVPN (from GlodenFrog.com) weirdly keeps sending unauthorized suspecious data even after uninstall [closed]

Update: Check the VyprVPN's app developer answer below, seems this is okay and an uninstaller is added to new versions to prevent such issues. Original: I was working with VyprVpn a few months ago, ...
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1answer
315 views

Setting up a ram based VPN

Are there any ram based VPN solutions that have options to keep no logs? I've been looking to set up a portable linux distro, probably Debian, that I'd run from CD without any form of persistence. It ...
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3answers
45 views

Is my company VPN the same as third-party VPN providers?

I'm just a bit confused with VPN. My company has VPN when I work remotely. So, I can access internal websites. However, does it mean if I browse my Internet over my company VPN, it will be as secured ...
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1answer
512 views

“VPN -> Tor: Go to jail” - What's the logic behind this?

The VPN won't see anymore than your ISP already is. So even if the VPN was logging everything you did, shouldn't it just leave you in status quo? How can it ever compromise your identity, that you ...
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3answers
186 views

Howto pass overly protective corporate firewall

My Corporate Network was always being monitored, but a few days ago they started to block and censor all HTTPS traffic. Recently IT guys forged certificates for all major HTTPS web sites and acts as a ...
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4answers
2k views

IPSec VPNs and symmetric keys

When dealing with IPSec based VPNs, I understand that there is a slight "problem" with symmetric key exchange. Obviously, you can't send the keys over the VPN, since they are used to guarantee the ...
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2answers
278 views

Securing a VPN connection

I'm new to this we want to install a new VPN connection that will be used to connect using Internet to some networks in the office the contractor want to use a" Cisco NAC Network Module or Cisco IPS ...
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1answer
4k views

What are the risks of removing ISATAP from the default global block list?

The process of installing Microsofts pseudo VPN called Direct Access requires me to remove the ISATAP name from the default global block list by running this command: dnscmd /config ...
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1answer
101 views

Is a self-signed SHA-1 certificate sufficient security for a company transmitting sensitive data?

We recently decided to pay an ISP (a substantial sum, mind) for a managed internet service up to and including the router in our head office. Part of the initial discussions made it clear that ...
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1answer
170 views

How to properly test that an OpenVPN connection is secured?

I have a router (ASUS RT-AC66U) with an embedded OpenVPN server. I'm able to successfully connect to the OpenVPN on the router, as well as, access internal services in my home network; However, ...
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2answers
160 views

What can my university see by installing a CA root certificate on my computer, even when I'm using a VPN?

To use the wifi at my university, you must install a CA root certificate by them. In my case, I am using a Mac computer with a VPN installed. I'm curious, what can they see me do on my computer by ...
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3answers
83 views

What information can be taken by submitting an online form?

Sorry I'm pretty clueless with this stuff.. I know that vpn hides your IP address when just browsing websites, but how about submitting an online form, such as when you send an inquiry? Would my IP ...
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2answers
162 views

Can a system administrator see if someone is using a VPN?

A friend of mine wants to use a VPN on his school's Wi-Fi becuase they've blocked many applications such as Skype, etc. My question is, if he uses a VPN (with iOS 7) will the system administrators be ...