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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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
269 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
935 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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2answers
345 views

Skype Audio / Video Session over VPN?

Basically I'm wondering if a Skype video session along with audio could be logged (or recorded) over a virtual private network? I know whoever hosts the VPN server can log which websites you visit (or ...
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189 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
918 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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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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824 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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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 ...
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1answer
68 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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38 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
278 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
250 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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201 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
683 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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128 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
565 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
168 views

I'm wondering how I hide my identity online well

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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424 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
705 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
467 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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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
16k views

Browsec - VPN and anonymizer

According to Browsec's website this application can be used to Bypass firewalls. So in countries like Iran it seems a useful tool to bypass censorship and filtering. For start using this application ...
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1answer
307 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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1answer
471 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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185 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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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
91 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
103 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
151 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
80 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
152 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 ...
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1answer
103 views

Is running a TOR node from device in home network secure?

I want to run a TOR node using a small ARM device mini server. I already have a good firewall set but feel a bit uncomfortable when giving away my IP address to the open web by opening a port. If I ...
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2answers
968 views

VPN over HTTPs for a web service only

I have a web service (PHP & MySQL on Ubuntu 12.04) running in a corporate intranet. I have also connected it to internet through a firewall letting incoming connections on HTTPs only (port 443). ...
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3answers
2k views

VPN tunnel inside other VPN tunnel

This question is kind of asked already but it was asked with different context: VPN tunnel in VPN tunnel Connect through two VPN clients ...
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1answer
575 views

Openvpn in front of proxy? [closed]

I have been reading books on OpenVPN, and there is one thing I don't understand yet. What happens when a person connects to OpenVPN, and their web browser is set to a Socks5 or HTTP/HTTPS proxy and ...
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1answer
1k views

OpenVPN through company proxy and surfing history

Been trying to find an answer to no avail. Probably I just don't understand the terminology... So if anyone may shed some light in plain English, that would be awesome. I connect to a paid VPN ...
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1answer
928 views

Can I used Google Authenticator with Radius and VMwareview

We're looking to add 2 factor and one of the options is google authenticator and I was wondering if we can attach that to a radius server attached to our VM infrastructure for remote access. All ...
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1answer
72 views

Free VPN and bank password security [closed]

For some odd reason my online banking fails when on mobile data. It works fine on wifi. In times past I used nokia's Xpress browser to route it through their servers but it is no longer available for ...
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2answers
269 views

In theory, can a restricted-use ToR network be created with “Verifiable Encryption”? How should I approach learning it?

I have mobile devices (low power, low bandwidth) need to act as a proxy for certain types of P2P encrypted data, and I want to make sure that each phone's service isn't abused. To that end I need ...
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2answers
64 views

Anti-virus anonymity question

Many people pay for VPNs and select the VPN based on whether or not that VPN keeps logs of the user's activities and if so for how long. The motivation is privacy- they don't want their surfing habits ...