IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [vpn]

This tag is applied to questions related to various VPN types such as PPTP or IPSec.

A VPN is often considered a remote access method to gain access to private network via a public network. VPNs use various types of encryption and tunneling protocols to ensure the safety of data traversing public networks.

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Connect through two VPN clients

What exactly happens if I connect through two VPN clients on my laptop? For example, I connect using Cisco Any Connect, and then use another VPN client (such as HotSpot Shield or proXPN) to connect through another tunnel. Will the actual data be…
Alaa Ali
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What's the difference between VPN over TCP vs UDP?

My VPN provider gives me the option between using UDP and TCP for connections. According to this site UDP is faster over short distances. I'm on the same continent as my server, is that considered short distance? Is there a test I can run to compare…
David Drohang
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How do I pick a VPN provider?

There's a lot of VPN providers out there. Some are free, some are for a fee, some report logs to the government, some inject ads into your HTTP, some are in other countries, you might not have any real promise of security when using these…
Incognito
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How safe is it to connect to Internet through VPN?

Sometimes I connect to the Internet using a VPN connection to be able to access the blocked websites. I've got a few questions regarding this: Are my important data (like my credentials) vulnerable to be eavesdropped on the VPN server? What if the…
B Faley
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How do VPNs bypass ISP monitoring

How exactly do VPNs bypass monitoring of the requests and traffic? I get that the traffic is encrypted, but how do VPNs manage to hide the DNS requests before establishing an encrypted transfer? If a VPN is also using an ISP, how exactly does it…
some_id
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Disadvantages of Using a VPN?

I've got a yearly subscription to a VPN service which is real quick and from the research I did at the time seems to be pretty legitimate, but are there any disadvantages or scenarios where you perhaps shouldn't use a VPN? I'm from the UK and I…
Crizly
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Can remote LogMeIn Hamachi users access our local LAN?

Unknown to me, one of the kids has installed LogMeIn Hamachi on his PC so that he can access and play on his pal's Minecraft server, and vice versa. However, my lack of fu when it comes to these types of services is leaving me feeling a little…
Kev
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Can VPN traffic be easily identified? / China - VPN

Here's the problem https://www.theguardian.com/technology/2017/jan/23/china-vpn-cleanup-great-firewall-censorship 10-12 weeks pr. year I'll be in China and I need to access Google and Facebook. My neighbour in China has been kind enough to let me…
HPF
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Security considerations in providing VPN access to non-company issued computers

There have been a few people at my office that have requested the installation of DropBox on their computers to synchronize files so they can work on them at home. I have always been wary about cloud computing, mainly because we are a Canadian…
DKNUCKLES
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What is important when selecting a VPN provider?

I am new to using a VPN service and came across the past at How do I pick a VPN provider? however am unsure if I need to use a personal VPN service or if OpenVPN fits my needs which are as follows; No logging whatever so e.g. encrypted servers, no…
PeanutsMonkey
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Once VPN is unplugged can work still monitor?

Work provides people from my company that 'work at home' with a separate VPN router which will be plugged into my existing home router. They have also asked for the router model, username and password etc of my home router. They said that this info…
Simon
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Can port numbers be detected from VPN traffic?

When connecting to a remote server (e.g. via SSH) via a VPN, is the port-number used for the connection visible in traffic intercepted in between the client and VPN server? Would connecting via Tor (instead/in-addition) help this?
GuestGuy
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VPN rarely works on coffee-shop wifi

I work at coffee shops a lot and signed up for Mullvad VPN to be more secure (after reading many reviews). The service works fine at home but rarely works on public Wi-Fi, whether from a chain like Starbucks or at a public library. Is it common for…
eabates
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VPN only for a specific software

In our company we have a software which requires a VPN to be connected in order to properly work. However that is not the only software we use here. The problem is that other software get way slower when the VPN is up. Apart from that, we don't want…
Malo Polsky
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Is it a good practice to connect to my IP camera using a VPN?

I have an IP camera at home that we mainly use as a baby monitor. The live video can be accessed using a client/app on my phone or a web interface on the browser. I know nothing about the way/protocol that is being used to transmit the video and if…
Ulkoma
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