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

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2
votes
2answers
163 views

Public AP: How to reduce vulnerability window between Captive Portal and starting VPN?

I always use a VPN on my Mac when I access over public APs (such as coffee shop free WiFi) How much should I worry about the window of time where I am in the captive portal (the agreement screen) and ...
5
votes
3answers
943 views

PCI DSS - VPN network?

My network is segmented into internal (which holds private cardholder data), DMZ and VPN. There is a gateway in between which restricts access, for example: VPN: 10.0.0.0/24 DMZ: 10.1.0.0/24 INT: 10....
2
votes
1answer
229 views

PPP over SSH - is this correct?

I see a lot of talk online about whipping up a VPN connection using PPP over SSH. This term confuses me, as SSH is an app tier protocol and PPP operates on the data-link layer. So, my question is: ...
1
vote
1answer
3k views

Difference between X-Forwarded-For IP, X-Real-IP, VPNs and TOR

I have this Google Chrome Privacy Preserving Extension that I am working on. Where I can spoof the header information e.g user agents and else. When I spoof X-Forwarded-For IP and go to http://...
0
votes
1answer
90 views

Preventing installation of VPN software on home computers? [closed]

How can users be prevented from installing VPN software on their home computers?
0
votes
0answers
4k views

How secure is the TAP Windows Adapter V9? [duplicate]

I use Cyberghost to browse the web on public wifi. How secure is the network adapter? Cyberghost uses OpenVPN which utilizes TAP Windows Adapter V9. I am asking this, because I believe at the ...
1
vote
0answers
1k views

OpenVPN redirect-gateway def1 bypass-dhcp not working on 3G [closed]

Edit I followed @begueradj advice in comments and posted the question on ServerFault : http://serverfault.com/questions/709340/openvpn-redirect-gateway-not-working-on-3g-cellular Original Question ...
1
vote
0answers
90 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 ...
0
votes
0answers
121 views

How can secure email be used while avoiding government attention?

Presumably all unencrypted email is available to federal agencies including IP addresses, header information, and email content (eg, through SMTP with or without SSL and TLS -- thunderbird has an SSL/...
2
votes
0answers
109 views

Ways to prevent traffic injection by ISP [closed]

I live in a big brother country (Egypt, but valid to many other countries), which apparently bought Hacking team and fin fisher software since couple of years. After reading about the very-easy ways ...
5
votes
1answer
254 views

Is WebRTC still leaking my IP addresses in incognito or private browsing mode?

WebRTC can leak your private IP address, even though you are using a VPN, from what I learn here. Am I protected against this information leak affecting my privacy, when I'm using the incognito or ...
7
votes
5answers
350 views

Can a website detect my local WIFI network I am in?

I have two computers, both of them locate at the same local WIFI network ( ie: connected to the same router). I use VPN on a computer to visit a website, and don't use VPN on another to visit the ...
2
votes
1answer
173 views

Does a VPN Provider Know My MAC Address?

I know MAC is a layer 2 address, so it's only sent to the next router in the chain. Does a VPN provider get that information when I'm connected to their service? Is their router considered the next ...
1
vote
1answer
98 views

Does any VPN protocol authenticate the server?

When you connect to a server using SSL/TLS the client authenticates the server using the certificate that the server provides. If certificates mismatch an error page is shown instead. So you know you ...
3
votes
0answers
3k views

Bypassing Hotel Wifi authentication using VPN [closed]

I'm currently in a hotel with pay per day WiFi, I have have logged into it a couple of times on my phone. I just turned on my VPN before logging in to the WiFi and it seems to have bypassed the hotel ...
6
votes
2answers
321 views

Stun scripts/webRTC IP leaks

I've been looking at webRTC and stun scripts in general and their ability to bypass VPN's. And have a few questions I hope someone can help me with. 1) Since using openVPN and other VPN protocols/...
1
vote
2answers
355 views

Public/private key auth and VPN

If a server uses public/private key authentication to access SSH, will there be any advantage of restricting the access of SSH over VPN? This link describes both approaches to solve brute force ...
0
votes
1answer
51 views

vpn and strong authentication, how does the two work as a pair? [closed]

Dont know. maybe I was to unprecise.... I basically am asking if a SSL-VPN solution is solving both the encryption and the authentication, like that the user authenticates himself to the vpn-client ...
5
votes
1answer
150 views

Chaining VPNs to increase privacy?

I was wondering if it's possible to chain many VPNs, and if it is, if it increases privacy at all? My thinking was that each country has data retention laws. If all VPN keep logs (even if most lie ...
2
votes
2answers
725 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?
1
vote
1answer
456 views

How to handle a remote office and a client requiring IP Whitelisting?

.NET Developer here, out of my comfort zone on this one. My software company is going remote, where employees can work from home, Starbucks, a Regus office, Spain, anywhere really. One of our ...
1
vote
2answers
162 views

Online anonymity for a journalist in a dangerous country [closed]

I am a journalist in a corrupt country. I am concerned that my online usage will allow my antagonists to track me down, and it wouldn't end very good. I am aware that I may use TOR and VPNs, and ...
2
votes
1answer
139 views

Double/Chained VPN - Which IP will be vissible to the VPN providers?

I am currently using a company VPN and use Juniper Network Connect on OS X to connect to this network. I'm interested in using another VPN and set this up at my internet router at home, so all ...
0
votes
0answers
105 views

Theoretical VPN and Tor Encryption Chain

Okay, so I've been looking around at the benefits of using tor to access you vpn and vice versa. Here's what I've come up with: VPN -> Tor Pros: Hides Tor usages from isp Hides your activities ...
1
vote
1answer
1k views

Can Netflix tell whether I am behind a VPN? [duplicate]

I understand that if I enable geolocation option in Firefox, then Netflix can learn where I am, and by comparing my actual location with my reported location, Netflix can deduce that I am behind a VPN....
1
vote
2answers
94 views

Infected employee using office VPN was part of a DDoS attack

Recently, our office VPN was taken down by our ISP after discovering a DDoS attack. Apparently an employee connected to our VPN is infected. There were no logs at the time of the event. Besides ...
0
votes
1answer
249 views

Which one will give me the best VPN security when choosing Encryption algorithm in pfsense?

I want to setup an VPN server in pfsense and I can choose a lot of Encryption algorithm types ,alot!! What I have read is that the AES 256 (512 is not an option) is the best. Well even then there are ...
2
votes
0answers
190 views

Does enabling VPN on our router increase the risk of our network being exposed to the outside network? [closed]

We are thinking about using VPN to connect our remote office and the main office and also support developers working from home. To do this, we are planning to purchase 2 CISCO (or similar) routers to ...
0
votes
1answer
1k 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, ...
3
votes
3answers
885 views

Privacy and VPN - does employer's VPN still log activity when I am connected by wifi?

A company I work for wanted to use a VPN client called Junos Pulse to connect to their file server. I am on my personal computer, and connected to my personal wifi. I was not using their VPN for ...
-4
votes
1answer
273 views

I abused my VPN, what are realistic privacy consequences? [closed]

Ok let me give you a small background of my problem. I am using a (very good) VPN service as I am trying to hide the fact that it is me (ip:....,name:....,etc) who is managing a particular website. I ...
1
vote
3answers
993 views

Can websites tell whether that I am visiting them using the same device?

Assuming that I am browsing a website ( say: Amazon.com) using Private/Incognito mode, and I clear my cookies, and have VPN turn on. Will the website still be able to identify that my device has been ...
1
vote
1answer
69 views

VPN multiple IP users anonymity

During a support conversation with my VPN provider, I asked specifically: "is it impossible to filter out a single VPN user since your IPs are in use by many?". The answer was yes, it is impossible. ...
0
votes
2answers
697 views

Can VPNs prevent information from being stolen by keyloggers screen readers?

What role, if any, do VPNs play in preventing information being stolen by keyloggers and mouse/screen readers? Here's my thought process: Even if malicious software is present on your device, for ...
0
votes
2answers
100 views

Tracking who is using VPN [duplicate]

Is it possible for a company to track who logs into work using VPN? How is this information tracked. I use a RSA token that is installed on my cell phone. I enter a code into the RSA app, then it ...
1
vote
1answer
66 views

Port forwarding with VPN

EDIT: My VPN has port forwarded a 5-digit tcp/udp port for me. What kind of attacks am I opening the computer to with VPN port forwarding?
0
votes
2answers
607 views

Can I VPN a phone's connection to my home network, and then apply my home firewall to my phones network connections?

I have a decent firewall/router at home, and I was wondering whether it would be possible to use my home firewall for the connections that my phone makes, even when I'm not at home. It would mean ...
3
votes
1answer
482 views

Is Two-way SSL sufficient for Multiple web servers communicating to each other?

I have a fixed number of web servers. Each web server represents a company and the users of the company talk to their assigned web server. I have this setup to decentralise the databases. So if one ...
1
vote
3answers
249 views

Should I use my trusted VPN for all my traffic? [closed]

I use my trusted VPN primarily for the sake of anonymity (to avoid data being collected about my Internet browsing), although I am aware of its security benefit -- traffic encryption. My question, ...
0
votes
1answer
406 views

Can I use a VPN to disguise internet traffic at work? [closed]

I have seen this question asked before; I want to know if I can use a VPN to disguise my internet traffic so my employer can't see what websites I'm visiting while at work. However, unlike most people,...
1
vote
3answers
110 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 ...
0
votes
2answers
715 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, ...
0
votes
1answer
836 views

Is ExpressVPN using Taboola?

I am running on Windows 7, version pro. I have just started paying for the vpn service ExpressVPN. From that point, I noticed that ExpressVPN software was running a nssm.exe process (non-sucking ...
-1
votes
2answers
1k views

What are security risks of connecting to my home vpn from my work?

I connected to my home-made VPN, which uses OpenVPN and 2048bits encryption keys, from my work. What are the security risks of doing so, given the fact that the servers are in the same network my ...
6
votes
3answers
343 views

Risk of spyware on seized devices

This question (Prevention measures against laptop seizure at US borders) addresses a number of techniques for securing data while crossing borders. Perhaps the most useful advice was to simply not ...
1
vote
1answer
118 views

Possible to use custom SSL or TCP/IP packets to detect VPN use?

What custom TCP/IP packets or other statistics can I use to detect VPN usage? I understand that this may generate a number of false positives, but my goal is to focus analysis on certain types of ...
2
votes
2answers
79 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. ...
-4
votes
2answers
139 views

Is there any benefit to login to a website as anonymously as possible, if you've already been there from an identifiable IP address?

Here's a basic example of the situation I am in: 1.Friend downloads full-length, new release movie on shady internet site (felony). 2.Uploads it to a randomly created, cloud hosting service account (...
2
votes
1answer
263 views

Is it particularly unsafe to use openvpn or pptp with only username/password authentication instead of certificates?

I use a vpn server (supporting pptp and openvpn) built in to my router at home to make a secure connection back to my home network. I currently use OpenVPN with certificate authentication, but since ...
5
votes
6answers
8k views

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 ...