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1 vote
0 answers
102 views

Is it safe to use a laptop on a public WiFi with VPN? [duplicate]

Im in a situation where Im moving between apartments and need to live at an extended stay hotel for a week or two. The hotel does have free WiFi but it is public. If I use my company’s VPN and visit ...
Curt Rand's user avatar
  • 249
0 votes
2 answers
340 views

Any tool that can prevent ISP from knowing which websites we visit? beside tor?

Any tool that can prevent ISP from knowing which websites we visit? beside tor? while https can help, but still ISP knows which domains/websites we visit. There is no way around it? Also believe that ...
Maxfield's user avatar
  • 157
0 votes
1 answer
321 views

Benefits of VPN vs. HTTPS + DoH + ECH for Corporate Network Security

I'm currently researching network security measures for my company, and I'm trying to understand the advantages of using a VPN (Virtual Private Network) compared to a combination of HTTPS (Hypertext ...
bakaDev's user avatar
  • 103
0 votes
1 answer
951 views

NordVPN Couldn't Estabish a Secure Connection - ISRG Root X2

I'm using NordVPN and it's popped up with this about how it couldn't validate a TLS certificate: I've tried looking up what ISRG is but I don't get much of an explanation on it anywhere. It appears ...
aspanda's user avatar
2 votes
0 answers
924 views

Couldn't establish a secure connection

NordVPN popped up with "Couldn't establish a secure connection." "We couldn't validate this TLS certificate and ensure a secure connection required for NordVPN to run. It looks like ...
Richard's user avatar
  • 21
0 votes
1 answer
688 views

Can VPN protect me against MITM attacks if my device is already compromised by having a malicious root certificate installed?

Let's say my device is already compromised without my knowledge by my ISP, it has a malicious root certificate installed which allows my ISP to view all of my HTTPS traffic as plain text. now if I use ...
user avatar
3 votes
2 answers
3k views

Is NordVPN changing my security cerificates? Could this be a MiTM attack?

I noticed that when it comes to some websites (e.g. Twitter), the security certificate is changed when I log in and out of NordVPN - the SHA-1 digest is visibly different. Keep in mind that not only I ...
lonew0lf's user avatar
  • 173
0 votes
1 answer
162 views

SSTP VPN security feature

Do we know exactly whether and for which parts of the packet confidentiality and integrity properties are guaranteed using SSTP VPN? Specifically confidentiality is enforced on the header of the ...
Luca's user avatar
  • 3
1 vote
0 answers
210 views

What damage can a malicious wifi hotspot cause? [duplicate]

I've just seen a Youtube video with an advertisement for NordVPN in which they claim that NordVPN would protect passwords when people are on potentially malicious coffee shop WLAN. That seems strange ...
Martin Thoma's user avatar
  • 3,932
0 votes
0 answers
336 views

SSL VPN packet structure

What is the exact structure of a packet flowing inside a SSL based VPN? What parts of the packet are authenticated and what parts are encrypted? From my understanding there are two types of SSL VPN: ...
Luca's user avatar
  • 3
0 votes
2 answers
1k views

Is it possible to get "real" IP from a host machine which is using a SSL-VPN connection?

We'd like to obtain the public IP of a user that connects via SSL VPN, the one that the user would have if he didn't connect that way. But this looks impossible to do, if we use web services like the ...
user2638180's user avatar
2 votes
1 answer
2k views

Can a HTTP proxy see HTTPS traffic?

I was checking some things with the (Chromium) inspect tool and I saw that if you go to the 'Network' section the IP address wasn't the actual DNS A (IPv4) or AAAA (IPv6) IP address but the Proxy IP ...
The Bad One's user avatar
6 votes
2 answers
745 views

Does accessing a server over HTTP vs HTTPS make any difference when using a VPN?

Building on Does using VPN improve security when connecting to a HTTP website?, I need to access servers at a client site. These are only accessible when using the site VPN. The services currently run ...
James Geddes's user avatar
0 votes
0 answers
5k views

Couldn't validate TLS certificate - Nord VPN

I received this notification from Nord randomly. Should I be worried? Is there something I can do? Am I being hacked? P.S. clicked Don't trust EDIT: I tried connecting from mobile data and am ...
Aleksandar Venchev's user avatar
0 votes
0 answers
124 views

Can we double encrypt VPN traffic with a custom certificate?

I want to forward VPN traffic to an Internal Proxy that uses client certificates to authenticate users. Can we add this second encryption at the VPN Configuration file for example? Or what is the best ...
Othmane El Massari's user avatar

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