Questions tagged [isp]

Questions about the security of ISPs (Internet Service Providers), ISP managed devices, ISP communications etc.

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15
votes
2answers
3k views

Can my ISP see which VPN protocol I am using?

I know that my ISP can detect when I am using a VPN, but can it see which protocol I am using?
0
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4answers
169 views

How can I safeguard myself if share the same router with the people living in my apartment

I share the same wireless router with some other people living in the same apartment. I want to safeguard my privacy and also not be held liable for their internet activity. The modem from the ISP ...
15
votes
3answers
3k views

Can two locations in the same city at the same time have the same IP adress? [closed]

I got a notice due to vandalism in Wikipedia and the perpetrator is someone with the same IP as mine. I looked up the notice and it seems that the vandalism happened last year and the person behind it ...
1
vote
1answer
66 views

Can my ISP see documents I print trough my wireless network printer that is connected to ISP-provided router?

As stated in title - I am wondering if connecting my printer to ISP-provided router could expose all of my printed data to his eyes? Cheers!
5
votes
0answers
232 views

How is my ISP circumventing SSL on thepiratebay even though the certificate is valid?

When I visit https://thepiratebay.org it is displaying a message from my ISP saying it is blocked under government rules. BUT the https icon is green and the certificate is a SNI certificate from ...
0
votes
0answers
39 views

What is the way of my packages to the server with OpenDNS and VPN and without them?

All the next are only my assumptions. There are simplified and abstruct models. I want to know what is the way of my packeges when I use the ISP DNS and OpenDNS. And what is the way when I use VPN and ...
1
vote
1answer
96 views

Is it worth using an http proxy?

Sorry for my lack of terminology in the field, that's something I've little (or none any) practical knowledge about. I've browsed similar questions on the security risks of using (web) proxies, but ...
0
votes
0answers
35 views

Why is an IP address in a different city? [duplicate]

Someone lives in city A, but their IP address from home always displays as belonging to city B, 50 miles away in the same country. Both cities are the largest in the country, so this is not about one ...
5
votes
2answers
396 views

Privacy implications of static IP addresses (for home connections)

All the other questions I have seen here focus on the security implications of IP addresses. I'm interested about the privacy implications. In my opinion, static IP addresses for home connections (...
0
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0answers
91 views

How to prevent my ISP from seeing what sites I visit without a VPN

I use opera browser, and while the built-in VPN has been working relatively well it's been preventing me from joining discord voice calls and using omegle. Is there a way to hide my activity from my ...
0
votes
1answer
53 views

Using outdated ADSL modem with up to date router - Security Concerns

My parents live way out in the middle of nowhere. The only service provider that is not satellite is Century Link, which uses ADSL / phone lines. They wanted me to set them up, and the service guy was ...
1
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0answers
56 views

Which tools ISPs use for browsing logs? [closed]

It is known that ISP has to log various network data for various purposes, such as law enforcement needs. However, what are some examples of software tools used by ISPs to browse this huge amount of ...
0
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2answers
768 views

What information do ISPs delete after retention period?

Whenever I read something like "ISPs store your data" or "ISPs delete your data after 6 months" or anything like that, I imagine data to be the following things: (1) At what time I ...
-1
votes
2answers
176 views

Is it possible to decrypt HTTPS website user activity?

Can Governments order an ISP to decrypt data about any user's personal information. If there is some information, for example, that some terror suspect has been active on an HTTPS website on the ...
0
votes
1answer
318 views

Can my ISP know these things?

I am a novice about digital things (imagine the antonym for "tech savvy"). Can my ISP know my yahoo email address? I have signed in on yahoo more than a million times. Yahoo is https. Can ...
10
votes
2answers
4k views

What does my ISP see if I change my DNS server?

I have an interesting question and I really want to get an answer to this. What does my ISP see if I change my DNS server and I use an HTTPS connection? Firstly, when I use my ISP's DNS server: So, I ...
1
vote
1answer
327 views

Can ISP deanonymize Telegram public channel creators?

In a Telegram public channel, all messages are public, send by the channel creators and contain a timestamp. Suppose I am an ISP. Can I analyse the traffic of all my clients and decide if they are ...
35
votes
3answers
5k views

Can ISPs replace a website's HTML/JavaScript/HTTP headers with something else?

It seems to me that "yes, they can". As I saw it in some countries, entering adult content will simply give a warning message that the site is blocked. Some places even block Facebook ...
0
votes
1answer
100 views

Abilities of my ISP to stop me from browsing [closed]

I visited a football site yesterday to stream a match online, and since then my connection is unstable. Like, I get connected at times and loses at times. I was over at my friends' and did the same ...
0
votes
0answers
101 views

Will anyone figure out who I am if I am downloading torrent while logged in facebook in my browser?

I have protonvpn. I am downloading torrents. I don't want anyone to know that I am downloading torrents. I am also logged in to Facebook in my browser. So Facebook knows my VPN IP. And my ISP knows ...
1
vote
2answers
142 views

Can the Police trace an internal user which is behind a shared IP?

Can the Police or any other lawful body obtain information about a criminal from the ISP knowing such things as the shared IP (the NAT, I believe?), timestamps, visited websites etc.?
0
votes
1answer
292 views

How can my ISP block certain websites if I'm using a VPN?

Even when I'm using a VPN (ExpressVPN), I still can't access certain websites. But when I'm using Tor browser it loads them without a problem. So this must mean that my ISP somehow knows I'm trying ...
6
votes
2answers
1k views

Can government track VPN traffic if it has control on both ISP and website server?

Let's say I access a website called example.com with VPN. Here's the flow: me → ISP → VPN → example.com Do typical VPN providers use the same IP address to receive data from ISP and send data to the ...
1
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2answers
74 views

Security: Multiple VPN users

Let's assume there is a service provider that hosts some services behind a firewall. Two different companies connect to the network of the service provider via VPN. (To use the services that aren't ...
33
votes
7answers
9k views

If I'm currently on a website and disable my VPN, is my ISP or the web server immediately aware of the change or does a page refresh have to occur?

For example: I'm browsing my favorite website with my favorite VPN enabled. I disable my VPN while I'm still on a page of the website. I haven't clicked any links yet, I haven't went back to the ...
0
votes
2answers
127 views

Will carrier servers allow the ISP to see anything I'm doing even on a VPN?

AFAIK, if the connection to the VPN server is properly set up, the ISP is not able to see any of the traffic. Nevertheless, I just found a worrying comment to this blog post: https://www.stealth-...
3
votes
2answers
142 views

How does RusNet block websites with so many separate ISPs?

How does the Russian Federation enforce the blocking of websites for end users? I know that ISPs have a database of DNS records that will redirect the user to a corresponding IP address for a given ...
1
vote
1answer
74 views

Basic Auth exposed to ISP/DNS?

Would someone using basic authentication in a URL such as https://username:password@example.com have their credentials be visible to their ISP or DNS?
14
votes
2answers
4k views

Does Tor help us to prevent ISP tracking?

If Tor is able to hide the IP address of the machine and make us anonymous, then does it prevent the ISP from tracking us?
0
votes
1answer
95 views

Is it safe to whitelist my public ip to a server, even I am behind CGNAT?

I have a few VPS and Databases in GCP, I can access them by whitelisting my IP, but just few months ago my ISP rollout their CGNAT and I was affected. As far as I know CGNAT, allow multiple subscriber ...
0
votes
1answer
255 views

Can my isp see the (non-https) websites I visit if I use browser VPN extension?

Can my isp see the (non-https) websites I visit if I use browser VPN extension? Chrome notices non-secure connection for them but I use browser based VPN extension and different country (VPN server).
0
votes
1answer
266 views

What can my ISP see regarding my VPN tunnel? [duplicate]

I use the free version of proton VPN because it has such a nice interface. From my understanding, when I connect to one of their VPNs located in the US, my information passes through an encrypted ...
4
votes
2answers
2k views

Is it possible to mac-spoof Xfinity Wireless?

Background Comcast/Xfinity operates various wireless hotspots across the US, accessed via the SSID xfinitywifi through the many wireless access points shown on https://hotspots.wifi.xfinity.com/ ...
1
vote
1answer
2k views

What Data Does an ISP Store? [closed]

Sorry for being so general, but I know my ISP logs connections to others and all. I'm just questioning whether they keep any physical data that was over a HTTPS connection. Learned about how ISPs also ...
0
votes
2answers
167 views

How I can hide from my ISP that I have created a hotspot?

I am using manjaro Linux, And create a Hotspot with create_ap script I spoof my mobile and laptop to have the same MAC address What can I do so they can not detect I am using my mobile connected to ...
8
votes
2answers
401 views

how is my ISP able to inject into this webpage?

Lately I've noticed that pages I go to on http sometimes have a large banner at the top from my ISP. What's weird is when I refresh the pages I get the https version of the site and the banner is not ...
1
vote
1answer
144 views

Is using a VPN like changing your ISP?

I am asking this question from a security perspective (not privacy) I have read that using a vpn can prevent hackers including your isp (who could be working for the government) from doing mitm ...
2
votes
3answers
898 views

ISP provider does not giving permission to change my router password

We have got a new connection from a local ISP provider, the provider supplied a router and other few devices, then he has configured the device with a password, but he does not allow us to reset or ...
1
vote
2answers
1k views

How an ISP can detect if someone having a WhatsApp call or video call? without detecting or blocking the rest of the app [duplicate]

I am asking the questions because of the latest news: https://www.bbc.com/news/world-middle-east-50095448 I wonder how the ISP can detect the use of call and video calls, without detecting or ...
0
votes
1answer
333 views

How does DoH protect against ISP tracking?

Seems like a modern ISP would already be equipped with some basic level of packet inspection to identify outgoing TCP connections even if just for doing traffic shaping or carrier-grade NAT, and ...
1
vote
0answers
134 views

I run a web crawler on my localhost computer, can my ISP detects that? [closed]

I'm using an Internet plan of 100GB bandwidth monthly from my ISP, and I made a simple web crawler for fun and run it on my personal computer 24/7. The crawler is consuming all of the bandwidth, and I ...
30
votes
10answers
9k views

Received email from ISP saying one of my devices has malware

My dad received a suspicious email from our ISP (mtnl.net.in). The email was from noreply@mtnl.net.in and it had our user ID (I masked it as xxxxxxxx@a) in the email so it must have come from the ISP ...
1
vote
1answer
84 views

How can I know if the cyber-protection offered by my ISP is worth the extra cost? [closed]

My ISP offers a "cyber protection" service at an extra cost. They say it "identifies and blocks privacy attacks, credit-card scams, identity thefts and hacker attacks against computers connected to ...
0
votes
2answers
219 views

Can your ISP tell what google account searched what? And can they share this information? [duplicate]

If you search something, can your isp share the google account it was searched from?
1
vote
2answers
642 views

Google searches seen by ISP

When you enter something in the search bar right before it connects to google, can an ISP see that?
1
vote
1answer
144 views

Other computers/customers of my Internet Service Provider appears under my “Network” section in Windows Explorer

I could see many computers under "Network" section on the left sidebar of Windows Explorer, but I am the only one who uses computer on my home. So I suppose all those computers are also using the ...
0
votes
2answers
7k views

Can an isp see what you search on google images

I was under the impression all images were https. Not really a computer person. So I don’t really understand how this works. I was also under the impression that isps can see all images and searches ...
2
votes
1answer
192 views

How do ISPs send their own pages when a user is trying to access a blocked site?

I know that some ISPs send block pages(like "This site has been blocked because ... ") over HTTP by sending a fake 301/302 redirect. I also know that instead of sending a block page, some ISPs simple ...
0
votes
2answers
490 views

How secure are the default, randomized passwords that ISP routers come with?

Did a little searching an could not find an answer to this. A lot of ISPs these days are providing combination router/modem units, and they come with a pre-configured password that is a random string ...
1
vote
0answers
103 views

How to prevent router identification [closed]

How to prevent my router (D-Link AC1200 LTE Router DW-953) which is using a 4G sim card for data from being identified by an ISP? The router has the current Firmware Version V01.02.3.045, with no VPN ...