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Questions tagged [isp]

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

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What can ISP see when John vpn into Tom home where John can Tom use the same ISP?

Here's the flow: (John home ISP, nanmely A) → VPN → (Tom home ISP, nanmely A) What can John and Tom do if John and Tom would like to let ISP see less information as possbile?
Maxfield's user avatar
  • 156
1 vote
0 answers
402 views

Can ISP see data downloaded from Telegram? [closed]

When Telegram downloads files to internal storage cache, does the ISP see the data that was downloaded? Or can they not see that at all or due to encryption?
Fireball28's user avatar
1 vote
0 answers
86 views

Ddos attack on the ISP [closed]

I need help in controlling my ISP from Ddos attacks it's happening for almost a month almost everyday bringing down the isp for 4 to 5 hours sometimes for the whole day anyone can help it guide what ...
Fiber beam 's user avatar
0 votes
2 answers
203 views

Why does turning on encrypted DNS unblock some geo locked websites?

When I turn on Warp provided by Cloudflare or use 1.1.1.1, it unlocks some of the websites which are geo locked. How does it unblock the websites which are blocked by ISP?
jinchuriki's user avatar
0 votes
0 answers
146 views

Is ISP sending WiFi password in plain text to phone necessarily a bad sign?

The new router I was given by my internet and phone provider can only be configured via their website. I logged in and went to the page where you can set things like the SSID and password for the WiFi ...
insecure's user avatar
0 votes
0 answers
117 views

Are there security risks with using someone else's ISP?

I recently found out that, due to a mix-up at Australia's National Broadband Network, the connection to our Internet Service Provider had been swapped with a neighbour's. It doesn't look like the ...
user200783's user avatar
0 votes
1 answer
471 views

Can China decrypt SSL as soon as people using their ISP?

While these VPNs can work inside of China, I wonder how private and secure they are since China is known for its great firewall, like most technically advanced countries. Are these methods working? ...
Maxfield's user avatar
  • 156
1 vote
1 answer
227 views

Can my ISP see request data being posted to a website when a DNS leak occurs

From what I understand, the ISP can see the host you're trying to connect to in the event of a DNS leak. But does that mean they can see the data being sent like the requests body? or even headers? Or ...
NotAidan's user avatar
0 votes
3 answers
162 views

Does it make any difference for what an ISP might see if we use a non-standard port for HTTP and HTTPS?

Doesn't it make any difference if the sites we visit are not the standard ports like 80/443? Say we visit https://example.com:554/is-this-visible-to-isp? since domain is known to the ISP, what about ...
Maxfield's user avatar
  • 156
1 vote
0 answers
1k views

Do ISP's start data retention period after unsubscribing from their service? [closed]

Whenever I go online and read about data retention periods specifically for IP address information like IP assignments and session history, I see data retention periods ranging from 180 days to 12 ...
sailboatgolfer's user avatar
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0 answers
85 views

Police have seized phone regarding sent emails [duplicate]

The police in UK have my phone. I have sent some emails I shouldn't have to an ex. I have deleted the gmail account they were sent from. The phone police have isn't the one they were sent from. I ...
Julie's user avatar
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1 vote
1 answer
317 views

Does my ISP sees that I am using someone else's PPPoE username/password?

I want to ask that does my ISP will be able to see that I am using username/password of someone else on my dialup PPPoE.
Hamza's user avatar
  • 13
1 vote
1 answer
1k views

Can my ISP access my browser cookies and browsing history?

I only use https websites and Microsoft Edge. I know that my ISP can see only https://example.com of the full URL I've visited (e.g. https://example.com/abc/xyz). But I don't clear my browsing history ...
Ezio's user avatar
  • 35
1 vote
0 answers
2k views

Best port to setup Outline VPN for obfuscation

Many outline access keys use a random port but some do 443, I’ve found out since port 443 is for http its harder to find out that port is using a vpn. So the question is, why don’t other Outline ...
Emily1001's user avatar
8 votes
6 answers
15k views

Can my ISP censor my internet?

Can the internet be censored from the ISP itself? And what to do if the internet is censored by my ISP? Even TOR is not showing me the results I want: I had previously searched for the same keywords ...
sushrut ojha's user avatar
0 votes
1 answer
252 views

How to configure VPN to get maximum anonymity from my ISP?

If my main intention is to hide whatever I do on the internet from my ISP, then which VPN connection should I use; TCP or UDP? Or if I need to do anything more for that purpose please tell me. Also ...
Ezio's user avatar
  • 35
1 vote
1 answer
637 views

can my isp read my emails or see whom i send/receive emails from?

can my Isp read my emails or see whom I send emails or receive emails from? i use rediffmail.com, Gmail and outlook.com for emails. All are https and I use cloudeflare dns.
Ezio's user avatar
  • 35
-1 votes
1 answer
3k views

can my ISP know which urls i'm visiting? If so then how to prevent it? [duplicate]

i'm using latest version of microsoft edge browser on windows 10 PC and i'm in India. I use cloudeflare DNS. i Checked my browser security on https://www.cloudflare.com/ssl/encrypted-sni/ and got this ...
Ezio's user avatar
  • 35
2 votes
3 answers
2k views

How can I overcome my ISP's DNS redirection when DoH is blocked?

This is a follow-up to my previous question. My ISP is apparently trying to redirect my DNS requests. When I visit some sites, my traffic is redirected to other IPs and not the intended site. I tried ...
PizzaIsLove's user avatar
2 votes
4 answers
848 views

Hide VPN from ISP?

We know that when you use a VPN, your ISP can't see what data is going inside the tunnel, but they can see that you are visiting the VPN server. Is it possible for the VPN to somehow configure your ...
No Name's user avatar
  • 217
5 votes
1 answer
867 views

Free messaging (but not images, video, etc) on United Airlines free wifi: is it secure?

I recently flew with United Airlines and I used their free messaging wi-fi plan. I could text my friends on Whatsapp, but I could not send (nor receive) multimedia content like images, videos or audio ...
kYuZz's user avatar
  • 153
0 votes
2 answers
3k views

What's the use of encrypted DNS when ISP can see the IP address of the website?

I use an encrypted DNS server that supports DNSSEC and DoH, these features are useful for hiding from the ISP, VPN server provider etc. which website you are trying to look up, but eventually those ...
user avatar
0 votes
1 answer
135 views

If software use encryption to protect one from ISP providers and other parties from snooping, how does this apply to browser software, esp. on mobile?

I believe the title says it all. As an example, let's say I use the Brave browser on a phone. From my understanding, all legitimate apps or computer software that connect to the Internet have some ...
Kyrill's user avatar
  • 1
1 vote
1 answer
200 views

What are the best ways to block ISP from spying on you

My dad keeps trying to log everything I do with the WiFi, I've gotten a VPN and use HTTPS everywhere, But I'm not completely sure it worked. Is there any other good things to use? Or is this enough, I'...
anon's user avatar
  • 11
0 votes
2 answers
380 views

Can my ISP know that I am using Tor if I am connecting to Tor via an SSH SOCKS5 proxy?

I created an SSH SOCKS tunnel that forwards connections from a local port to a remote server: ssh -N -D 127.0.0.1:1234 [email protected] (i.e. all connections to 127.0.0.1:1234 get forwarded to the ...
Flux's user avatar
  • 913
2 votes
1 answer
280 views

Can my ISP know that I have more than one Google Drive account?

So, I have 2 Google Drive accounts. Let's say Drive A and Drive B. If one day I login/upload to Drive A then log out, then login/upload to Drive B, can they notice that I have 2 different accounts? Or ...
user avatar
2 votes
0 answers
307 views

How to stop a DDoS attack that brought down my ISP

I'm streamer and I guess I'm good target for DDOS'ers. Those bad people know my ISP (but they don't know my IP address - ISP changed that for me when the first attack happened). It's a small local ISP ...
CospriMalice's user avatar
0 votes
1 answer
768 views

My ISP seems to be intercepting my DNS requests even though my router is set to use Cloudflare [duplicate]

I am using an Indian ISP, one that is notorious for DNS hijacking and script injection (BSNL). I have my router set to use Cloudflare's Family DNS. But despite this, every time I attempt to access a ...
ShankarG's user avatar
  • 101
2 votes
1 answer
302 views

How to handle a router from an apparently security-indifferent ISP with no possibility to switch?

My ISP's security strikes me as... somewhat alarming to my admittedly non-expert eyes. They store wifi passwords in plaintext on their website and allow changing it there - this is apparently meant to ...
KeyboardCat's user avatar
0 votes
0 answers
130 views

How to understand risk of a hosting ISP private network?

I am trying to understand the security concerns related to using the private network provided by my hosting ISPs. The ISPs offer a private network feature that only my VPS instances are connected to. ...
Paul's user avatar
  • 131
0 votes
3 answers
28k views

Can my IP address be tracked from an Instagram DM?

Could someone be able to find my IP address and where my ISP is located from an anonymous DM on Instagram? (I am planning to instantly deactivate the account after sending the message if that matters.)...
user268571's user avatar
0 votes
0 answers
24 views

MITM attack on public wi-fi and ISP wired connection [duplicate]

I know how MITM attacks work (theory/videos on the subject etc), but I am a bit confused and not sure what are the worst-case scenarios that can happen. If I'm using a public VPN and someone is indeed ...
kingJulian's user avatar
0 votes
0 answers
33 views

What are the benefits of using a Cloudflare's DNS (not WARP) instead of ISP's DNS? [duplicate]

What advantages users get, specifically, from 'PRIVACY' point-of-view? Can ISP still see and log browsing history? Can user's location be still traceable? What's the ultimate security & privacy ...
Sven T's user avatar
  • 11
1 vote
1 answer
703 views

Does my ISP have a clue about what type of activity I'm doing on WhatsApp/Viber/Telegram?

Can my ISP see the difference between sending messages, making video call, and simply engaging with communities - building on traffic types?
Colin's user avatar
  • 25
2 votes
2 answers
1k views

Why are I and other users of my ISP being used as a proxy server?

I recently noticed a huge amount of downloads made through my IP (iknowwhatyoudownload.com). On the website abuseipdb.com, I discovered some reports of abusive behavior. So I started an investigation ...
Lioncourt's user avatar
0 votes
1 answer
199 views

If my home router password was reset, is that a sign of a security breach?

Recently I started having issues with my home Wi-fi connection. My devices showed as connected to the router, but no Internet was coming through. While trying to log into the router through my browser ...
Village's user avatar
  • 863
0 votes
1 answer
352 views

my ip address comes out from a different ISP/Country

I noticed suddenly something weird on my PC. I am currently in Italy, Google all of a sudden is displayed in Arabic, and my IP is from an ISP in Czech Republic, and it is obviously different from the ...
JohnSnow's user avatar
0 votes
1 answer
245 views

Will ISP know the location of public comment on Facebook via query link? [duplicate]

Let say that a person has made a comment on a Facebook group and in the browser address bar it will have a link with the following format. If someone clicked on this link, it will jump straight to the ...
MaXi32's user avatar
  • 137
17 votes
2 answers
4k 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?
E. M.'s user avatar
  • 171
0 votes
4 answers
2k 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 ...
securityuser234234's user avatar
15 votes
3 answers
5k 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 ...
Anna 's user avatar
  • 151
1 vote
1 answer
419 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!
Dominic's user avatar
  • 45
1 vote
1 answer
867 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 ...
Fat32's user avatar
  • 113
0 votes
0 answers
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 ...
user610620's user avatar
4 votes
2 answers
1k 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 (...
reed's user avatar
  • 15.8k
0 votes
0 answers
224 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 ...
Ink Sys's user avatar
0 votes
1 answer
284 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 ...
Kellen Stuart's user avatar
1 vote
0 answers
139 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 ...
Quirik's user avatar
  • 131
0 votes
2 answers
26k 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 ...
Jay Shah's user avatar
  • 339
-1 votes
2 answers
1k 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 ...
Jay Shah's user avatar
  • 339