Questions tagged [isp]

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

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0answers
92 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 ...
29
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10answers
7k 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
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1answer
79 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 ...
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2answers
98 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?
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2answers
121 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
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1answer
75 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
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0answers
7 views

SSL/TLS connections over VPN [duplicate]

When communicating with a server using SSL/TLS via a VPN, can the VPN or ISP intercept the communication and understand the data being sent?
0
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2answers
405 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
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1answer
165 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
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2answers
120 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
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0answers
86 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 ...
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2answers
107 views

Is it expensive for ISPs to store browsing, text and call logs?

I couldn't really find this answer anywhere. If an ISP was to record every browsing, call and text we make/send, would it be expensive for them log and store this? Assume an ISP has 4 million devices ...
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3answers
283 views

Will pentesting my own LAN violate ISP rules? [closed]

I want to learn and practice penetration testing on my own network, and I want to be sure I'm making it legal. Is there a system that reports to my ISP that I'm making suspicious activities, even if ...
0
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2answers
69 views

Securing Home Network using 3rd Party Firmware / Access Points

I've been having some trouble on my home network and thought that having a router as an AP would help fix these attacks. At first it did, but now it seems the attackers have gotten through. For all I ...
0
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0answers
46 views

What ISP know about my local network when I use their ONU?

I have FTTP (Fibre to the Premises) and a GPON ONU given to me by my ISP. I know they can see hostnames and MAC of devices connected in ONU. If I connect my personal router to this ONU and then ...
0
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1answer
142 views

How Hathaway ISP shows renewal reminder in non secure website?

I am using prepaid broadband plan of Hathaway (in India). Few more days are left for the plan to get expired and I observed the below screenshot. This popup comes only when I visit any non-secure ...
0
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2answers
128 views

Using a decoy traffic while using the internet

Since the ISP knows what sites I visit and they can assume or predict that I'm using Tor if they are monitoring my traffic, how can I distract them by making them see that I visit some particular site ...
1
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2answers
194 views

Is it impossible for an ISP to block access to a site that has a dynamic IP?

I was reading on how ISPs in many countries block access to many sites. This got me wondering -- How do ISPs block sites in the first place? I found answers here, and reading through, it became ...
53
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8answers
27k views

If I delete my router's history can my ISP still provide it to my parents?

If I delete my router's history, is it still visible and can my ISP still provide it to my parents? Or is it deleted from existence?
2
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4answers
244 views

Can an ISP detect or log specific devices connected to ISP-provided home routers?

Let's say I’m using a Dell Inspiron Laptop. Does my ISP have a log of this or can they detect what devices are connected to my router?
1
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1answer
405 views

How long do ISPs retain data? [closed]

I recently came across an article informing people about how long major ISP’s store user data such as IP assignments and other user data. On average, companies supposedly stored this data for 6 months ...
0
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0answers
46 views

Real time chat - is it possible to see messages from it again

I have a theoretical question. If you went on a website which provides real time chat service, and only login information it requires is a username of your choice, and the website adress was https, ...
0
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1answer
105 views

What is the power of my ISP about my modem? [closed]

I have speed problem for my internet connection. When I called my ISP they said that the source of the problem is your VDSL modem.TTNET is my ISP and modem is provided by ISP. I wonder How they can ...
7
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1answer
279 views

Do major ISPs still ignore IP spoofing?

I was reading this question: Why don't ISPs filter on source address to prevent spoofing? and based on those answers, ISPs ignore it because of the overhead of checking for spoofing. But that ...
0
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3answers
412 views

Does a self-hosted VPN (openvpn) at home encrypt traffic for my ISP? [duplicate]

Title says it all. If I host my own VPN at home (using openvpn), and connect my devices to it, will my ISP be able to see the contents of my traffic?
4
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2answers
1k views

How does DNS over TLS prevent your ISP from seeing the websites you visit?

For example, I'm using DNS over TLS in Android Pie. This happens: I visit a website (google.com). I send a DNS query to the DNS server, and the response is the IP address of google.com. The ISP knows ...
1
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1answer
153 views

Is a fake address/info to an ISP/service enough to be untraceable in theory?

It got me thinking recently. Wouldn't a fake/incorrect address be enough to deter investigating/finding a criminal via cyberspace? The reason we know it's so easy to find someone is because they give ...
0
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1answer
149 views

How to prevent my ISP or any third party from knowing my browsing history and such without VPN or DNS servers? [closed]

Is it possible to encrypt my data before sending it through my ISP so all they see is an encrypted stream of what I am doing? How will that be possible? This should be done without using VPN, Tor, i2p,...
0
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1answer
94 views

How can a router or my ISP protect against phishing? [duplicate]

I see a few services advertising the ability to protect against phishing and ransomware attacks. ISPs sell services which supposedly protect you and some routers like Check Point 700/900 series. Is ...
-1
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1answer
88 views

Online traffic monitoring by ISP for safety purposes [closed]

I have a question regarding approach to online security and protection against viruses, malware and phishing by one of the biggest European ISP. Below you will find my understanding of the topic. Is ...
2
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1answer
116 views

OpenVPN configuration and ISP's DNS

I have configured OpenVPN server for using Clouflare DNS - 1.1.1.1. I use OpenVPN connection in the next way: sudo openvpn --config Config.ovpn on my local machine in WiFi network. My ISP provider ...
1
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2answers
376 views

Is this a viable defense against correlation attacks?

So, I guess most of you know that the true identity can be revealed if somebody controls the entry and the exit node of your Tor-connection. Let´s say I´m connecting first to an encrypted VPN Server ...
1
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2answers
130 views

Can an ISP limit what security software (firewall) that will work?

My ISP (JCOM) says that McAfee is the only security software that will work with them. Is that true? The system is running Windows 7 Home Premium Japanese Version. The McAfee system is provided by ...
3
votes
3answers
399 views

Is a DoS attack possible on a single home connection when the ISP uses NAT?

Today almost all ISPs use a NAT system to assign more people the same IP (at least where I am), probably because the IPv4 addresses are ending and they want to save money. Is it possible to make a DoS ...
-1
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1answer
401 views

Can VPN prevent ISP from tracking? [duplicate]

Is VPN able to hide the traffic from the tracking and viewed by the ISP or even government units? Is VPN able to bypass the ISP internet hotspot quota limit? How did ISP track/identify whether user is ...
4
votes
2answers
7k views

Is it dangerous to disable the IPv6 firewall built into many home routers?

The router that my ISP has delivered contains an IPv6 firewall. The only configuration option is whether it is on or off. Apparently, this firewall simply denies all incoming connections. I ...
-2
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1answer
56 views

How to use Cox ISP and maintain secure account information? [closed]

Cox ISP has been changing my account information like my address, phone number and name to the wrong addresses, names and phone numbers. I ask them to make the corrections and they don't. Instead ...
0
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3answers
184 views

Do VPNs connect to my ISP?

When I ask the VPN server to do the queries for me, does the VPN use its own ISP to run the queries over the internet? Or did the VPN server use my ISP connection to search over the internet and by ...
0
votes
1answer
485 views

Can someone eavesdrop on my home network? [closed]

My network setup is: First router+modem connected to ADSL cable Second router is connected via LAN to WAN to the first router My computer is connected to the second router via ethernet cable. there ...
4
votes
2answers
283 views

How does my ISP see information about my PC?

Recently I called my ISP and talked to them about a problem I experienced with a PC. They asked me "Are you talking about the PC that is connected in port 2 with X hostname?" It got me wondering how ...
2
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2answers
73 views

Can ISPs be helpful in preventing spam?

I have received a number of phishing emails from various domains. I would like to prevent the domain from sending emails so that other people also don't get taken advantage of. I have not been ...
1
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1answer
376 views

Management interface on Cisco router

In my company we had firewall as edge device with the internet. Behind this central firewall we have management network. Now we had to put Cisco router in front of central firewall, as part of some ...
0
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3answers
139 views

Can an ISP see hostname of VirtualBox

I know ISP see the hostnames of devices connected to them Does ISP see the hostname of VirtualBox Machines ? Also do they see MAC address of Virtual Machines ?
4
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1answer
104 views

Can restarting a router result in its software being updated?

Articles in the past few days have mentioned the FBI recommending folks restarting their routers to avoid “Russian” malware from affecting some 500,000 routers. This made me curious; what could ...
1
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2answers
114 views

Could an IPS have blocked an attack on a vulnerable router/firewall?

Thinking about the recent news regarding SOHO routers vulnerable to the VPNFilter attack: https://arstechnica.com/information-technology/2018/05/fbi-tells-router-users-to-reboot-now-to-kill-malware-...
3
votes
1answer
109 views

TCP timestamps: available to whom?

I was told that an adversary can figure out system uptime by looking at TCP timestamps. But I'm not sure who exactly can see this information. For example, if I set up a hardware Tor gateway so that ...
2
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1answer
170 views

Does your ISP know your router's name?

If you named your router "A" then changed it to "B", would they know / be notified
59
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3answers
15k views

Does your ISP know what type of phone/computer you're using?

For instance do they know whether you're using an iPhone or Samsung?
-1
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2answers
459 views

What is and how good is an ISP-provided antivirus?

Today I had my Internet provider to install Internet Fiber at my place. I've been asked whether I wanted the antivirus service. I am aware you can (and should) install an antivirus on your computer. ...
4
votes
1answer
468 views

Is my ISP hosting malware or has it suffered a sub-domain takeover, or is my router compromised?

I'm new to this netsec stuff but I wanted to ask an opinion about what is going on here. I've been doing some web development and have been using Codekit for ages, but recently noticed that it's in-...