Questions tagged [isp]

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

0
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0answers
6 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?
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2answers
112 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
124 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 ...
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2answers
92 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 ...
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0answers
76 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
103 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
220 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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1answer
54 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 ...
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0answers
44 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 ...
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2answers
111 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
vote
2answers
137 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
25k 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?
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3answers
143 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
177 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
45 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
votes
1answer
101 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
256 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
274 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
664 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
134 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
votes
1answer
148 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
votes
1answer
89 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
80 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
86 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
314 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 ...
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2answers
125 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
291 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
votes
1answer
326 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
5k 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
votes
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
votes
3answers
169 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
433 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
258 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
71 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
357 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
131 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
101 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 ...
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2answers
106 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
104 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
157 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
14k 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
414 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
409 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-...
10
votes
4answers
888 views

My ISP shows my WiFi password on their public site in plain text. Should I be worried?

I recently noticed that when logged into my ISPs (Spectrum) public, external site that can be accessed outside my network, I can see my home network's WPA2 password in plain text. This clearly means ...
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1answer
242 views

Monitoring setup compromising online privacy [closed]

Original post has been updated and includes more details, hopefully it will be sufficient. Background I'm hoping that someone here has the adequate knowledge along with suggestions as to what can be ...
-2
votes
1answer
142 views

Is the ISP connected to the cellular network? [closed]

If the ISP is monitoring all internet activity that leaves the home router, will they still be able to monitor the internet activity if you connect to the cellular network from a phone? Is it possible ...
1
vote
3answers
39k views

Can my ISP provide my parents with what sites I visit? [duplicate]

Ok so I'm LGBT, but I'm not out to my parents. They wouldn't be very accepting- and I don't want to be in an environment where they know because trust me it would be a bad situation. However, I want ...
2
votes
1answer
731 views

Is it possible for my ISP to do MITM attack on my VPN? [duplicate]

Yesterday my ISP dropped my connection for several hours. This idea came to me during that time. Is it possible for my ISP to do MITM attack on my VPN when he knows I start it almost instantly as he ...
0
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1answer
763 views

Is SSL + DNScrypt enough to hide visited domains from my ISP?

I've been using VPN lately which I configured on Ubuntu machine in Germany, and I do not feel comfortable using it because of high latency. So I found DNScrypt. Since I only want to keep my browsing ...
2
votes
0answers
68 views

Filter out ISPs from Whois results [closed]

I was wondering if there is any efficient way or any service (free or not) that may help me in order to identify companies behind IP addresses. I figured out that in some cases Whois may be really ...