Questions tagged [ip]

The Internet Protocol (IP) is the main protocol for sending packets accross the internet. It belongs to the internet layer in the internet protocol suite with the variants IPv4 and IPv6.

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19 views

Differentiating between multiple grabify IP addresses [closed]

When I used grabify I got numerous IP addresses. What does this mean and which IP address is the right address?
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Is it possible to convert an IP packet into a grayscale image through the help of deep packet inspection? [closed]

I am working on building a malware classifier that works by using gray-scale images of the dissasembly files. This method has been outlined in multiple research papers, here is one: https://ieeexplore....
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What are the IP address with subnet mask of essential data Center and countries? [closed]

I would like to prevent connect residential IP and mobile device and Internet of things IP Is there a white list of IPv4 and IPv6 address with subnet mask of essential data Center only by countries? ...
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Unknown Cause of SPF Fail

I have the following SPF record: v=spf1 include:_spf.mailspamprotection.com include:_spf.google.com ip4:209.85.220.0/24 ~all Although I have included _spf.mailspamprotection.com in my SPF record, ...
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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.)...
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84 views

Is an IP based whitelist practical for controlling internet use?

I have to set up internet controls for our schools study hall/testing center. The idea is that computers on that network should only be able to access the school's webportal and learning platform ...
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1answer
256 views

Using Github's Public IP Address as Remote URL

My company distributes software that runs on locally installed Ubuntu Virtual Machines. To update the software, we pull our latest code down from Github. Some IT departments have github blocked on ...
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1answer
88 views

Why are Bogons preferred in DDos attacks?

I am currently reading literature that states that Bogons are commonly used by attackers when conducting DDos attacks. I did some searching for an explanation and all I could find was that "...
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55 views

Reverse-proxy issues

I am trying to create a reverse-proxy web application using Flask. I don't really know weather to call it reverse-proxy or not but my idea is that the web app gets a URL from ../proxy/<URL>, ...
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WebRTC IP leak in 2021 [duplicate]

it's been a while since WebRTC was seen as a possible opportunity for IP leak when using a VPN. We're in 2021 today and I was wondering if there have been some improvements with this protocol in term ...
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Do authorities have a limited amount of time to pursue cyber-crime? [duplicate]

If authorities find access logs or some other linking between an IP address and the access of illegal materials online, in order to trace down who the owner of the IP address is any IP assignment logs ...
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133 views

Real-world application of network steganography

I recently came across a topic of network steganography, mostly connected with modifying the headers of IP, TCP, ICMP. I was looking for some real-world examples of malware that uses it. I only found ...
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I clicked on a link that got my ip leaked [duplicate]

So i clicked on a link to play a game with someone but it turns out the link was an ip grabber i think. The hacker now knows what country i live in and the password to the game account. I don't know ...
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253 views

Someone got my IP address, and I'm scared they might find me [duplicate]

Around a year ago, I was on Reddit and clicked on a hyperlink, not knowing it grabs your IP. Ever since then, the person who grabbed my IP would sometimes comment on my Reddit posts and comments ...
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Sending meaningless Addresses requests to a series of malicious IPs

i was testing somethings on browsers(It has nothing to do with what I am going to say) and accidentally i faced a case that when i browse meaningless addresses like abc/ signortest/ word/ the request ...
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I clicked on a grabify link and I don't know if it installed a virus [duplicate]

I was in a discord recently and someone sent a grabify link. I clicked on it and it led me to a soundcloud page. I think my firewall on my router is alright, is that enough to prevent them from doing ...
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347 views

Risks associated with IP whitelisting

I was told that IP whitelisting should not be considered safe and are hence obsolete. I fail to understand why this statement holds: can IPs be impersonated? if not, then why is it a bad/obsolete way ...
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133 views

Relationship between DoT / DoH and HTTPS

I'm trying to understand the different roles that DoT / DoH and HTTPS are playing when it comes to protecting sensitive data in the internet. I spend the day reading a lot of stuff about DoT, HTTPS, ...
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22 views

Is it ok to give out IP address to web developer [duplicate]

I’m currently working with web developer and he ask for IP address. Is it ok for me to send or is he trying to give me a virus or something
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1answer
572 views

I clicked on a grabify link. What can someone do with my IP? [duplicate]

I clicked on a link in discord not knowing it was a grabify link. I understand that an IP only gives your general location but what else can someone do with my IP? Can they find a way to access my ...
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I clicked on a phishing site [duplicate]

I accidentally clicked on a phishing link when I was going to a manga website that I usually go to but accidentally clicked on a website that was pretending to be the actual site, and I immediately ...
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1answer
957 views

How to ensure identity for server-to-server communication over IP

How would one go about ensuring that a server at a given IP address is who it says it is? I need to send confidential data to another server at another IP address. If the server had a public domain it ...
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nmap -sn different results than - sL (-sL shows missing host from -sn)

Executing nmap -sn 192.168.2.1/24 gives all hosts but 1 (192.168.2.116 just won’t show). ping 192.168.2.116 works flawlessly. Nmap -sL 192.168.2.1/24 shows all hosts also the missing 192.168.2.116 ...
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sending an email without being traced (IP, identity) [duplicate]

I want to send an email through Gmail without the other side being able to trace me. I actually want to report something. I opened up a new Gmail account with a fake name (I used Tor to log in). I did ...
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1answer
669 views

Is VLAN better than guest wifi feature

I own the internet connection and router and going to share it with apartment mates. I want to accomplish the following things Isolate our networks, such that they cannot see my internet activity or ...
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4answers
223 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 ...
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87 views

Could an OS or app store and send my old IP after I start using a VPN?

If I connect to a VPN, go to some websites, post something or browse something, is it possible for my OS (Windows 10) in this case to: Store my IP before I connected to the VPN, say "old IP"...
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129 views

VPN doubt about "encrypting" an IP address

According to Kaspersky Encryption of your IP address: The primary job of a VPN is to hide your IP address from your ISP and other third parties. This allows you to send and receive information online ...
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1answer
108 views

Person tried to login in my website with non-existent username, but not a VPN nor Tor

I am managing a WordPress website. I have installed the plugin "Limit Login Attempts Reloaded". This plugin sent me an email saying that A.B.C.D has tried to login with the non-existent ...
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132 views

Is every packet in a home Wi-Fi which has say, AES password for connection, encrypted using the same password?

If there is an intruder in a LAN who knows the encryption type and password, will he be able to monitor all the packets which are in the LAN? Suppose someone on the LAN is visiting HTTP sites, which ...
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335 views

How do I find the IP address of a specific device on the local network? [closed]

I would like to learn how to find the private IP address of anyone connected to a network. This specific network has a firewall. The only info I have on it is that it blocks ICMP requests (I'm pretty ...
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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 ...
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Setting up VPN tunnel: what are the possible ways by which my true IP address could leak? [duplicate]

I bought a subscription to a VPN service and I set up the VPN tunnel using openvpn. In order to avoid DNS leaks, I am using the DNS servers provided by my VPN provider by manually enforcing /etc/...
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4answers
109 views

HTTP access from a single IP [closed]

If I were to configure a server that would be configured to only be accessible (HTTP) from a single IP address via a port, is it safe from unauthorized access?
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1answer
110 views

How to hide your ip information when visiting a website? [duplicate]

I am a data collection worker, and I usually have a large number of website resource collection tasks, how to hide my IP information when collecting. I do not want to be traced to my personal ...
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8k views

Can I change my public IP address to a specific one?

It happens that I participate in a bug hunting program and analyzing the app I realized that there is a particular parameter that is very important for access control and that only changes with the IP ...
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125 views

Can changing your IP address prevent an NMap attack?

If an nmap attacker started a port scan on my network, would changing my network IP address prevent/halt it?
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217 views

What client-cert validation can be gleaned from DNS/reverse DNS lookup?

I'm learning about X509 certs used in client-cert authentication to https endpoints. I have a nice Python script that checks many facets of the client-cert. Is there any validation that can be ...
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1answer
147 views

Data needed for ISP to identify users

If the following data is known: URL of web site X, Exact time and dates when the visit to web site X occurred, Anonymized IP address of web site visitors (without the last digit, e.g. 125.251.101.x), ...
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72 views

Skype resolver? [duplicate]

Got a call from "Group%20Maker" in the morning, it was straight away deleted from my Skype history but iOS kept track of it in my incoming calls. I have a feeling someone was trying to ...
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54 views

How to identify the usage of the tcp/ip Trek Stack

In order to mitigate the potential exposure to ripple20 zero-day, I must identify the device/s that have the Trek TCP/IP stack installed. Can I do this with software like LanSweeper? Or must I check ...
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1answer
485 views

How do I serve a webpage on a local PC without revealing my IP-address to end users? [closed]

Are there any ways to serve a webpage locally without revealing IP to end users?
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8k views

Got a call from "skype-resolver" on Skype. Should I be concerned?

This morning, I found out that I received a call from "skype-resolver" in the middle of the night on my phone. When I went to Skype, the call was nowhere to be found, presumably because the ...
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I now receive advertisements from a site used by a guest on my wifi she was on OS X I'm running LInux did they track my IP address only?

I seems a little strange that the only thing in common between me and my guest is that she was on my wifi and thus using my wan ip address, yet I am receiving advertising from a site she used. I'm ...
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121 views

Extrapolating home address of a visitor when they click on an e-mail phishing link (Mr Robot)

In Mr Robot season 3, the feds are set up in a safe house spying on Elliot's internet communications (with packet sniffers?) when they intercept an email from Elliot to someone else containing a link ...
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447 views

How does Shodan take screenshots from webcams which have authentication?

I just got my academic license for Shodan and I was playing around it. I noticed that when I use the has_screenshot:true filter it even shows screenshots from sites which requests authentication. How ...
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My friends are disrupting my internet connection [duplicate]

My friends have my ip address and they're all programmers/hackers. They've been interfering with my wifi connection several times today. Asking them to stop or saying "they won't do anything"...
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162 views

If an IP address is known, can all of its browsing activity be viewed by an outsider? [closed]

Internet service providers (ISP) can choose to have full information on the browsing activity of one of its subscribers. Can an outsider, who is not the ISP, but who simply knows someone's IP address, ...
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1answer
85 views

Internet privacy, VPNs, etc. Am I anonymous? [duplicate]

I am a member of a forum that recently disabled my account because their system picked up another account from my household. Anyways their terms of rectifying the situation are pretty invasive to my ...
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1answer
77 views

Does forwarding a link expose my IP address? [closed]

So my friend sent me a IP grabbing link. I copied and pasted into playstation messages and sent it to my cousin. I’m wondering if my friend got my IP because I copied and pasted. I didn’t open the ...

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