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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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How is our IP is transmitted to a web app? [on hold]

How does a web app know what my IP is? I check requests that go from client to server through an intercepting proxy but it obliviously didn't have that. Then I researched about this, and I found it ...
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37 views

How does cellular data differ from an ISP, and what can be tracked? [migrated]

Are IP addresses given to a phone static or not? Also, how can phone companies keep track of a person if they wanted to find them? For example, I don't have an account and use a pre-paid card. I'm ...
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3answers
219 views

Torrented files under my IP address

Last year (2018) I was accused of torrenting Files whilst in my residence in Germany. I have never torrented any file ever. One thing that stands out is that during the same day CyberGhost (the VPN [...
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1answer
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Question about hping3, TCP and ngrok

I have set up a experimental setup which consists of: Windows PC with ethernet cable; Arduino shield (connected to Windows machine with USB) with LTE connectivity sending data using TCP/IP to ngrok; ...
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1answer
84 views

Someone said they have my ip and my internal ip. They threaten to post it on the internet. What should I do? [duplicate]

They threatened me with a “I have your up and your internal up. I’m going to send it on the internet unless you do exactly as I say” what should I do? I’m doing what they say but I’m petrified.
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164 views

How is Instagram detecting me and blocking me each and every time I try to create a new account through different medium?

I have two Instagram accounts, one is mine (Account A) and the other (Account B) is for random images with my pets and a lot of other stuff. Account B is private and has been from start, recently I ...
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1answer
122 views

What’s the best way to report an IP address from Romania?

I recently received an email from a company sending me a security code that I didn’t ask for. It showed me the IP address that the request came from and it shows that it is in Romania but I live in ...
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4answers
435 views

Router Receiving Unknown Packets from the Same IP and Port Even After Address Rotations - How?

One of our client's routers is receiving packets from the same source IP address and port repeatedly, even when the router is rebooted and obtains a fresh dynamically assigned IP address, and while no ...
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Retrieve hostnames for IP addresses to connect to HTTP services, when no (reverse) DNS PTR records are available?

I'm conducting a penetration test, where I'm facing the following problem: After having retrieved a set of IP addresses through tools like whois, I cannot successfully connect to the HTTP-based ...
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1answer
70 views

mitmf doesn't work when disabled ip forward

I have virtual machine windows connected to NAT network. I also have kali linux virtual machine connected to same NAT network. I have port forwarding disabled. cat /proc/sys/net/ipv4/ip_forward gives ...
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2answers
114 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 ...
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1answer
93 views

Is it normal for my IPv6 to change?

My IPv6 is changing a lot, exactly three times in last three days (I saw on Microsoft's last activity), and all accounts that I keep login on my browser have disconnected. The actual IP is listed by ...
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2answers
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What happens if I use a proxy through software such as Proxifier and also use a software which supports working through proxy servers?

Let me give you an example: I use proxifier to use a proxy that uses IP from Germany. So when I check https://www.whatismyip.com/ it shows as if I'm from Germany. So imagine if I have a software on ...
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0answers
96 views

Hacked Raspberry-pi server

My internet provider doesn't let me open my ports, it's an optional service, and even when they finally said over the phone that I was allowed to open the ports I was still not able to. So I was ...
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5answers
99 views

How to stop a request for an external image from exposing my IP to the server hosting the image?

Suppose I have a server A, and that there is a website W hosted on A. The HTML of W contains: <img src=https://www.domainD.com/testT.jpg> Then I have a computer C, that accesses W. Will ...
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1answer
32 views

IP suite packet integrity [closed]

Finally, while the IP header contains a noncryptographic checksum for verifying the integrity of the header, there is no attempt to do the same for the payload. Source(Introduction to Computer ...
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Mediafire Privacy

In their Data retention policy Mediafire states about the download records: These are short term logs of who accessed and downloaded content from whom’s account. We keep this for the minimum amount ...
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0answers
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What information can be obtained with my public ip? [duplicate]

As I understand it, my public ip is known for everyone who communicates with me over the internet. I'm concerned about security, and my doubt is, what can a malicious agent find out about me by ...
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2answers
24 views

Questions about WhoIsData-Requests and IP [duplicate]

when I use websites (server A) like https://check-host.net/ip-info to get Whois-Data or the IP from another website (server B)... 1) ...do, generally speaking, those websites (server A) connect ...
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1answer
56 views

Can IP address considered as a useful feature for intrusion detection?

I am trying to build a machine learning model which classifies attacks. My data has a bunch of IP addresses, and I don't know if I should use the IP address as a feature to detect attacks. I found ...
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1answer
80 views

How do these attackers find my IP? [duplicate]

Recently, I have been reading a lot of my ubuntu log files (in /var/log/auth.log), and I can see that some IP addresses are actually trying to 'brute-force' their ways into my VM using SSH by testing ...
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1answer
70 views

ARP poisoning NAC

I need some help in understanding the technique of Genians/Trustwave NAC regarding ARP poisoning. As seen here Bypassing Trustwave NAC, it looks like a good method, but I don't simply get it. With ARP ...
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0answers
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Does Google Analytics maintain a database of IP addresses that visited a webpage? [closed]

I am attempting to balance my need for analytics with privacy concerns. I know that Google Analytics offers an IP anonymization feature to remove the last octet of visitors' IP addresses, should a ...
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3answers
198 views

How hard is it to suspend and track a twitter account seeking ransom from govt. organizations?

Am asking in reference to this Twitter account - DarkOverlord . It threatened to post decryption keys, for the documents pasted on pastebin (archived), and few minutes ago it did post them. Couldn'...
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1answer
261 views

Google Chrome Linux with Activity of Unknown Device

I've recently noticed a strange comportment on my Google Chrome Browser with GMail, where suddenly appeared a connected Unknown Device, with a double connection and with the same IP than mine, looking ...
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1answer
80 views

Could my pc's mac address be guessed and thereby stored by websites? [duplicate]

If I don't use a vpn, should I disable IPv6 to avoid my pc's mac address be guessed ? While paying online, once I saw a bill that included my IPv6, should I be concerned at all?
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1answer
228 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 ...
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1answer
140 views

Is it easy to evade a ban if you have a Dynamic IP? [closed]

Static IP, I get it. Once it gets banned, you are done on that IP. But what about Dynamic ones? Let's say I am playing on a game server and the administrators decide to ban me for cheating. They ban ...
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1answer
184 views

get ip address of person from facebook chat [closed]

A person was bugging my friend not necessarily threatening, but like sending useless messages for a long period of time on facebook. Is it possible to obtain the IP address of such person? (and then ...
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1answer
72 views

How can I choose the IP sites see from me?

I'm wondering how can I change and select the IP address sites see from me so I can create multiple accounts from the same device?
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1answer
189 views

What does this activity record of gmail mean, when it says an authorized application with IP from India?

There is a record in my Gmail's activity: Access Type : Authorized Application (860033281504.apps.googleusercontent.com) Hide details "name: Yahoo Mail Client" "vendor: Yahoo" "...
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1answer
125 views

Is it possible to obtain someone's private IP through IP logging?

Let's say Alice sends Bob a link through email, social media etc. The link logs Bob's IP if Bob clicks the link. If I'm correct, the IP Alice gets is Bob's public/ISP IP address. Is it possible for ...
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1answer
111 views

Firewall Showing 1,000's Of Strange GET Parameters Being Sent To Login Page?

So I woke up today, and checked my Firewall Events on CloudFlare for my website like I do normally. Most of the time I'll just see thousands of failed SQL injection attempts, but this morning I was ...
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1answer
34 views

Can you serve up special content to an end-user based on IP or other identifiable data?

Is it possible to serve up specific content to an end-user? For example, I know your IP address, and other device information. Can I use that to serve up certain search results on a search engine, ...
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1answer
57 views

Is dedicating ips for each domain better than sharing one ip?

Would sharing an ip for multiple domains cause any kind of security problems? Imagine there are multiple domains which should be hosted on a server. Which is more secure? Sharing one ip for all the ...
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2answers
83 views

Reseting passwords using IP address

I sent a password reset request, to reset an account of mines and after having some talk with a rep I told him I forgot the email to the account which he told me to just provide the IP address that I ...
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2answers
275 views

How does Gmail detect if my email account is accessed from another computer?

How does Gmail detect when my mail is accessed from another computer? Does it keep track of my MAC address to check whether a new device is used? I think it doesn't have anything to do with IP address....
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3answers
128 views

Should I block IP adresses that made attacks attempts and were block from an IPS through the rules?

We have an NIPS blocking attacks based on bad behaviors (rules checking the data in the network packets). Should I block the IP that the NIPS linked to attack attempts? It feels like the NIPS is ...
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2answers
245 views

Why IPv6 showing on whatismyip.com?

I use Tor Browser on Whonix. Why I see IPv6 (something like 3221:23f9:c:67h:0:0:0:3) on whatismyip.com? Is that website can see my MAC Address?
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2answers
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Verify my scenario of Internet infrastructure security [closed]

I have read a bit about Internet infrastructure recently. I have figured out how the IT crimes are easy to cover and quite confident way to perform any attack without traces. I got suprised that is ...
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10answers
13k views

Can someone get my home address if I click on a link to a IP logger?

So I was going through my email and accidentally clicked on a suspicious link. It was a quickmessage.io link, which I had no clue what it was. When I clicked on it, my anti-virus came up and blocked ...
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1answer
142 views

Is sharing you IP address dangerous? [duplicate]

I was wondering, What is the most damage someone can do with your IP address and what attacks can be carried out? Thanks!
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1answer
322 views

Injecting a TCP packet into existing connection

let's see a scheme: and I would like to consider two cases: All IP addresses are public, a cloud is symbol for the Inernet. The first one The H has an established TCP connection: C = (210.10.10....
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1answer
160 views

VPN vs real IP address

Is it more secure to use a VPN that has open ports? 22/tcp open ssh 53/tcp open domain 80/tcp open http 110/tcp open pop3 443/tcp open https 500/tcp open isakmp 1723/tcp open pptp 4567/tcp ...
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2answers
381 views

How to find a “secret” gateway

I'm practicing penetration testing and I'm in front of a basic routing exercise. The context is the following: I'm using a virtual machine with Kali Linux from which I connect in VPN to the network ...
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2answers
134 views

Get IP address of camera

Is it possible to get the global IP address of a nearby camera? For example, an IP camera that is connect to a network, but you are not on that network, and cant get access for whatever reason) but ...
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2answers
67 views

Network provider blocking URL, even though connection made to IP

I came across an interesting case today, which with my limited knowledge I'm unable to understand the working of. I was trying to access a bit.ly link, but it is blocked by my University. Knowing ...
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2answers
315 views

IP reputation lists of malicious/suspicious IPs (paid or free) [closed]

I am looking for (also paid) option to get a list of bad, malicious IPs. Are there some vendors selling those? So far I found many IP lookup website and lists, but they relate mostly to SPAM. I want ...
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1answer
247 views

Port forwarding to ip address in LAN that is not available

Consider the following situation: In a LAN the router is configured to forward one incoming port from the WAN to a specific local ip-address/port. My question is, how is the security in this ...
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2answers
442 views

IP Addresses not showing up in Facebook login history

A few of my husbands friends (we believe) have been logging into his Facebook and messenger. They are in the Netherlands and we live in the US, however, he used to live there and they know his ...