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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Get client ip address that is not spoofed

I am using the following source code to get a client IP address, Public Shared Function GetIPAddress() As String Dim context As System.Web.HttpContext = System.Web.HttpContext.Current Dim ...
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0answers
19 views

Setting up a virtual machine in a client's environment [migrated]

I'm a junior penetration tester and recently went into the client's office in order to test an internal server of theirs. They gave me their laptop with Windows installed that is connected to the AD ...
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3answers
156 views

How to investigate an IP address that was involved a security breach?

I'm wondering what one can do if they have the IP addresses that were used by the attackers during a security breach? The specific situation is this - recently two of our servers were hacked into ...
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45 views

IP instead of domain name for non-public web client-server application [closed]

I am building an infrastucture that needs communication between a client and a server connected to the internet network. It is not a public web application, moreover privacy or any kind of encryption ...
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1answer
143 views

Do iPhones send signals with IP address even after it has been turned off?

My phone is gone and unfortunately it was turned off before I lost it. Is it possible for me to track it down with my IP address that I have saved? Because I read some articles that say that your ...
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0answers
4k views

Is my router's IP address really public? [migrated]

I have a common home network consisting of a wireless router with many devices connected to it. I understand that because of NAT, all devices attached to the router connect to the outside of it via ...
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1answer
57 views

Checking the reverse IP address to find all DNS records

In the context of Vulnerability Assessment, what is the purpose of checking the reverse IP address of an end-point to find all DNS records of ‘A’ type associated with the IP? I've come across this ...
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3answers
120 views

Can anyone spy on my traffic if they know my MAC address, local and public IP?

If we are under the same ISP or different ISP? image for more information.
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1answer
108 views

Detect Proxy and Tor exit nodes from an IP in python

I have a database (hadoop) of the users who access my website (their IPs) and i want to check if those users either use proxy networks or the TOR network and block them. I also want to differentiate ...
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0answers
40 views

VDSL modem getting probed?

My ZyXEL VMG8924-B30A VDSL modem recently had these alerts in its log. The WAN IP address of the modem is 10.225.205.128. There was nothing like this before 1 May. What is this? 2019 -05 -01 T16:05:...
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2answers
137 views

Why isn't there a defense system against ARP poisoning?

Wireshark can detect these kind of activites, and warn us by a 'duplicated ip address' message. Why doesn't the router act like this? The other way is to check the cache, and don't allow two different ...
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0answers
36 views

Finding all random IPs and ranges of Torguard VPN or any VPN service provider

I'm securing our networks and want to be able to whitelist all known Torguard VPN ip addresses for accessing my network. I read that I have to use the dig command, but I only get one result when I do. ...
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3answers
234 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
48 views

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
171 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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1answer
189 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
136 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
475 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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0answers
38 views

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
137 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
138 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
99 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
51 views

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
102 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
100 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
33 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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41 views

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
39 views

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
26 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
64 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
86 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
100 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
57 views

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
201 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
331 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
84 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
257 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
205 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
511 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
74 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
306 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
144 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 ...
3
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1answer
112 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
40 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
59 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
100 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
559 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
160 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
304 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
51 views

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 ...