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0answers
18 views

What Does Putting Each Subscriber of ISP in One Subnet of His Own Mean?

I've noticed that I used to be assigned an external IPv4 from my ISP and a 24 bit mask (255.255.255.0), then it changed to 255.255.255.255, today I was studying IPv4 subnetting and I understand that ...
-7
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0answers
59 views

I was hacked. How to report the attacker's IP address? [on hold]

This IP Addresses tried to hack my account. I want to report it!! Cáceres‎, Spain IP Address 88.5.9.213 rima-tde.net Browser Firefox 30.0 Platform Windows
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2answers
81 views

Broadband security question

I have a fixed line broadband connection at home. This morning when I tried accessing Google or Facebook through my browser (Google Chrome) I got a webpage asking me to update my flash player. I found ...
0
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1answer
29 views

Tracking IP address to prevent abuse without logging user metadata

I am trying to balance good security practices against excessive logging of user metadata / Personally Identifiable Information. I am constructing a web app that tracks IP addresses to prevent abuse, ...
1
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0answers
68 views

What are the benefits of IP Whitelisting? [closed]

While IP Whitelisting can be usefull in certain circumstances, it can also be a great annoyance that kind of secures through obscurity. It doesn't really restrict unauthorized requests as IP spoofing ...
1
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0answers
18 views

Should my server ever need to directly communicate with the NAT gateway? [migrated]

What I mean by ``directly communicate'' Does it ever need to receive packets with the gateway's IP address as the source IP address, or send packets with the gateway's IP address as the destination ...
0
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0answers
27 views

What are these netstat entries?

UNKNOWN:7676 TIME_WAIT There were about 7/8 of these, listed as active connections on tcp. Another was 107.170.31.200:http TIME_WAIT 3 of these, as active connections on tcp. Then: ...
3
votes
2answers
89 views

Hiding and faking my location?

I read this: Reveal the True IP of a User I am using Hola Unblocker to hide my IP address. This appears to work when I go to netflix as the site treats me as a US resident (which I am not). This ...
5
votes
2answers
133 views

How are logs stored with ISP?

When dynamic IP addresses are assigned to users how do they store the logs? Do they just store the time and address of the websites visited or do they store the whole URL like we see in our browsers, ...
0
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0answers
20 views

Is it possible to covertly tunnel data using L3DSR? (or any other TCP or IP layer hack)

I asked this question on ServerFault regarding how a Netscaler embeds low level data in a TCP packet, round-trips it, and then uses that data to loadbalance the user. Similar to DNS Tunneling, I ...
5
votes
2answers
950 views

Can someone know my IP address through Thunderbird email attachments?

Can someone know my IP address through Thunderbird email attachments? Can a cunning attacker manage to find my IP address through attachment 'images' in emails that I unsuspectingly open?
4
votes
3answers
126 views

Ip tracking of stolen laptop

Somebody stole my laptop. I made a connection to it while he had Teamviewer still running. The police says that they can't start tracing the laptop because the IP is abroad. But what doesn't make ...
2
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0answers
86 views

What are shodan's IP addresses? [duplicate]

I'm attempted to eliminate a lot of the malicious traffic on my webserver as possible. In doing so I have performed a few tests and found that when my server is not listed on shodan there are no port ...
28
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3answers
11k views

How do you stop a hacker when their IP address is 0.0.0.0?

Wordfence reports the following visitor: An unknown location at IP 0.0.0.0 visited 4 hours 45 mins ago IP: 0.0.0.0 Browser: Baiduspider version 2.0 Mozilla/5.0 (compatible; Baiduspider/2.0; ...
1
vote
1answer
151 views

Multiple people have the same iPhone IP address

I am an admin of an immigration forum. Security is my job One and protecting our members's info is my highest priority. Recently, I discover that there are 3 members who have posted from the same IP ...
38
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2answers
4k views

Is it good practice to ban an IP address if too many login attempts are made from it?

Since an IP address does not necessarily represent a specific device, but probably a whole network/company/etc. does it at all make sense to block an IP address if there is a significant amount of ...
1
vote
2answers
187 views

Does gmail's TOS allow Google to steal your emailed ideas?

Is it unwise to use gmail to discuss business ideas that Google could snoop on and use to their business advantage? I know that email is not secure and anyone could read it along its path of ...
0
votes
1answer
70 views

My Control Panel and online IP addess tools report different results for my IP address [closed]

Control Panel says it's 192.168.1.1; Google, whatismyipaddress.com etc. says it's 75.92.141.32 When I put the IP address reported online in my address bar I get a Nokia login page, but my ISP is ...
0
votes
2answers
69 views

IMEI or IP being recognised?

Can a website see my IMEI number? I have been banned from a website for multiple accounts, although I always cleared cookies, disconnected and reconnected from "the cloud" which gives me a different ...
0
votes
1answer
178 views

What's gonna happen when all IPv4 changes to IPv6? [closed]

I was guessing what could happen when all IPv4 be changed to IPv6 , like pen-testing tools and network configuration for common users. Will all the IPv4 be automatically translated to a IPv6 new one ...
1
vote
1answer
164 views

How to identify hashing algorithm [closed]

I want to identify the hash algorithm used by an online service. What I have now is thousands of pairs of original string and result hash. Some examples: 62.152.39.195 25d10817d8d2836925 ...
4
votes
2answers
136 views

What happens if my ISP gives me an IP address that's already being used [closed]

Like the title says, what happens if my ISP gives my connection (by accident/on purpose) a public IP address that someone else is currently using to browse the web or send an email or pay his bills? ...
1
vote
1answer
217 views

Which is more secure - a VPN, a proxy-server, Tor, etc.? And why so, exactly? [closed]

I want to know how to ensure the most complete anonymity when browsing the internet and connecting to remote servers: I want to be as anonymous and secret as possible. I don't know exactly how VPNs ...
6
votes
3answers
299 views

Can someone launch a DOS attack on my IP

Suppose, I have a static IP on my PC and is known to others. None of my softwares listen for remote connection. Is it still possible for someone to DOS attack me in such cases? If yes, how it is ...
1
vote
2answers
750 views

Google Accessed My MSN Account!

I just received a notification from Microsoft that my Microsoft account has been blocked because it's been accessed by an IP address that's never accessed it before. I received this notification as a ...
0
votes
1answer
75 views

Can a Tor exit node be reliably identified?

So with my knowledge of Tor, I know that exit nodes are where packets escape the Tor network and enter the "traceable" internet; ie. you can link an attack to an exit node but not the source of the ...
-1
votes
1answer
59 views

Determine if Tor works

I have installed Tor on my Mint computer, but how do I determine if Tor is working? When I visit http://whatismyip.com, my old IP is shown. Should it not be a different IP when I'm using Tor? Here is ...
1
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2answers
95 views

Hidding ip address in a peer to peer connection

I'm curious is it possible to hide the ip address in a peer to peer connection. Mainly considering you have 2 computer connected remotly in a browser session. I would like to know if it's possible to ...
22
votes
1answer
982 views

Does TCP/IP protocol offer a reliable way of determining who the actual sender was?

So I'm just poking around the TCP/IP protocol using a Ruby library called PacketFu, and it seems to me that in each packet, it is possible to set all of the following Source IP Destination IP Source ...
-2
votes
2answers
14k views

can you get someone's ip address using skype?

Like if you're chatting with them via skype, how can you get their ip address? do you need some kind of program or is there a simple, obvious way? is it illegal?
1
vote
1answer
49 views

Secure Azure to Data Centre Web Service Calls via Trusted IP?

Background The company I work for have a system with some data. This system's hosted in our private data centre. This system provides some ReST web services. We're looking to create a website, hosted ...
0
votes
2answers
112 views

How easy is it really to do IP spoofing? [closed]

I read a lot about IP spoofing but I am not sure how easy it is really to do. Let's say I am in Spain, can I somehow connect to a server in the US with an IP address that is allocated to Mexico? Won't ...
0
votes
2answers
196 views

For how long ISPs keep record of internet usage? [closed]

For how long? They keep record of every page we visit? In what form they keep records? The site's address? Page title or headers etc? or the IP of the website? And how long? Is it possible for an ...
0
votes
1answer
132 views

Find out who has hacked your gmail account [closed]

I received a message from google saying they had prevented a hacking attempt. However I then received messages from friends saying that they had received spam from my gmail account. If you go to ...
0
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2answers
274 views

How can I Bypass ip block mechanism?

I want to pentest a specific web application with automatic tool like Burp Suite and IBM Security AppScan. However, the website uses a prevention mechanism for attack. When I started automatic tool, ...
2
votes
2answers
226 views

Is it a real security benefit if a host uses static IP Addresses for authentication?

As my knowledge about information security is not THAT good and Google did not give me a satisfactory answer I would like to ask the community here: I am working for a company offering online ...
0
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2answers
136 views

Best practice for sending IP Addresses

IP Addresses are pretty common around the internet so they're often easily found in plain text. However, let's say there's a number of IP addresses configured on a server to allow access through a ...
-1
votes
1answer
55 views

Simulation of security against IP [closed]

I am pursuing a college project, in which I am running three fake services on three ports to protect the main service (say running at port 80). The concept is that if the user is malicious, he'll try ...
2
votes
2answers
278 views

Data protection laws and regulation for storing IP addresses for registered users [closed]

I have a website, large amounts of this site can only be accessed if the user logs in. I would like to use the users IP addresses as a means to determine where they are when they access certain pages. ...
1
vote
0answers
78 views

Store which parts of an IP address, for user to remain anonymous?

I'm thinking about building a very anonymous forum, where people can comment and upvote each other's comments anonymously. People are supposed to remain anonymous even if the forum's database contents ...
0
votes
7answers
809 views

How can I Hide my Public IP Address

Is it possible to use internet without revealing my public IP Address? I feel I should have the choice to reveal my IP address or not. At the moment, it feels like I don't have a choice. Your IP ...
2
votes
3answers
684 views

Is it possible to change IP after each request

I am developing a web application. I am planning to skip CAPTCHAs for the initial signup by an IP so as to improve user experience. I was wondering if I am inviting any security risks by doing this. ...
-2
votes
2answers
134 views

What if I've been hacked and my IP is static? [closed]

My computer has a rootkit of some sort and the attacker can see everything that I do on it. I need it to do something related to banking, so I have to secure my computer first. I have a CD of windows ...
0
votes
2answers
115 views

Is IP whitelist sufficient to protect a server? [closed]

I am currently using a server 1 managing incoming traffic from users and a server 2 managing database requests from server 2. Both servers are accesible via Internet. Would IP whitelisting be a ...
0
votes
1answer
108 views

NetFlow IP Spoofing/Reflection Attack Detection

Is it possible to detect IP spoofing/reflection attack via NetFlow? Thanks :)
4
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6answers
582 views

Locking IP addresses to try and improve security

(Originally posted on the work place and was suggested to post here) I know being an employee I am paid to do what my boss tells me to do, however: I am currently writing a website for my company ...
1
vote
1answer
446 views

Is htaccess secure enought to whitelist clients IPs?

I'm using .htaccess to control source IP of connections to my web application. My configuration looks more or less like this: order deny,allow deny from all allow from X.Y.Z.Q These ...
1
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4answers
239 views

Can ISPs log IP connections?

I know most, if not all, ISPs log the IPs you had tied to your network, but do ISPs keep logs of the IPs you have tried to connect to? For example, let's say I went to google.com, would the ISP be ...
8
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7answers
1k views

Does a chain of proxies (e.g. one connecting to another and another and so on) make tracing the original IP harder/impossible?

I see nobody here has asked this question. What if one, instead of just using a single proxy, connected a proxy-to-proxy in a very long chain and downloaded something (illegal) using secure packets ...
-1
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4answers
154 views

Is there any other way to trace a computer besides its IP? [closed]

I play on this game thing - it isn't important but it is a roleplay game. I am roleplaying a criminal - a smart one. Now the fake FBI in the roleplaying game sent me a message. They have made the IP ...