IP spoofing, also known as IP address forgery or a host file hijack, is a hijacking technique in which a cracker masquerades as a trusted host to conceal his identity, spoof a Web site, hijack browsers, or gain access to a network.
69
votes
12answers
15k views
Why is it difficult to catch “Anonymous” or “Lulzsec” (groups)?
I'm not security literate, and if I was, I probably wouldn't be asking this question. As a regular tech news follower, I'm really surprised by the outrage of Anonymous (hacker group), but as a ...
11
votes
6answers
1k views
What tools are available to identify which country a specific IP address is located in?
In trying to identify the country a user logs in from, or to block country ranges for whatever reason (for example regulatory requirements) what tools, whether online or offline, are available?
10
votes
3answers
435 views
Are there valid reasons for spoofing an address?
This is a corollary to the question Why don't ISPs filter on source address to prevent spoofing?.
Are there valid reasons to spoof an address?
5
votes
4answers
831 views
Why don't ISPs filter on source address to prevent spoofing?
I'm under the impression that if all the ISP's were required to filter on the source IP address of all outbound packets, that spoofing would be reduced considerably.
Are any ISPs implementing this ...
6
votes
4answers
560 views
How can a company reduce exposure to packet spoofing? What solution should exist, but doesn't?
I'd like to understand what anti-packet-spoofing technology exists (or should exist) to verify an inbound packet. Maybe this is as simple as a Cisco ACL, Firewall Rule, implemented at the network ...
13
votes
6answers
1k views
What security risks does IP spoofing bring?
By manipulating the TCP packet and changing the source address one is able to spoof the IP. As I understand it, you will not be able to set up a full handshake by doing this, as you will never receive ...