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HellBound Hackers | HellBound Hackers | Questions

Author

RE: Port scanning....

Haykuro
Member

Posts: 177
Location:
Joined: 04.03.05
Rank:
HBH Guru
Posted on 08-11-05 23:53
they probably have a firewall, and the firewall detects to many connections from your ip.

you were most likely logged :)


"If we live to die, do we die to live?" - Haykuro
haykuro@gmail.com magnamagic2003
Author

RE: Port scanning....

saxible
Member



Posts: 57
Location: /root
Joined: 23.07.05
Rank:
Hacker Level 3
Warn Level: 52
Posted on 09-11-05 01:14
either that or the ip address was incorrect.


Author

RE: Port scanning....

n3w7yp3
Member

Posts: 358
Location: USA
Joined: 19.03.05
Rank:
Mad User
Posted on 09-11-05 17:56
Firewalls are not a security panacea. There *are* ways to circumvate a firewall. Most stock public tools are not suited to the task (with the possible excetption of tools like hping2 and firewalk).

nmap has some advanced scan types that can confuse older firewalls, especially if they don't keep state. try -sA -sF or -sX. They are ACK scanning, FIN scanning and XMAS scanning, repesictivley. nmap also supports packet fragmentation via -f, which can sometimes get through older firewalls.

firewalk is kind of like traceroute. it can usually scan beyond firewalls, however it requires specific conditions to use. You also must know a host at least 1 hop beyond the target gateway/router firewall.

hping2 lets you craft packets. It is usually the most useful tool for this type of work. the options are numerous, so i suggest that you read the man pages.

if you really want to break through firewalls, learn Perl or C. then you can code your won very powerful custom attack scblockedripts/programs.

GL


"Root is a state of mind" -- K0resh
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