Showing posts with label network. Show all posts
Showing posts with label network. Show all posts

Top 5 Free VPN Services For All

Today i'm gonna give u top 5 free vpn softwares for you!  Bye

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1. Open VPN

[Image: openvpn-logo.png]

OpenVPN.net is a SSL/TLS based VPN, it provides high security and privacy. The biggest difference between PPTP VPN and OpenVPN is you need install OpenVPN client software to use OpenVPN service, and OpenVPN DO NOT work on mobile devices such as iPhone, iPad, Windows Mobile and Android. But OpenVPN works on Windows, Mac

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2. PacketiX.NET – Free VPN client

[Image: packetixlogo_thumb.png]

PacketiX.NET is a Japan VPN service. It is actually a premium service, but they have PacketiX.NET online test service as well which is free to use. The service is fast and reliable and it is easy to use as well. Just download the VPN connection manager, install and connect! It works on Windows and Linux only.

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3. UltraVPN

[Image: ultravpn.png]

UltraVPN is a French VPN client that hides your connection from unwanted ears and allows you to use blocked applications. It is also based on OpenVPN service. Traffic is quota is unlimited. Bandwidth is up to 500Kb/s depending on network conditions.

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4. Hotspot Shield – The most popular free VPN client

[Image: hotspot-shield.jpg]

Hotspot Shield is possibly the most popular Free VPN client in the world. It made waves when Hulu was launched as it allowed users to watch Hulu even when it was blocked. Now, they have US & UK based VPN services which you can use to protect yourself from WiFi Snoopers, identity thefts and censorships. The best part is, Hotspot Shield provides unlimited bandwidth and works on both PC & Mac.

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5. CyberGhost

[Image: simontools-cyberghost-vpn-1.jpg]

CyberGhost is a free VPN service from Germany which helps you route you through a German IP. The free service is limited to 10GB traffic every month, which is more than enough for surfing on websites, chatting and email. The paid service is also affordable.

The free service is limited to just 1GB per month now.
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Cmd hacking commands

Cmd hacking commands


I am Sure u guys Know All these commands.... I want to Help The Beginers.. So i am Posting This....

Useful Things to do on CMD!

First, open your Network Connection and right click and select Properties. Then Select TCP/IP and click on Properties again. Now Click on Advanced and WINS tab. Select Default for NeBIOS.

Now back to the main Local Area Connection window, select File and Print Sharing for Mic*ft Networks and hit enter.

This is just to make sure you have NetBIOS enabled. We will have some fun with NetBIOS on CMD.

First thing you need to know is some very helpfull commands to use on CMD(Command Prompt).

In case you don't know how to get CMD open in your box, then click on Start, then Run, then type "cmd" (no quotes, off course... you know the drill).

Back to commands:

nslookup
net view
net use
net user
ping
tracert
arp
route
nbtstat
netstat
ipconfig

In case you don't know some of them, then just type the command on CMD and hit enter. A little help will show up in your screen. Read it and understand what the command does.

Lets start easy...

1) ping : This command will allow you to know if the host you pinging is alive, which means if it is up at the time of executing the "ping" command.

ping x.x.x.x (x is the IP address)

or

ping http://www.whatever.com (http://www.whatever.com is the website you want to ping, but you don't know the IP)

OBS: Keep in mind that if the host you pinging is blocking ICMP packets, then the result will be host down.

2) nslookup : This command has many functionalities.
One is for resolving DNS into IP.
Lets say you know the website URL but you don't know its IP(and you want to find out).

nslookup http://www.whatever.com (http://www.whatever.com is the website you want to find out the IP)

Now, another really nice function of nslookup is to find out IP of specific Mail Severs

nslookup (enter)
set type=mx (enter)
yahoo.com

This command will give you the mail server IP of yahoo.com. You can use whatever server you want and if it is listed on DNS, then you get the IP. Simple, isn't it?

OK, now why would you want to have an IP of a mail server?
To send spoofed mail to your friends or even for SE.
In case you looking for "How to spoof email", then look for my "How to spoof email tutorial" http://www.infowar.com/forums/showth...&threadid=2360

3) tracert : This command will give you the hops that a packet will travel to reach its final destination.

OBS: This command is good to know the route a packet takes before it goes to the target box.

tracert x.x.x.x (x is the IP address)

or

tracert http://www.whatever.com (http://www.whatever.com is the website you don't know the IP)

4) arp : This command will show you the arp table. This is good to know if someone is doing arp poisoning in your LAN.

arp -a

5) route : This command will show you the routing table, gateway, interface and metric.

Code:
route print


6) ipconfig : This command will show tons of very helpful things.
Your IP, gateway, dns in use.

Code:
ipconfig
or

Code:
ipconfig /all

this command will give all that info but for all networks you might have it.

Also, in case you have a dynamic IP and want to change it, then type...

Code:
ipconfig /release (this will release your IP)

ipconfig /renew (this will renew your iP)

OBS: Keep in mind that those commands will change your IP, but the new IP will still be tighed up to you. So don't do anything stupid.

7) netstat : This command will show you connection to your box.

Code:
netstat

or

Code:
netstat -a (this will show you all the listening ports and connection with DNS names)
netstat -n (this will show you all the open connection with IP addresses)
netstat -an (this will combined both of the above)

net view x.x.x.x or computername (will list the available sharing folders on the target box)


Now some hints:

Code:
net use \ipaddressipc$ "" /user:administrator

(this command will allow you to connect to the target box as administrator)

Now if you want to connect to the target box and browse the entire C drive, then use this command:

Code:
net use K: \computernameC$
(this will create a virtual drive on your "my computer" folder)

OBS: Keep in mind that this will only works if the target box doesn't have an administrator password set.

And least but not last, the "help" command.

Quote:
whatevercommand /help

or

Quote:
whatevercommand /?


This command will help you to understand what it does and all the switchs available for each command.
Very useful if you know the command, but forgot the right switch.
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Researchers Release tool that can take down Secure Websites

The THC-SSL-DOS tool released on Monday exploits a flaw in SSL(Secure Sockets Layer) renegotiation protocol by flooding the web service with multiple renegotiation requests over a  already established SSL connection for a new key. This works in same way as more common DOS(Denial of service) attacks , except the fact that this flaw in SSL renegotiation takes up more resources than a single HTTP request, hence leading to taking down a large webserver with a single computer.

The tool was released by a group of German Researchers called the Hackers Choice to exploit the flaw in SSL, which is used in many of the secure web services like Email, Banking etc, to transfer secure data across the network between user and a website without interception by a third person.
The Researchers said in a blog post- “We are hoping that the fishy security in SSL does not go unnoticed. The industry should step in to fix the problem so that citizens are safe and secure again. SSL is using an aging method of protecting private data which is complex, unnecessary and not fit for the 21st century,”.
This exploit can allow a single laptop to take down an average server with a greater Bandwidth over a standard DSL connection . It can also take down multiple larger Webservers with few computers. The group claims that the attack would also work on non SSL enabled websites with few modifications on the tool.
For more info-The Hackers Choice
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DISCLAIMER

The information provided on hottechtips.blogspot.com is to be used for educational purposes only. The website creator is in no way responsible for any misuse of the information provided. All of the information in this website is meant to help the reader develop a hacker defense attitude in order to prevent the attacks discussed. In no way should you use the information to cause any kind of damage directly or indirectly. The word “Hack” or “Hacking” on hottechtips.blogspot.com should be regarded as “Ethical Hack” or “Ethical hacking” respectively. You implement the information given at your own risk.