JAVA Firewall with mySQL injection

Question

1.00/5 (1 vote)

See more:

I am working as a free lancer and doing a project on firewall. I have done my task on how to scan a port, now i need to block a port, Are there any methods available from ServerSocket to block a port.

Thankyou.

Posted 31-Mar-11 21:04pm

Syed Mohammed Khawar

Add a Solution

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Nagy Vilmos · Answer 1 · 2011-04-04T11:01:00

Solution 1

To block a port, open it and refuse any connections.

Posted 4-Apr-11 11:01am

Nagy Vilmos

Comments

Syed Mohammed Khawar 5-Apr-11 2:46am

Please view my solution.Thanks for adding your solution.

Syed Mohammed Khawar · Answer 2 · 2011-04-04T20:45:00

Solution 2

Found the solution, The correct solution is:
Not this:

Socket ServerSok = new Socket(String host,int port);
ServerSok.close();

But this:

ServerSocket socket = new ServerSocket(1066);
while (true) {
    Socket connection = socket.accept();
    connection.close();
}

Posted 4-Apr-11 20:45pm

Syed Mohammed Khawar

Updated 12-Apr-11 0:01am

v3

Comments

Nagy Vilmos 5-Apr-11 3:09am

Don't close the socket.

Syed Mohammed Khawar 9-Apr-11 6:00am

Got it, can I have your codes on this. Because this is really troubling me.

Nagy Vilmos 12-Apr-11 5:58am

Updated your solution to reflect the solution.