[Myth] No open port = no Trojan ShowNo open port means No trojan
Myth
Reality
Explanations
Myth
Leaving no ports open on my PC , I'm sure I will not have any Trojan on my computer.
Reality
FALSE.
Explanations
An open port is not necessary to control a computer on...
List of open ports in command line ShowList of open ports in command line
Whether you're running Windows or Linux / Unix, the following command in (console) will display the list of open ports on your computer:
netstat -a
For the use of advanced graphics tools, see What...
What are the open ports on my machine? ShowWhat are the open ports on my machine?
Everyone should be concerned about the security of their computer when connected to the Internet and it is therefore necessary, to activate the firewall of your ADSL router or installing one on your...
[VNC] Failed to connect to server-opening ports Show[VNC] Failed to connect to server-opening port
Issue
Solution
Issue
Error message:
Failed to connect to server
Solution
To access your computer remotely via VNC, it is necessary to open ports :
5800
5801
5900
5901
on...
Testing your firewall ShowTesting your firewall
Note
Local software test port
Tests Online: Not 100% reliable
Additional Information
Do you have any doubts about your firewall? It does nothing for months? This test is for...
[Windows XP] Repairing the network connection using command line Show[Windows XP] Repairing the network connection using command lines
Under Windows XP there is a small feature allowing you to repair a network connection. Go to the Network Connections options in Control panel (Control Panel / Network...
Download OpenOffice ShowOpenOffice is a free office application suite, including a word processor, spreadsheet, presentation tool, drawing package and database, compatible with all other major office suites like Microsoft Office (97-2007 formats).
Writer
Calc
...
NAT- Network address translation, port forwarding and port trigg ShowThe principle of NAT
Network address translation or NAT was developed in order to respond to the shortage of IP addresses with IPv4 protocol (in time the IPv6 protocol will respond to this problem).
In fact, in IPv4 addressing the number of...
Port/Ports TCP/IP ShowThe use of ports
Many TCP/IP programs
can be executed simultaneously over the Internet (you can for example open several browsers simultaneously or browse HTML pages while downloading a file via FTP). Each of these programs works with a protocol,...
Vulnerability scanners - Port scanning ShowPort scanning
A "vulnerability scanner" (sometimes called a "network analyzer") is a utility program that makes it possible to perform a security audit on a network by scanning for open ports on a given machine or an entire network. The scanning...