Port Scanning is one of the most popular among the reconnaissance techniques attackers use. All machines connected to a LAN or connected to Internet via a modem run many services that listen at certain ports. A service is a program that waits inside a loop for a request message from a client, and [...]
DOS
Telnet lessons – Part 3
Carolyn’s note: <CRLF> just means hit return. In case you can’t see that little
period between the <CRLF>s, what you do to end composing your email is to hit enter,
type a period, then hit enter again. Anyhow, try typing:
This is a test.
.
250 Requested mail action okay, completed
quit
221 <techbroker.com> Service closing transmission channel
Connection to host lost.
Using [...]
DOS
Telnet lessons – Part 2
The simplest use of telnet is to log into a remote computer. Give the command:
C:/>telnet targetcomputer.com (substituting the name of the computer you want to telnet into for targetcomputer.com)
If this computer is set up to let people log into accounts, you may get the message:
login:
Type your user name here, making sure to be exact. [...]
DOS
Telnet lessons – Part 1
The Magic of DOS
In this guide you will learn how to telnet, forge email, and use nslookup with Windows XP.
The key to doing amazing things with XP is as simple as D O S. Yes, that’s right, DOS as in MS-DOS,
as in MicroSoft Disk Operating System. Windows XP (as well as NT and 2000) comes [...]
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