[SOLVED] Port check in Linux?

Manish87 · 07-09-2010, 09:46 AM

Hi,

i 'm basically new to linux and i wanted to know whether there are any port check softwares that are available to check the ports that are open on my computer and to open some of it!!i would be really thankfull towards you if you could suggest me some of the software downloading sites(.rpm) because i am really buged posting question over again and again for every single problem of mine!!

Kind Regards,
Manish

grail · 07-09-2010, 10:02 AM

man netstat should get you started

Manish87 · 07-09-2010, 10:20 AM

HI,

I Downloaded nmap as u said but i am getting an error message

"Can't install /home/Manish/Downloads/nmap-3.70-2.0.rh8.dag.i386.rpm as no transaction"

Kind Regards,
Manish

z99 · 07-09-2010, 10:32 AM

try
yum -y install nmap
if you need the gui then:
yum -y install nmap-frontend

Manish87 · 07-09-2010, 10:57 AM

HI,

Okay i installed it,i goto /usr/bin/nmap and from terminal i type namp <myipaddress>,but how do you open say a particual port on your system?

Kind Regards,
Manish

evo2 · 07-09-2010, 11:55 AM

Are you trying to run some service on a port? Or perhaps you are trying to forward that port to somewhere else? Please tell us what your goal is, then, we may be able to help.

Evo2.

Manish87 · 07-09-2010, 12:34 PM

Hi,

sure,i was trying to forward the port ,since i was keen on knowing what port forwading is and how it works n all those stuff!i am currently using nmap and i wanted to know on how i could forward a particular port to some remote machine!

Kind Regards,
Manish

ncsuapex · 07-09-2010, 04:08 PM

nmap is for checking ports. You need to use iptables or configure your router to open ports.

frankbell · 07-09-2010, 10:04 PM

Code:

man lsof

I learned about it just today.