[ubuntu-uk] Checking to make sure you are safe...port checking etc.

[John Matthews]

On 23/04/10 12:22, Bruno Girin wrote:
> On Fri, 2010-04-23 at 11:51 +0100, Alan Pope wrote:
>    
>> On 23 April 2010 11:47, John Matthews<jakewc2 at sky.com>  wrote:
>>      
>>> Even though we get told most of the time Linux is safe, the more tis
>>> used, the more viruses will get written for it. I noticed somebody was
>>> talking about checking ports to see if they are visible to the outside.
>>> How do you do that? Is there any software, or can it be done via the
>>> Terminal. Can somebody help?
>>>
>>>        
>> nmap can do this.
>>
>> http://nmap.org/bennieston-tutorial/
>>      
> netstat -l
>
> is another option that will give you an initial idea of what's open and
> listening.
>
> Bruno
>
>
>
>    

@Bruno......thank you for that.....Now that is interesting, I just 
entered that into the Terminal, it seems that there is line upon line of 
listening, but nothing saying open.

What does it all mean?

John

-- 
Ubuntu User #30817