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#7300 - 03/20/04 09:42 PM real Newb Question
Spyrios Offline
UGN Member

Registered: 03/15/04
Posts: 419
Loc: VA
ok i have googled and searched but maybe i'm just not that good yet. can some on please tell me how i can see a list of my ports open and otherwise? is it a command line thing or is there a way to see from within windows. i run xp home on my desk and pro on my laptop.
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#7301 - 03/21/04 02:40 AM Re: real Newb Question
Infinite Offline



Registered: 03/09/02
Posts: 1041
Loc: Canada eh
netstat -an


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#7302 - 03/21/04 03:29 AM Re: real Newb Question
Spyrios Offline
UGN Member

Registered: 03/15/04
Posts: 419
Loc: VA
um maybe i googled it wrong but that shows me analog-x website and the utility just shows me how fast my modem is going? can you clarify?
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#7303 - 03/21/04 04:32 AM Re: real Newb Question
Ghost Offline


Registered: 06/16/03
Posts: 807
Loc: Wisconsin
Infinite wants you to type that into the command line, not search for it with google.
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#7304 - 03/21/04 05:57 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
In DOS or cmd line.. Let me back up. Windows NT 4.0, Windows 2000, and Windows XP do not have DOS. They have a command line that looks a hell of a lot like DOS. Windows 95, 98, ME have DOS. For the point of this disscusion DOS and commandline are the same thing.(Even though they really are not)

The netstat DOS help file is shown below

Quote:

Displays protocol statistics and current TCP/IP network connections.

NETSTAT [-a] [-e] [-n] [-s] [-p proto] [-r] [interval]

-a Displays all connections and listening ports.
-e Displays Ethernet statistics. This may be combined with the -s
option.
-n Displays addresses and port numbers in numerical form.
-p proto Shows connections for the protocol specified by proto; proto
may be TCP or UDP. If used with the -s option to display
per-protocol statistics, proto may be TCP, UDP, or IP.
-r Displays the routing table.
-s Displays per-protocol statistics. By default, statistics are
shown for TCP, UDP and IP; the -p option may be used to specify
a subset of the default.
interval Redisplays selected statistics, pausing interval seconds
between each display. Press CTRL+C to stop redisplaying
statistics. If omitted, netstat will print the current
configuration information once.
The letters you see are known as switches or attributes. Each one dose something different. You can combine them to spit out even more info.
Play with the switches a bit and you will see al kinds of good info.

I think you might find netstat -s useful
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#7305 - 03/21/04 06:37 AM Re: real Newb Question
Spyrios Offline
UGN Member

Registered: 03/15/04
Posts: 419
Loc: VA
outstanding info. For the first time ever since my curiosity in programming a computing was peaked again, i got staright friendly answers that made sense, without the flame. you guys rock. ty. and i gues that's why googling it didn't work. another thing where is the documentation on that sin? so i don't have to ask about comannd line stuff. as for the difference Between the command line and DOS, i'll google it
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Over and overture
N, do I need
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#7306 - 03/21/04 06:44 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
just type in

"netstat -h"

in the command line. I do not mind helping you out because you didn't come in here asking stupid questions. I do flame people. But they usally ask stuff like, How do I hack hotmail or can anyone help me get free porn. You seek knowledge and are willing to work for it. That will get you help in here real fast. That is why most of the long standing members are here.
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#7307 - 03/21/04 06:46 AM Re: real Newb Question
Ghost Offline


Registered: 06/16/03
Posts: 807
Loc: Wisconsin
You can also use "command/?" to display help information:
Code:
C:\>netstat/?

Displays protocol statistics and current TCP/IP network connections.

NETSTAT [-a] [-e] [-n] [-o] [-s] [-p proto] [-r] [interval]

  -a            Displays all connections and listening ports.
  -e            Displays Ethernet statistics. This may be combined with the -s
                option.
  -n            Displays addresses and port numbers in numerical form.
  -o            Displays the owning process ID associated with each connection.
  -p proto      Shows connections for the protocol specified by proto; proto
                may be any of: TCP, UDP, TCPv6, or UDPv6.  If used with the -s
                option to display per-protocol statistics, proto may be any of:
                IP, IPv6, ICMP, ICMPv6, TCP, TCPv6, UDP, or UDPv6.
  -r            Displays the routing table.
  -s            Displays per-protocol statistics.  By default, statistics are
                shown for IP, IPv6, ICMP, ICMPv6, TCP, TCPv6, UDP, and UDPv6;
                the -p option may be used to specify a subset of the default.
  interval      Redisplays selected statistics, pausing interval seconds
                between each display.  Press CTRL+C to stop redisplaying
                statistics.  If omitted, netstat will print the current
                configuration information once.
"command help" also works:
Code:
C:\>netstat help

Displays protocol statistics and current TCP/IP network connections.

NETSTAT [-a] [-e] [-n] [-o] [-s] [-p proto] [-r] [interval]

  -a            Displays all connections and listening ports.
  -e            Displays Ethernet statistics. This may be combined with the -s
                option.
  -n            Displays addresses and port numbers in numerical form.
  -o            Displays the owning process ID associated with each connection.
  -p proto      Shows connections for the protocol specified by proto; proto
                may be any of: TCP, UDP, TCPv6, or UDPv6.  If used with the -s
                option to display per-protocol statistics, proto may be any of:
                IP, IPv6, ICMP, ICMPv6, TCP, TCPv6, UDP, or UDPv6.
  -r            Displays the routing table.
  -s            Displays per-protocol statistics.  By default, statistics are
                shown for IP, IPv6, ICMP, ICMPv6, TCP, TCPv6, UDP, and UDPv6;
                the -p option may be used to specify a subset of the default.
  interval      Redisplays selected statistics, pausing interval seconds
                between each display.  Press CTRL+C to stop redisplaying
                statistics.  If omitted, netstat will print the current
                configuration information once.


C:\>
heh Damn_newb, sintax is one of the most knowledgeable members here. He only flames when someone needs to be flamed. This wasnt a stupid question like he said. Also, about searching google for information on commands, type them in quotes like this:
Code:
"netstat -an"
That acctually searches for the command, as well as the -an flag. In google, typing "-an" after something will mean that you dont want to return results that contain "an". Putting it in quotes searches for the exact string of text.
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#7308 - 03/21/04 07:03 AM Re: real Newb Question
Spyrios Offline
UGN Member

Registered: 03/15/04
Posts: 419
Loc: VA
well look at that, that was something i half knew, i knew anout the quotes for exact matches but not about the minus thing. and i typed it in and sure enough there it was and even how to read what i pulled up, woot.(oops gamer)
_________________________
D, world destruction
Over and overture
N, do I need
Apostrophe T, need this torture?-They Might Be Giants

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#7309 - 03/21/04 10:24 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
Quote:

heh Damn_newb, sintax is one of the most knowledgeable members here.
Not realy. I am a jack of many trades but master of none. There are peeps I look up to in here. JC, Gizzy, Pergesu, tbg... the list goes on and on. I know some webdevelopment and a bit about telco datanetworks. Outside of that I am a n00b in many areas.
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#7310 - 03/21/04 10:34 AM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
You look up to, me? Awwe!
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#7311 - 03/22/04 05:14 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
Nah man, there is this dude named Gizzy. You're Gizmo.

*sniker*
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#7312 - 03/22/04 05:43 AM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
ahh, that bastard.. I hear you can buy him off with a couple fifths of vodka...
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#7313 - 03/22/04 06:17 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
Heh, dude you owned me... I kinda have to look up by default. However I do anyway. You have skillz, Plus you saved UGN Security.
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#7314 - 03/22/04 06:41 AM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
Wasn't too hard to own you and pull your dox; that plus your board sucked like hell ...
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#7315 - 03/22/04 12:14 PM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
yea yea. stupid whois search. I left xnull over a year ago. The same company who makes YABB. I get emails all the time saying we are sorry we were hacked again. They haven't even updated thier mailing list. Thier security blows. Service sucks. Live and learn. Not the peeps I have now rock. I call 24/7 I get a live body and the issue is fixed in 5 minutes. Live and learn
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#7316 - 03/22/04 12:42 PM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
Yeh, your ISP sucked too ... Dear god they sucked... Well, you learned that UBB is god if you have the cash for it ...
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#7317 - 05/20/04 03:22 PM Re: real Newb Question
rae_rae Offline
Junior Member

Registered: 05/20/04
Posts: 1
Loc: brownwood tx
for future reference if i may, go to :[link removed].
this program will do alot of the work for you.
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#7318 - 05/20/04 11:02 PM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
You post was just

SHUT DOWN

heh
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#7319 - 05/20/04 11:15 PM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
...

If theres one thing that pisses me off more than anything it's when people register just to promote a site in a post...
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#7320 - 05/21/04 12:06 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
Yea, Like if I came on her and advertised my site .
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#7321 - 05/21/04 12:30 PM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
yeh but you're differant, we at least like you
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#7322 - 05/26/04 03:23 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
Ahhhh. Thanks guys! Oh I will pay you early this month to keep saying stuff like that.
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#7323 - 05/26/04 06:56 AM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
pay me?
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#7324 - 05/26/04 12:49 PM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
Shhh, friendship dues.
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#7325 - 05/26/04 10:27 PM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
yey!
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#7326 - 05/27/04 01:28 PM Re: real Newb Question
hyperx. Offline
Junior Member

Registered: 05/22/04
Posts: 10
Loc: Australia, WA
..yeah..
netstat -an
......................... :s

-hyperx

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#7327 - 05/27/04 04:55 PM Re: real Newb Question
weeve Offline
UGN Super Poster

Registered: 10/29/02
Posts: 616
Loc: The Beach
um....

http://scan.sygatetech.com/

and

http://www.google.com/search?sourceid=navclient...=UTF-8&q=online+port+scan

hehehe...that's always easier. Or nmap/saint/satan if your a linux user...just thought I'd say. Netstat for me, is getting old, I like it when people reinvent the wheel. As has been done, in revolutions since long before even written glyphs.
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The jaws that bite, the claws that catch!
Beware the Jubjub bird, and shun
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#7328 - 06/10/04 03:33 AM Re: real Newb Question
Red Mage Offline
Member

Registered: 10/24/03
Posts: 209
Loc: here.
On a related note: Anyone have a list of what programs use which ports? And which ports you don't want open? Also how to close them..

EDIT: I heard that port 5000 is a trojan port, and my computer is listening to it. What's it actually for?
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#7329 - 06/10/04 04:16 AM Re: real Newb Question
§intå× Offline


*****

Registered: 12/03/02
Posts: 3255
Loc: Maryland
http://www.iana.org/assignments/port-numbers


Heh, now study the TCP/IP protocols on the ports you have questions about. No port is reserved for a trojan. A trojan may use a specific port but when the brain trust developed TCP/IP protocol suit they did not say lets reserve port XXXX for a trojan

commplex-main 5000/tcp
commplex-main 5000/udp


Looks like port 5000 can be used with TCP or UDP

RFC 739 TCP(TRANSMISSION CONTROL PROTOCOL)
ftp://ftp.rfc-editor.org/in-notes/rfc793.txt


RFC 768 UDP(User Datagram Protocol)
ftp://ftp.rfc-editor.org/in-notes/rfc768.txt

Think of TCP and UDP as similar but different protocols. Also study the OSI modle. Here is a basic TCP/IP protocol stack in relation to the OSI model

As you can see both UDP and TCP are on the transport layer of the OSI modle. This is because they are both used for transport. Read and understand what I just gave you and you will have better questions to ask.

If you want to learn to network security.. Study the TCP/IP prtocol stack. Everything you do in a network involves at least several protocols. Learn how the work. How networking in general works. What each layer of the OSI modle describes. How the TCP/IP modle stack is laid out *When authentication starts* Oh and here is where number systems come in handy...
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#7330 - 06/10/04 06:32 AM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
in a nut shell; anything can run on any ports; just some are more common than others.
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#7331 - 06/10/04 09:45 AM Re: real Newb Question
Red Mage Offline
Member

Registered: 10/24/03
Posts: 209
Loc: here.
Spanky.. I'll look into that.
Gizmo: You make sense :p
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#7332 - 06/10/04 10:57 AM Re: real Newb Question
Gremelin Offline

Community Owner
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Registered: 02/28/02
Posts: 7192
Loc: Portland, OR; USA
I made perfect sense. Any program can open a port, the ports aren't assigned to anything, a program can run on any port it wants; just some ports have more common services running on it than others...

21 is known for FTP because most FTP clients run on it, hence 21 is most commonly used for FTP, however if you don't have an FTP server you can run a program on that same port and accept connections. With FTP servers also you can tell it to listen on any other port, even 25 which is for SMTP...
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#7333 - 06/10/04 01:34 PM Re: real Newb Question
§intå× Offline


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Registered: 12/03/02
Posts: 3255
Loc: Maryland
Just read it. TCP and UDP are the transport protocols for most everything you do on the net. Do you know what level/layer the authentication starts yet?
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