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Dear all,
How can I scan port using status?
I want to know which ports are currently using by which programs.
Like firewall, I want to block some program to using port.
Someone say, I need to use WinSock API. And then I developed a program with VB
to scanning the port. I can know which ports are currently using
but I can't know using by which program.
Please help me...
(stup!x...)
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Open a command prompt and type NETSTAT /A /B /V , then wait a while.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Thank you DAVE.
NETSTAT is show me the port status. But can't show me to running process which
used the ports.
I used win2000 and there is no /b and /v parameter.
Please give me another suggestion.
(stup!x...)
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stupix wrote: I used win2000 and
You might want to specify that next time.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Try TCPView from 'Sysinternals'
http://www.microsoft.com/technet/sysinternals/utilities/TcpView.mspx
"Normal is getting dressed in clothes that you buy for work and driving through traffic in a car that you are still paying for - in order to get to the job you need to pay for the clothes and the car, and the house you leave vacant all day so you can afford to live in it." - Ellen Goodman
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Thank Ted, I got it...
(stup!x...)
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After reinstalling Windows and switching my main drive (Drive A) out with a new drive (Drive B), some of the files that I backed up to Drive A are now locked by an unknown process. I tried using "Unlocker" to unlock the files or to show what processes could be accessing them and it didn't do either. There's obviously nothing holding control over the files, and since Drive A is no longer my primary (which Drive B now is), then something must have corrupted the files. Is this possible? They're just personal pictures, and there's no pattern to the permissions locking (seems more random). And all other files copied fine. What could be causing this odd problem? No one seems to be having the same everywhere else I've looked.
Thanks, I just hope someone can help, I'd hate to lose 87 pictures over an unknown permissions lock!
Trinity: Neo... nobody has ever done this before.
Neo: That's why it's going to work.
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This is usually caused by a corrupted NTFS volume, not permissions. Run CHKNTFS on it and see what happens.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Thanks for the reply. Here's what I did:
1. Ran CHKNTFS, but the drive wasn't dirty.
2. Ran CHKDSK and corrected several drive errors.
3. Ran drive Error-Checking.
After this I tried to copy the files off and still got "Access Denied, please make sure the disk is not full or write protected". Also, I noticed that all of a sudden all of the directories were marked "Read-Only", I know they weren't before. So I tried to remove them, but Windows keeps rechecking the box. What is going on?
Any other ideas? Thanks!
-- modified at 11:41 Wednesday 10th January, 2007
Trinity: Neo... nobody has ever done this before.
Neo: That's why it's going to work.
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Hi there,
i wonder what a port really is. I've googled it and learned something but, could not exactly find what i was really looking for.
What i've learned:
- a port is different from a socket.
- there are 65535 (or something like it) tcp/ip ports.
- a port does not have to be related with Tcp/Ip. (so conceptually, there can be infinite ports?)
- a port is a virtual connection between processes.
What I coclude:
- it's a virtual connection point for processes, implemented by an OS.
What i ask for:
- how does an OS implement ports? (linux for example, since it's open source)
- which part of OS manages ports, and how does it do it?
and any related information..
thank you all.
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hi Mustafa,
OS cannot implement port related things since its implementation is in Protocols like TCP or UDP.
OS may regulate rules for instance Ports 1 through 1023 are named "well-known" ports and on Unix-derived operating systems binding to one of these ports requires root access.
In both TCP and UDP, each packet header will specify a source port and a destination port, each of which is a 16-bit unsigned integer . That is where 65535 comes.
A process may "bind" to a particular port(if an access right is given by OS) to send and receive data, meaning that it will listen for incoming packets whose destination port matches that port number, and/or send outgoing packets whose source port is set to that port number.
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Hi all,
IN IIS, XP Server, i want to run two sites with different ports, let say one with 80, and one with 81, but i want them available to public users, now my problem is that user can only view one site on default port '80', other cannot be browsed from any where, I have domain for one site, but not for other site, please if some one can help, then do that,thanks in advance.
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Since your other app is running on a seperate port, the user has to type that into the URL to get at it.
http:
Dave Kreskowiak
Microsoft MVP - Visual Basic
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thanks, for repely, but it did not work.if there are any special setting please let me know, as i wrote above, i dont have domain name for one site, if u r not getting me let me know i will try to type in better english.
and please keep in mind i m a developer.
many thanks adnan
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You don't need a seperate domain for the other site. All you need is the IP address, or a URL that resolves to that IP address, and the port number that the site is listening on. Since you're running both sites on the same box, they should both work with the same URL, except for specifying the port number number. If it still doesn't work, then your second site either isn't running or it's not listening on the port you think it is.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Anyone have any tips/suggestions? We currently are running MSVC6 code on several servers and will be migrating to .Net 2.0 shortly.
The powers that be have decided the everything should be set up as a virtual server under VMWare. I'm not convinced yet, that production should be on VMWare. It seems like it would be harder to scale up. Or are the days of load-balancing and "server farms" over?
Thanks
Brad
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Well, a friend of mine is running 14 different servers on 1 physical box (Dual Proc/Dual Cores) with 12GB of RAM in a major credit union with no problems. Various people have been doing this for a few years now. I think it's more than ready for prime time.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Hello Anyone .... I hope some one help me for my question. I want to change tips of the day on the IE bar.. and remove the close button. what can I do for this ?
and this is the sample what I mean
http://www.comteche.com/free-image-hosting/images/20s37221.jpg
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Almost a month ago I performed a "Vista Ultimate Upgrade (RTM build)" install onto one of my XP Pro (SP2) computers;
The startup time is quick; faster then XP.. but the time it takes to log in is terrible; takes 10 times longer then XP under the same user account.
Once your past the logon sequence, the machine and app speed is zippy.. but the login time and switch user time is killing me!
PC Specs Are up to snuf.. I think the Vista Score is a 3.6
- AMD AthlonXP 2400+
- 2GB PC2100 RAM (2x1 Gig Sticks)
- 40GB PATA Boot Drive C:
- 200GB SATA-I Data drive D:
- ATI Radeon X1300 PCI w/256MB RAM
Would a "Clean Install" result in better login times?
Heston
________________________________
Heston T. Holtmann, B.Sc.Eng.
Software Engineer
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I have to admit that I never perform an upgrade installation of an operating system. I always do a clean install.
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Hello,
On my Domain Controller. how to I look to see my Forward DNS? It seems that the internet is slow and perhaps the lookup is in need of attention. Also, should the primary DNS or the secondary DNS be used as the this? Does this matter?
Thanks
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In the DNS Management console, right click on the name of the server. Select Properties and click the Forwarders tab. This shows a list of DNS servers that your server will use for resolving names it doesn't cache locally.
"...a photo album is like Life, but flat and stuck to pages." - Shog9
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Hi all!
I have a queistion. I would like to run an application every time that my windows (XP) is shutting down. Is it possible to register a batch script that executes every shutdown in the registry?
Best Regards
Mikke
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No, it's not. Once the Shutdown begins, the loader will not start new executables. You can launch stuff in the LogOff part of the shutdown, where the user is logged off before the Windows shutdown process begins, but not after.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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ok, that sounds fair.. Can you guide me how to do that? Is it possible to run .Net applications during LogOff? The .Net runtime is active even during user logoff?
Best Regards
Mikke
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