Gaining the IP address of clients connecting

Hello,
I am curious to know how to find the ip address of machines connecting to my terminal server. I have server that hosts around 50 Wyse ThinClients and would like to know if it is possible to find the IP address that each Wyse thin client has that is connecting
to my server.
I know this was possible in 2008 r2 remote desktop management as a simple right click and status lookup. I cannot find it in the new interface though.
Thanks.

Hi,
I am curious to know how to find the ip address of machines connecting to my terminal server.
You can use this command below:
netstat -n | find ":3389" | find "ESTABLISHED"
Best Regards,
Amy
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Thx alot for any help.
Jochen

Hi,
I tried this on my aix box. The interface is called en1. The MAC variable is in decimal format (base 10), but the output of lscfg is an hexadecimal address.
If you can start with this...
Do not even try to reply that you are using windows please !
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SQL> var mac number
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SQL> exec :mac := &_rc;
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SQL> host exit `lscfg -l ent1 -v | grep 'Network' | cut -c41,42 | sed 's,^,16i ,;s,$,p,' | dc
SQL> exec :mac := :mac * 256 + &_rc;
SQL> host exit `lscfg -l ent1 -v | grep 'Network' | cut -c43,44 | sed 's,^,16i ,;s,$,p,' | dc
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SQL> host exit `lscfg -l ent1 -v | grep 'Network' | cut -c45,46 | sed 's,^,16i ,;s,$,p,' | dc
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How do I find the IP address of drive connected to LAN port?

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See Above!

We do not send responses to e-mail addresses. All responses are posted in the forum. Also see response to your other question: https://support.mozilla.com/en-US/questions/784726

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<Oct 28, 2013 10:22:36 PM IST> <Error> <Cluster> <BEA-000109> <An error occurred while sending multicast message: java.io.IOException: Invalid argument
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<Oct 28, 2013 10:22:36 PM IST> <Error> <Cluster> <BEA-000110> <Multicast socket receive error: java.net.SocketException: Socket closed
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java.io.IOException: Invalid argument
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        at weblogic.cluster.MulticastFragmentSocket.sendThrottled(MulticastFragmentSocket.java:206)
        at weblogic.cluster.MulticastFragmentSocket.send(MulticastFragmentSocket.java:158)
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java.net.SocketException: Socket closed
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>
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Finding IP of clients connected to a particular server

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How can we trace the IP of a client connected to the server and based on that deny access to a particular IP address?

Did you really read the link? The query that is given there needs to be in a login trigger so the IP address is visible for each session in v$session.
Yes, of course, if you just run that query at a SQL*Plus prompt, it will show you your IP address - that is the point.
Once you can see the IP address in v$session, you can deny access to a specific IP in the login trigger.

Understanding of wireless client connection to multiple APs

Hello,
I would like to know how do wireless clients connect to APs
For e.g. if in a single floor square office space - wireless network with multiple APs exists on the same SSID, how do clients decide which AP to connect to. For e.g. the client may get similar strength signals from two APs close to each other (such as Excellent). Which AP does client connect to.
Secondly, how does the load distribution take place. For e.g. if on one AP, 10 clients connect and on the other AP, 20 clients connect, how can equal load distribution be acheived, that is 15 on each AP without the tiring MAC filtering configurations.
Thirdly, is there something like number of user/connection restrictions on APs. I have gone through some AP manuals and did not find any such specifications like max. # of users = 20 etc. Currently we are using D-Link AP and have noticed that once the # of connections go upto 20, performance reduces heavily such as the latency on gateway pings go upto 1000-2000ms.
Fourthly, how can I identify from the client to which AP it is connected.
Thanks.

I would like to know how do wireless clients connect to APs
For e.g. if in a single floor square office space - wireless network with multiple APs exists on the same SSID, how do clients decide which AP to connect to. For e.g. the client may get similar strength signals from two APs close to each other (such as Excellent). Which AP does client connect to.
ANS - Its first come first serve... however.. sometimes if we have multiple SSIDs one with open auth and no encryption and other fuly protected.. then the client wil connect to the open rather the secured on.
Secondly, how does the load distribution take place. For e.g. if on one AP, 10 clients connect and on the other AP, 20 clients connect, how can equal load distribution be acheived, that is 15 on each AP without the tiring MAC filtering configurations.
ANS - MAC is a good option but apart from that.. i have seen somewhere but not able to remember the command which will limit the number of clients per radio..
Thirdly, is there something like number of user/connection restrictions on APs. I have gone through some AP manuals and did not find any such specifications like max. # of users = 20 etc. Currently we are using D-Link AP and have noticed that once the # of connections go upto 20, performance reduces heavily such as the latency on gateway pings go upto 1000-2000ms.
ANS - AP can take upto 2048 MAC addresses.. its recommended not to have more than 24 clients per AP..
Fourthly, hw can I identify from the client to which AP it is connected.
ANS -If the clients are CCX compatible and aironet extentions enabled on the AP. then the command "show dot11 ass" will tell the clients connecting to which AP.. the AP name will get displsayed in the output..
Regards
Surendra

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Hi all
Recently upgraded our infrastructure to v8.0.100.0, on the 'new' landing page, the GUI is showing no clients connecting on 5Ghz, only on 2.4Ghz.
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Is anybody else seeing this?
Is it just a 'bug' (does anyone know)?
Please see attached.
Cheers

Hi,
I test your scenario and showing as it should be.
MAC Address AP Name Slot Status WLAN Auth Protocol Port Wired PMIPV6 Role
48:43:xx.xxx.c3:92 AP001 1 Associated 3 Yes 802.11a 13 No No Export foreign
check the screenshot:
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Is there any way to track a stolen laptop using the mac address, or by triangulating the wifi, or even by checking to see if the macbooks serial number has been registered online anywhere?

A little info on my question,
I had it stoeln on June 22nd 2013. I had recently bought it so had not installed any software on it nor did I have registered with icloud. I had contacted police, registered it stolen with Apple (but then just discovered this week that apple do not have a database for stolen products, which makes no sense at all).
I have contacted all the major pawn shops and computer stores in town etc etc. I have recently discovered that each laptop has a unique MAC address whcih begs the question, is that traceable somehow? I have been made aware that the router strips the mac address before it connects it to the internet but does the isp log the laptops MAC address? If i contacted all the major isp in my country would they have the ability to search for the mac address of my latop and then link that with an ip address?
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karlgporter wrote:
Yeah but I registered it stolen with Apple first thing, then called local police etc. Apple told me on the phone that the serial has been logged as stolen, which I assumed would limit the computers use online.
Every machine has a unique serial number what I was getting at is there must be some way to track the serial number and for example if the theif logged onto facebook using a stolen machine, if there were a register of stolen equipment then red flags would pop up, you know what I mean?
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You said you assumed the database would limit use online but if that's only an assumption, you need to ask Apple what exactly the stolen database does. It is possible that the serial number might only get flagged if it comes into an Apple Store for service, if it ever does. You need to clarify this with Apple.

How to get MAC address from client machine ?

Hi dear,
We are implementing security measures for a banking system, so it is required that we track the MAC address of the registered clients along with other parameters. How do we get the MAC address from client machine using ADF or running scripts in client side?
thanks all

Hi,
Welcome to OTN.
Your question has nothing to do with ADF as such. Googling would give you plenty of such topics.
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How many client connections will iMQ 2.0 handle?

My main concern is what the number of concurrent client connections (in a single instance) iMQ
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of clients are connected to the server.

With proper tunning iMQ 2.0 can handle thousands of simultaneous connections.
For example on a modest Sun system (Sun Ultra 60/2300 (2x300MHz) 512MB ram)
We have run 4000 active connections without a problem. With more memory the
system could have supported more.
The iMQ FAQ gives some tuning guidelines for configuring the iMQ server
(the broker) to handle large number of connections. I'm attaching the
relevant excerpt (the online FAQ is a bit out of date).
When I try to connect more than 500 clients to the Broker's JMS service, performance gets really poor. Is there a way to configure the
Broker to handle more connections with better performance?
Yes. By default the JMS service's thread pool is limited to 1000 threads. The Broker runs best when it can allocate two threads per
connection. Once the thread pool limit is reached, threads are shared and performance decreases.
The solution is to:
1.Increase the thread pool limit for the JMS service so threads are not shared.
2.Configure the broker's socket read timeout so read threads fully block.
3.Configure the JVM to improve performance in highly threaded applications.
4.And if you are running on Solaris and plan on going over ~1000 connections you will also need to:
Increase the maximum number of open file descriptors per process.
Step 1: Increase thread pool limit for JMS service
Set the jmq.jms.max_threads property to be 2X the maximum number of connections you wish to support. For example if you want to
support 1000 connections you will need to set the property to 2000. You can do this by adding the following line to
$JMQ_VARHOME/stores/<broker instance name>/props/config.properties:
jmq.jms.max_threads=2000
Or by running jmqcmd:
jmqcmd update svc -n jms -o maxThreads=2000
Step 2: Configure the broker's socket read timeout
Set the jmq.protocol.timeout to 0 to cause read threads to fully block in read. Do this by adding the following line to
$JMQ_VARHOME/stores/<broker instance name>/props/config.properties :
jmq.protocol.timeout=0
Step 3: On Solaris pass additional parameters to the JVM
If you are running the broker on Solaris you should pass the following parameters to the JVM:
-Xss128k -Xconcurrentio
The first parameter reduces the per-thread stack size to 128k. The second adjusts several internal JVM parameters that significantly improves performance of highly concurrent applications.
You may pass these to the broker by using the -vmargs option to the broker command or you may choose to alter the $JMQ_HOME/bin/jmqbroker script by adding "-Xss128k -Xconcurrentio" to the line that starts with with "def_jvm_args". For example you would end up with a line that looks like:
def_jvm_args="-Xms8m -Xmx128m -Xss128k -Xconcurrentio"
Note that if your system has sufficient RAM you may also want to increase the JVM max heap size parameter (-Xmx128m).
Step 4: On Solaris Increase the maximum number of open file descriptors per process
This is covered in the iMQ 2.0 documentation. One way to do this is to run 'ulimit -n unlimited' in the shell you are going to run the broker in.

Finding the IP address of a router

Hello,
I need to find out the IP address of my router - how can I do this from a terminal?
ifconfig gives my internal and external IP, but it is the router address that I would like. Additionally, it would be useful to know a terminal command that lists the IP addresses of machines connected to my local subnet.
Thanks in advance,
Nick

Have you tried the netstat command ?
http://www.osxfaq.com/tips/unix-tricks/week42/friday.ws
Waiting MacPro(18th Sept Arrive to Cork) || MacBook 1.83 in reparation for RRS Mac OS X (10.4.7) AMD64 3000+

IP address of the CLIENT connected

Hi,
I have a question , How can we get the IP address of the machine connected to the database. Many of the users are connected through the application which is running on CITRIX.
I tried getting from this SQL,
SELECT SID , username , osuser,PROCESS, TERMINAL,MACHINE
FROM v$session.
Here the Machine returned is the IP of the CITRIX.
thanks

Unless the application that is connecting to the database is recording the original client's IP address, Oracle has no way of knowing where the actual client connection is coming from. As far as Oracle is concerned, it only knows about the Citrix box.
It's the same problem in any 3-tier architecture. The database tier has no idea what client tier machine caused the middle tier to open a connection.
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC

I cannot connect my Kindle Fire to the network. It looks for the IP address and says Cannot connect. Try again. On my iPad I see that a new client is on the network but just for the time of not finding the IP address. Any suggestion? Thank you.

The Kindle Fire finds my Wi-Fi network but cannot obtain an IP address. My iPad AirPort is telling me that a new client is on the network until the Kindle Fire says Cannot connect Try again Any suggestion? Thank you

Any chance the wifi network you're trying to connect to has had its access password changed? If so, do you have the correct password?
Can you 'rub' the wifi antenna on the iPad? That might help. I've done this with my iPod Touch and it helped restore the device's ability to connect.
Is it possible to power cycle the wifi router you're trying to connect to?
If worse comes to worse, can you 'reset' the iPad? You could do this, but I'd maybe suggest it as only a last resort.
I think you can also go into the wifi settings and 'delete' that wifi network and then re-connect to it.
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Gaining the IP address of clients connecting

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