Networking locks up regularly - can connect but can't transfer data

About once a day the networking on my Imac G5 dies. I can make outgoing TCP connections which connect to their remote destination, but no data is retrieved.
For example, trying to retrieve a web page from a server on my LAN:
telnet 10.0.1.7 80
Trying 10.1.0.7...
Connected to 10.1.0.7.
Escape character is '^]'.
GET / HTTP/1.0
...at this stage I get no data back (normally I get a page of HTML).
The web server sees my GET request and sends a packet of data back. But it never gets an ACK for that packet so it keeps retrying. Eventually both ends time out.
This problem affects all TCP connections - POP-3, Imap, HTTP, ssh.
Once my Imac is in this state the only option available to me is to restart it. And often it will hang during the restart with a blank screen and I will have to physically power it off with the switch.
Please can somebody offer some advice on how to diagnose this problem? It is driving me mad having to reboot my Mac so many times.
Thanks!

Your HTTP request is incomplete - the server is waiting for more data, therefore your test is in valid.
That's not to say there isn't a problem, but that the information provided does not lead to that conclusion.
You're issuing:
<pre class=command>GET / HTTP/1.0</pre>
and the HTTP/1.0 nature of the request REQUIRES a corresponding host header so that the server can determine the site you're trying to access. This is commonly used by servers running virtual hosting, where multiple sites run on the same server.
The appropriate request should look more like:
GET / HTTP/1.0
HOST:your.site.com
(note the extra return after the last header - this tells the server there's nothing more to come)
The addition of the host header is the key (the actual data may or may not matter, depending on the site in question).

Similar Messages

Airport connects but won't transfer data

I've got the latest macbook pro and it's been working flawlessly since release. However just today inexplicably Airport has stopped working. When I go to network diagnostics, under Network Status i get a Failed status for "Internet" and a Failed status for "Server".
I've restarted, disabled/enabled several times. I really have no idea how this could have happened. The problem is definitely not physical-- when I run win7 in boot camp the wireless works just fine. Is it possible for me to reinstall the airport drivers?

no definitely not
as i said, it works fine when running win 7 in boot camp. Also all other computers in household use wireless just fine.
it's just my installation of osx, and it's just wireless. if i connect with an ethernet cable it works fine.

How can you transfer data from one ipod to another ?

How can you transfer data from one ipod to another ipod ?

The geniusbar told me what to do, I understood but there is still a problem for me >:/ It's not showing up though. Like "device." Nothing is happening, and I tried as soon as I got home. Then after half an hour, then an hour, then 3 hours. My problem is that it's not showing up! It's stuck in recovery mode! There's still like 25% battery. So I have no idea why.

Can you transfer data from one iPad to another iPad

Can you transfer data, books and music from one iPad to another .

You can use iCloud to sync your books and music bought in the iTunes Store, but for anything that you didn't purchased in iTunes Store you must use iTunes

I can not transfer date from one hard drive to another, I keep getting an error because I have two of the same file names and one file name is in caps and I cant change the file name

can not transfer date from one hard drive to another, I keep getting an error because I have two of the same file names and one file name is in caps and I cant change the file name. My original external has an error and needs to be reformatted but I dont want to lose this informations its my entire Itunes library.

Sounds like the source drive is formatted as case sensitive and the destination drive is not. The preferred format for OS X is case insensitive unless there is a compelling reason to go case sensitive.
Why can't you change the filename? Is it because the source drive is having problems? If so is this happening with only one or two or a few files? If so the best thing would be to copy those over individually and then rename them on the destination drive.
If it is more then you can do manually and you can't change the name on the source you will have to reformat the destination as case sensitive.
Btw this group is for discussion of the Support Communities itself, you;d do better posting to Lion group. I'll see if a host will move it.

Please how can I transfer data from my laptop to my ipad

Please how can i transfer data from my Hp laptop windows 8 to my ipad 2 iOS 8.1

Launch iTunes on the PC with the iPad connected, click on the iPad icon in iTunes, and you will see the different kinds of data that can be synced.
Matt

Can I transfer data from my G4 to my IMac over a firewire without them syncing or messing either one up - do not want to modify either one...!

Can I transfer data from my G4 to my IMac over a firewire without them syncing or messing either one up - do not want to modify either one...!

Boot the G4 Mac into Target mode...
http://support.apple.com/kb/HT1661
That should make the G4 look like a big FW drive to the iMac.

HT1373 if I have a Apple ID for my company provided iphone and now have a personal ipad with a different Apple ID, can I transfer data thru icloud?

I have an apple id associated with my company provided iphone. Just received an ipad air for christman and set up a different apple id. Can I transfer data thru icloud since I have 2 different apple ids?

No. You must use the same Apple ID.

But i cant transfer data between iphone/ipad to apple tv any suggestions?

so i purchased 2nd gen apple tv everthing is up to date on homesharing is on but i cant transfer data between iphone/ipad to apple tv any suggestions?

Welcome to the Apple Community.
Do you mean you can't stream movies etc. You can only play media over Airplay, you can't share data from other apps.

How can i transfer data from old MacBook Pro, which is too old to update time machine, to the newest MacBook Pro?

I recently bought a new MacBook Pro, and wanted to transfer all the data from my old MacBook Pro, but I get the message saying I need to update time machine on my old one in order to use time machine. However, my old one is too old to update. So I decided to use the cable to transfer, because I heard I can do it that way even though it could take time. But I have no idea what to do...
Can someone help me?

A Basic Guide for Migrating to Intel-Macs
The Knowledgebase article Intel-based Mac: Some migrated applications may need to be updated refers to methods of dealing with migrating from PowerPC chips to Intel with the Migration Assistant safely. The authors of this tip have not had a chance to verify this works in all instances, or that it avoids the 10.6.1 and earlier Guest Account bug that caused account information to get deleted upon use of the Migration/Setup Assistant. However, a well backed up source that includes at least two backups of all the data that are not connected to your machine will help you avoid potential issues, should they arise. In event it does not work, follow the steps below.
If you are migrating a PowerPC system (G3, G4, or G5) to an Intel-Mac be careful what you migrate. Keep in mind that some items that may get transferred will not work on Intel machines and may end up causing your computer's operating system to malfunction.
Rosetta supports "software that runs on the PowerPC G3, G4, or G5 processor that are built for Mac OS X". This excludes the items that are not universal binaries or simply will not work in Rosetta:
Classic Environment, and subsequently any Mac OS 9 or earlier applications
Screensavers written for the PowerPC System Preference add-ons
All Unsanity Haxies Browser and other plug-ins
Contextual Menu Items
Applications which specifically require the PowerPC G5 Kernel extensions
Java applications with JNI (PowerPC) libraries
See also What Can Be Translated by Rosetta.
In addition to the above you could also have problems with migrated cache files and/or cache files containing code that is incompatible.
If you migrate a user folder that contains any of these items, you may find that your Intel-Mac is malfunctioning. It would be wise to take care when migrating your systems from a PowerPC platform to an Intel-Mac platform to assure that you do not migrate these incompatible items.
If you have problems with applications not working, then completely uninstall said application and reinstall it from scratch. Take great care with Java applications and Java-based Peer-to-Peer applications. Many Java apps will not work on Intel-Macs as they are currently compiled. As of this time Limewire, Cabos, and Acquisition are available as universal binaries. Do not install browser plug-ins such as Flash or Shockwave from downloaded installers unless they are universal binaries. The version of OS X installed on your Intel-Mac comes with special compatible versions of Flash and Shockwave plug-ins for use with your browser.
The same problem will exist for any hardware drivers such as mouse software unless the drivers have been compiled as universal binaries. For third-party mice the current choices are USB Overdrive or SteerMouse. Contact the developer or manufacturer of your third-party mouse software to find out when a universal binary version will be available.
Also be careful with some backup utilities and third-party disk repair utilities. Disk Warrior, TechTool Pro , SuperDuper , and Drive Genius work properly on Intel-Macs with Leopard. The same caution may apply to the many "maintenance" utilities that have not yet been converted to universal binaries. Leopard Cache Cleaner, Onyx, TinkerTool System, and Cocktail are now compatible with Leopard.
Before migrating or installing software on your Intel-Mac check MacFixit's Rosetta Compatibility Index.
Additional links that will be helpful to new Intel-Mac users:
Intel In Macs
Apple Guide to Universal Applications
MacInTouch List of Compatible Universal Binaries
MacInTouch List of Rosetta Compatible Applications
MacUpdate List of Intel-Compatible Software
Transferring data with Setup Assistant - Migration Assistant FAQ
OS X Lion: How to use Migration Assistant to transfer files from another Mac
Because Migration Assistant isn't the ideal way to migrate from PowerPC to Intel Macs, using Target Disk Mode, copying the critical contents to CD and DVD, an external hard drive, or networking will work better when moving from PowerPC to Intel Macs. The initial section below discusses Target Disk Mode. It is then followed by a section which discusses networking with Macs that lack Firewire.
If both computers support the use of Firewire then you can use the following instructions:
Repair the hard drive and permissions using Disk Utility.
Backup your data. This is vitally important in case you make a mistake or there's some other problem.
Connect a Firewire cable between your old Mac and your new Intel Mac.
Startup your old Mac in Transferring files between two computers using FireWire.
Startup your new Mac for the first time, go through the setup and registration screens, but do NOT migrate data over. Get to your desktop on the new Mac without migrating any new data over.
If you are not able to use a Firewire connection (for example you have a Late 2008 MacBook that only supports USB:)
1. Set up a local home network: Creating a small Ethernet Network.
2. If you have a MacBook Air or Late 2008 MacBook see the following:
MacBook (13-inch, Aluminum, Late 2008) and MacBook Pro (15-inch, Late 2008)- What to do if migration is unsuccessful;
MacBook Air- Migration Tips and Tricks;
MacBook Air- Remote Disc, Migration, or Remote Install Mac OS X and wireless 802.11n networks.
Copy the following items from your old Mac to the new Mac:
In your /Home/ folder: Documents, Movies, Music, Pictures, and Sites folders.
In your /Home/Library/ folder:
/Home/Library/Application Support/AddressBook (copy the whole folder) /Home/Library/Application Support/iCal (copy the whole folder)
Also in /Home/Library/Application Support (copy whatever else you need including folders for any third-party applications)
/Home/Library/Keychains (copy the whole folder) /Home/Library/Mail (copy the whole folder) /Home/Library/Preferences/ (copy the whole folder) /Home /Library/Calendars (copy the whole folder) /Home /Library/iTunes (copy the whole folder) /Home /Library/Safari (copy the whole folder)
If you want cookies:
/Home/Library/Cookies/Cookies.plist /Home/Library/Application Support/WebFoundation/HTTPCookies.plist
For Entourage users:
Entourage is in /Home/Documents/Microsoft User Data Also in /Home/Library/Preferences/Microsoft.
Credit goes to Macjack for this information.
If you need to transfer data for other applications please ask the vendor or ask in the Discussions where specific applications store their data.
5. Once you have transferred what you need restart the new Mac and test to make sure the contents are there for each of the applications.
Written by Kappy with additional contributions from a brody.Revised 5/21/2011

Can i transfer data from one icloud itunes account to another

my son has used my i cloud to back up his school work and would like to transfer it to his i cloud account so he can use it on his other devices , computer etc
is this possible?
I have very little on the i cloud account but do use it for photos etc

You cannot transfer data from one account to another.

Can you transfer data from one numbers spreadsheet to another using conditional formatting?

I have a tracker document set up for client payments and when I indicate payment received, it flags green using conditional formatting. However I would like these to automatically transfer to another sheet - without having to cut and paste the associated data to the other sheet. Can I set up conditional formatting to do this? If not how could I get and automatic transfer?
thanks forum.

Hi Kangers,
There are a number of ways to transfer data from one table to the next. It should not be hard to set up.
Conditional formatting would not be involved it moving the data but you could set it up to flag the data in the new table.
Without knowing what your tables and data look like it is hard to propose a solution.
quinn

How can I transfer data between two while loops in parallel

Hello,
I have two while loops in parallel and I want to transfer data from the first to the second loop. The problem isthat data are transfered only when the first loop ends. I tried with queue but it doesn't work. How can I do, preferentially without global variable ?
Thanks.

I join a very simplified VI's because the real works with PXI, RT, ...
When you run the "secondVI.vi", no data comes in array from the "firstVI.vi".
As I said in my first message, I tried with queue too but it doesn't work, because when the terminal go out from the while loop, while loop have to be ended to send data.
Attachments:
transfer_data.zip ‏20 KB

HT4106 Can you transfer data to usb stick from an ipad using the camera connector?

Can you download data to a usb stick using the cammera connector?

The camera connection kit can only be used to import photo/video files form a camera, SD card or USB flash drive. You can't import other types of files. You can't export any type of files using the camera connection kit.
Importing Personal Photos and videos from your iOS device to your computer.
http://support.apple.com/kb/HT4083
 Cheers, Tom

How can I transfer data from one phone to another

I have a damaged iPhone 3 and am trying to transfer data to another iPhone 3. How can I do that?

take a look at the link http:///support.apple.com/kb/HT2109

Networking locks up regularly - can connect but can't transfer data

Similar Messages

Maybe you are looking for