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  • How safe is ubuntu?

    - by VJo
    Last week I started desktop sharing using krfb. Since I continue last session, this program keep on starting again. Two days ago I noticed messages poping up saying something like "rejecting uninvited connection from (some ip)", but today I figured it might be because of this and I was right. The krfb was running in the background. Hence the question. How safe is ubuntu? Should I expect someone to connect to my computer and erase everything I got on disk? EDIT To extend my question : how safe it is comparing to other OSs (windows, mac,...)? How safe it is comparing to other distros?

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  • How do I secure a Tomcat installation?

    - by spangeman
    I have installed tomcat on my Ubuntu Home 11.10 system and can successfully access the test page online after port forwarding on 8080 within my router. I have not made any other changes to the router, Ubuntu or the tomcat install, everything else has remained standard. I intend on using this to play around with Java Servlets and basic web development for my own personal use. What steps, if any, would you suggest I take to ensure this is secure? Should I change anything within the Tomcat configuration? This seemed like a good idea to limit access - http://www.seankilleen.com/2010/09/how-to-allow-only-specific-ip-addresses_30.html But I am open to any other recommendations.

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  • Estimating file transfer time over network?

    - by rocko
    I am transferring file from one server to another. So, to estimate the time it would take to transfer some GB's of file over the network, I am pinging to that IP and taking the average time. For ex: i ping to 172.26.26.36 I get the average round trip time to be x ms, since ping send 32 bytes of data each time. I estimate speed of network to be 2*32*8(bits)/x = y Mbps -- multiplication with 2 because its average round trip time. So transferring 5GB of data will take 5000/y seconds Am I correct in my method of estimating time. If you find any mistake or any other good method please share.

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  • Is it possible to configure Ubuntu as a software firewall?

    - by user3215
    I have some systems running on Ubuntu in the private IP range 192.168.2.0-255 . These systems are connected to a switch and the switch is connected to the ISP's modem. Neither the switch nor the modem support firewall options. I don't have any firewall device and I'm not willing to individually configure firewalls on all the systems (via gui/iptables). Is it possible to make an Ubuntu system into something like a software firewall, so that all the traffic/packets sent to or from the WAN(internet) would be allowed/denied based on its firewall rules?

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  • Google search preview shows content not on the website

    - by SDG
    My website google search entry is messed up. In the preview in google search results, I get things like cracks, serials, random ip addresses. I scanned all files and my computer for viruses and malware and could not find anything. I also tried to download and reupload all content from a friend's computer and still that content persists. I also scanned the source code of all files, but the content does not appear in any file. Google also does not detect any malware on the website, as seen in their webmaster tools. I have searched using the same keywords in other search engines such as bing and yahoo and the search results there are fine. I am quite clueless as to what the causes would be for this and what would be a possible remedy.

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  • Baisse de la vitesse globale des connexions mondiales, serait-ce du à l'usage de plus en plus fréque

    Baisse de la vitesse globale des connexions mondiales, serait-ce du à l'usage de plus en plus fréquent du Net mobile ? Malgré une constante croissance des débits les plus rapides, cette rapidité ne s'étend pas pour autant à toutes les connexions Internet du monde. Selon un rapport sur l'état du Net basé sur des informations collectées pendant les trois derniers mois de l'année 2009, le nombre de connexions d'une vitesse de 2 Mbps et plus serait en déclin depuis l'année dernière. Cette étude a étudié les données émanant de 465 adresses IP uniques en provenance de 234 pays qui se sont connectées sur le réseau d'Akamai (l'entreprise à l'origine du rapport), au dernier trimestre 2009. C'est 16% de connexions en plus com...

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  • Is Google Analytics safe for websites that deal with sensitive information?

    - by guanome
    I work for a company that writes several webapps that deal with a lot of sensitive information, such as full name, date of birth, address, and SSNs. Currently we don't have anything to measure site usage, but I would like to use Google Analytics to track usage and statistics about our users. What data is sent to Google when you use Analytics? If I put this on a page that contains any of the above information, will that data be sent to Google? Or are they just getting the necessary information like user agent and IP address?

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  • Why can't I update to 11.04?

    - by user285982
    I am using Ubuntu 10.10 64 bit, and I can browse the internet fine. I am typing this using the machine. When I attempt to use the Ubuntu Update Manager to update to 11.04, I get this error message: Failed to Fetch Fetching the upgrade failed.There may be a network problem. And when I try to change servers, here is what I get: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/maverick/main/source/Sources.gz 404 Not Found [IP: 91.189.91.15 80] It repeats with other lines, 404 not found. Some index files failed to download, they have been ignored, or old ones used instead. Any ideas?

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  • iptables firewall to protect against automated entries

    - by Kenyana
    I am getting unusually large calls on my app. I have implemented CSRF Check over ajax and its working but am still getting so many calls. My guess is that someone has a script that is 'logged' in and making all these calls. Could someone please share a good iptables script for blocking ip's that run 10 calls to /controler/action in a second. I am using `/sbin/iptables -A INPUT -p tcp --syn --dport $port -m connlimit --connlimit-above N -j REJECT --reject-with tcp-reset save the changes see iptables-save man page, the following is redhat and friends specific command service iptables save` That is from cyberciti

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  • Your favorite LiveCD

    - by sova
    Perhaps this is a question better suited for linux.se but since I have servers on all environments I was wondering what your favorite LiveCD is. Wiki defines this, for those unfamiliar, as a CD or DVD containing a bootable computer operating system. Live CDs are unique in that they have the ability to run a complete, modern operating system on a computer lacking mutable secondary storage, such as a hard disk drive. Live USB flash drives are similar to live CDs, but often have the added functionality of automatically and transparently writing changes back to their bootable medium. I tend to stick with Knoppix, and today I have to register the machine on the network before I can get any of my utilities running via IP. Any suggestions?

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  • sed problem ....

    - by moata_u
    hello there ... am facing problem in sed command , i was trying write a bash script that do the following : 1. search for the line that contain :@ , 2.then save the line that contained :@ and replace it with new line ....as following : ! /bin/bash echo "Please enter the ip address of you file" read ipnumber find=grep ':@' application.properties # find the line input="connection.url=jdbc\racle\:thin\:@$ipnumber\:1521\:billz" # preparing new line echo sed "s/'${find}'/'${input}'/g" application.properties # replace old with new line **Problem is nothing happen !!!! * I already tried to use "${find}" instead of '${find}'

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  • How do I configure Mediawiki on EC2 if anonymous browsing is disabled?

    - by Feasoron
    So I have new MediaWiki instance install on a brand new Amazon EC2 instances. All is going swimmingly, until I have to log in via the web browser to configure it. Since I'm running on a hosted server, I can't hit http://localhost/mediawiki/config/index.php like the instructions say to. If I try to hit it via http://<My IP address>/mediawiki/config/index.php, my browser just tries to download the file because anonymous browsing isn't enabled. I seem to be before LocalSettings.php is created, so I don't know how to move forward from here.

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  • Visual Basic for Beginners

    If you want to learn how to program in Visual Basic this tutorial can help you get started in a few simple steps. Visual Basic or VB is a great programming language commonly used for developing Windows programs and applications. It is also used as a server side programming language on the ASP.NET platform along with C# and other languages supported by the .NET framework.... Network Management Software Automate Real Time Network Analysis & IP Mapping. Try NetMRI for Free.

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  • Is the upgrade server working? Im upgrading from 8.10 to 9.04 [closed]

    - by jarod
    Possible Duplicate: How to install software or upgrade from old unsupported release? Is the upgrade server working? Im upgrading from 8.10 to 9.04 and it says "extracting the upgrade failed there may be a problem with the network or the server." Also when I hit check it says "Could not download all repository indexes The repository may no longer be available or could not be contacted because of network problems. If available an older version of the failed index will be used. Otherwise the repository will be ignored. Check your network connection and ensure the repository address in the preferences is correct." and Failed to fetch http://security.ubuntu.com/ubuntu/dists/intrepid-security/main/binary-i386/Packages.gz 404 Not Found [IP: 91.189.92.184 80] and then a bunch more failed to fetch

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  • Host-only network ?VM??????????

    - by katsumii
    VirtualBox ?????·?????????·???? (Oracle VM VirtualBox??)????VM?????????9??????????????????????????????????????????????????????????????????Oracle Data Guard Basic Hands On Training???????!Oracle Data Guard ??????????????Oracle Enterprise Manager ??? Oracle Database???????????????JRockit Flight Recorder?????RAC ??????????????! Oracle RAC 11g R2 ?????????Oracle Database 11g Release 2??????????????????Oracle GoldenGate???????Oracle Complex Event Processing11g SmartGrid???????? ?????Oracle Complex Event Processing11g CEP?BAM??? EDA????????? ????? ?????VM??????Host-only network?????????????????????????????????????????????????????Bridged???????????IP?????????????????????????????Linux??sshd??????????????????????????????????Windows??????????????????????????????? port forwarding ???????Poderosa ?????????? portforwading ????????????????????? ??????PC?? ssh -p 23 oracle@(VBox???) ??????????   

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  • ????RAC??????????????????????????|WebLogic Channel|??????

    - by ???02
    ????????Oracle Database??????????????Oracle Real Application Clusters(RAC)????????????????????????????????????????????RAC????Oracle WebLogic Server????????????WebLogic Suite 11g?????????WebLogic Server/RAC???????Active GridLink for RAC????????????????????·??????????Frances Zhao?(Oracle Application Server ??????·?????·?????)???????????2??????????(???)?Exalogic???RAC?????WebLogic Suite??????? Oracle Fusion Middleware?????????WebLogic Server?????????????????????????????????????????????/?????????????????????????????????????Fusion Middleware??????Oracle Database??????????????????????????????????????????????? ????????·???????????????????????????????????????????????????????????????????????Oracle Exalogic Elastic Cloud????WebLogic Server???????????????Exalogic???????????????????????????????????????????????????·????????????????????????????????????????????????????????????????????????????? ??Exalogic?????WebLogic Server?Oracle Database???????(RAC)???????????????????????Active GridLink for RAC????????????????RAC???????????????????????????????????????Active GridLink for RAC???????????WebLogic Server???????????·??????WebLogic Suite 11g????????????????????????????RAC???????????Exalogic????????????????WebLogic Server??RAC???????????RAC???????????????? Active GridLink for RAC?????????????????????Oracle Database(RAC)?WebLogic Server???????????????????????2???????????????????????????????????????????????????Active GridLink for RAC??????????????????????????????????????????????RAC Notification Service??????????????????????? Active GridLink for RAC???????????WebLogic Server????RAC?????????????????????????????????????????·????RAC?????????????????·???????RAC???????????????????????????RAC????????????????RAC???RAC?????????????????????????????????????????????????????????????? ????Active GridLink for RAC???????????RAC??????????????1??????????????????WebLogic Server?Active GridLink for RAC????RAC???????????RAC?????????????????????????????????????????????????????RAC???????????????????????????????????????????????????????????????·????????????????????????????Active GridLink for RAC?????????????????·?????RAC??????????????????????Oracle Database/RAC????????????????? ??????????????????Oracle Database 11g R2??????????????Oracle Database???????????????????SCAN(Single Client Access Name)??????????????????RAC??????????????????????Active GridLink for RAC????????WebLogic Server?????????????????????????????????????????????Oracle Data Guard????????????????????????·??????????WebLogic Server?RAC??????????????????????? ??Active GridLink for RAC????????????????????Oracle Notification Service??????????????????????·????????????????????????????????????????????????????????????????????????????????????Active GridLink for RAC?????????????????WebLogic Server Multi Data Sources?????????????????RAC??????????????????????Multi Data Sources??????????????????????????????????RAC???????????TCP/IP????????????????????????????????????????????????? ????Active GridLink for RAC?????Oracle Database?????????????Oracle Notification Service?????????????WebLogic Server???????????????????????????????????????????????????????????????????????????????????????Active GridLink for RAC?????Oracle Database/RAC????????????????????·???????WebLogic Server???????????????????????????????????Active GridLink for RAC???????????????????????

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  • ???????????????:????????????

    - by ???02
    ???????????????:??????????????????????????????????????????????????????????ID?????????????Oracle Identity Manager????????????????????Oracle Database Vault???????·?????Oracle Audit Vault????????????????·????????????????????????????????????????????·?????????·?????????????????????????????? ?????????????????????????(????????????????????)???·????????????????????? ???????????????????????????·???????????????????????????????????Oracle Database Vault ~???????????Oracle Database Vault??????????????????????????????(DBA)??????·?????????????????????????????????????????????????????????Oracle Database Vault ~???????????????????????????????????????????????????????????????????????????????????????????????IP????????????????????????????????????????????9:00-17:00?????????????????????????????????????????????????????????????????????????????????????????????????????????????????Oracle Audit Vault ~???????????????????????????????????????·??????????·DBA???????????????????????????????????????????????????????????????????Oracle Audit Vault???Oracle Audit Vault??Oracle Database Vault???????????????????????????????????ID????????????????????????ID????????????????????????????????????????????Oracle Database Standard Edition?Oracle Database Standard Edition One??????????????????Oracle Database Vault???????????Unix?Linux???OS???????????????????????Oracle Database(EE / SE / SE One)??????????????OS??????????????Oracle Identity Manager(???OIM)??????OIM??????????????????????????????ID???????????????ID???·?????????????????ID?????????????????ID????????????????·???????????Oracle Identity Manager ~ID??·????·??????OIM????????????????????(???/???????????)??????????????????????????ID??·? ???·?????????????????????????????????????ID????????????????????????????? ????Oracle Identity Manager ~??·????????????????????ID???????????????????????????????????????OIM?????????????????????????????????????Oracle Identity Manager ~??·??????????????????????1?????????????????????????????????????????????????????????????????Oracle Identity Manager ~????????????????????OIM??ID????????????????????????????????????????????????????????????????? ??40???????????????????????????????????????????????????????????????????? ????????????????????PDF?Office??????????????????????????? Oracle Direct

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  • count specific values in a multidimensional array

    - by user1680701
    I have an odd set of arrays that I need to count how many times specific values show in the results. Currently I have this bit of code. $nested_arrays = shopp_orders( '2011-11-30 00:00:00', '2012-11-30 12:59:59', false, '', 2 ); print_r($nested_arrays); This code pulls multiple arrays (serialized data) from the database and outputs like this Array ( [30] => Purchase Object ( [purchased] => Array ( ) [columns] => Array ( ) [message] => Array ( ) [data] => Array ( ) [invoiced] => [authorized] => [captured] => [refunded] => [voided] => [balance] => 0 [downloads] => [shipable] => [shipped] => [stocked] => [_position:DatabaseObject:private] => 0 [_properties:DatabaseObject:private] => Array ( ) [_ignores:DatabaseObject:private] => Array ( [0] => _ ) [_map:protected] => Array ( ) [_table] => wp_shopp_demo_shopp_purchase [_key] => id [_datatypes] => Array ( [id] => int [customer] => int [shipping] => int [billing] => int [currency] => int [ip] => string [firstname] => string [lastname] => string [email] => string [phone] => string [company] => string [card] => string [cardtype] => string [cardexpires] => date [cardholder] => string [address] => string [xaddress] => string [city] => string [state] => string [country] => string [postcode] => string [shipname] => string [shipaddress] => string [shipxaddress] => string [shipcity] => string [shipstate] => string [shipcountry] => string [shippostcode] => string [geocode] => string [promos] => string [subtotal] => float [freight] => float [tax] => float [total] => float [discount] => float [fees] => float [taxing] => list [txnid] => string [txnstatus] => string [gateway] => string [paymethod] => string [shipmethod] => string [shipoption] => string [status] => int [data] => string [secured] => string [created] => date [modified] => date ) [_lists] => Array ( [taxing] => Array ( [0] => exclusive [1] => inclusive ) ) [id] => 30 [customer] => 12 [shipping] => 23 [billing] => 23 [currency] => 0 [ip] => 24.125.58.205 [firstname] => test [lastname] => test [email] => [email protected] [phone] => 1234567890 [company] => [card] => 1111 [cardtype] => Visa [cardexpires] => 1420070400 [cardholder] => test [address] => 123 Any Street [xaddress] => [city] => Danville [state] => VA [country] => US [postcode] => 24541 [shipname] => [shipaddress] => 123 Any Street [shipxaddress] => [shipcity] => Danville [shipstate] => VA [shipcountry] => US [shippostcode] => 24541 [geocode] => [promos] => Array ( ) [subtotal] => 49.37 [freight] => 9.98 [tax] => 9.874 [total] => 69.22 [discount] => 0 [fees] => 0 [taxing] => exclusive [txnid] => [txnstatus] => authed [gateway] => TestMode [paymethod] => credit-card-test-mode [shipmethod] => ItemRates-0 [shipoption] => Fast Shipping [status] => 0 [secured] => [created] => 1354096946 [modified] => 1354096946 ) [29] => Purchase Object ( [purchased] => Array ( ) [columns] => Array ( ) [message] => Array ( ) [data] => Array ( ) [invoiced] => [authorized] => [captured] => [refunded] => [voided] => [balance] => 0 [downloads] => [shipable] => [shipped] => [stocked] => [_position:DatabaseObject:private] => 0 [_properties:DatabaseObject:private] => Array ( ) [_ignores:DatabaseObject:private] => Array ( [0] => _ ) [_map:protected] => Array ( ) [_table] => wp_shopp_demo_shopp_purchase [_key] => id [_datatypes] => Array ( [id] => int [customer] => int [shipping] => int [billing] => int [currency] => int [ip] => string [firstname] => string [lastname] => string [email] => string [phone] => string [company] => string [card] => string [cardtype] => string [cardexpires] => date [cardholder] => string [address] => string [xaddress] => string [city] => string [state] => string [country] => string [postcode] => string [shipname] => string [shipaddress] => string [shipxaddress] => string [shipcity] => string [shipstate] => string [shipcountry] => string [shippostcode] => string [geocode] => string [promos] => string [subtotal] => float [freight] => float [tax] => float [total] => float [discount] => float [fees] => float [taxing] => list [txnid] => string [txnstatus] => string [gateway] => string [paymethod] => string [shipmethod] => string [shipoption] => string [status] => int [data] => string [secured] => string [created] => date [modified] => date ) [_lists] => Array ( [taxing] => Array ( [0] => exclusive [1] => inclusive ) ) [id] => 29 [customer] => 13 [shipping] => 26 [billing] => 25 [currency] => 0 [ip] => 70.176.223.40 [firstname] => Bryan [lastname] => Crawford [email] => [email protected] [phone] => 4802323049 [company] => ggg [card] => 1111 [cardtype] => Visa [cardexpires] => 1356998400 [cardholder] => ggg [address] => 1300 W Warner Rd [xaddress] => [city] => Gilbert [state] => AZ [country] => US [postcode] => 85224 [shipname] => [shipaddress] => 1300 W Warner Rd [shipxaddress] => [shipcity] => Gilbert [shipstate] => AZ [shipcountry] => US [shippostcode] => 85224 [geocode] => [promos] => Array ( ) [subtotal] => 29.95 [freight] => 9.98 [tax] => 0 [total] => 39.93 [discount] => 0 [fees] => 0 [taxing] => exclusive [txnid] => [txnstatus] => authed [gateway] => TestMode [paymethod] => credit-card-test-mode [shipmethod] => ItemRates-0 [shipoption] => Fast Shipping [status] => 0 [secured] => [created] => 1353538691 [modified] => 1353538691 ) ) This is order data from only two orders. I need to count how many times each state, each city, shipmethod, etc occur in the array. I tried the following but it only counted the 2 large arrays. function count_nested_array_keys(array &$a, array &$res=array()) { $i = 0; foreach ($a as $key=>$value) { if (is_array($value)) { $i += count_nested_array_keys($value, &$res); } else { if(!isset($res[$key])) $res[$key] = 0; $res[$key]++; $i++; } } return $i; } $total_item_count = count_nested_array_keys($nested_arrays, $count_per_key); echo "count per key: ", print_r($count_per_key), "\n"; If someone could show me how to count how many times each state value occurs, example, VA = 2 NC = 1 I can take it from there. Thank You.

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  • Cannot log to Proxmox GUI

    - by greg
    I'm running proxmox on debian 6.0.8 kernel 2.6.32-18-pve. When I try to log into the GUI with the root password, it lets me in for about 2 seconds then asks for the password again: <hostname>:8006/api2/json/cluster/resources 401 (permission denied - invalid ticket) This is not the same behavior as when I give an incorrect password. I suspect a hostname problem, but I can't sort it out. My /etc/hosts contains the following line: <ip> <shorthostname> <longhostname> pvelocalhost The folder /etc/pve/nodes contains a folder name The https certificates matches the hostname. Any idea? TIA greg

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  • Bluetooth RFCOMM / SDP connection to a RS232 adapter in android

    - by ThePosey
    Hello All, I am trying to use the Bluetooth Chat sample API app that google provides to connect to a bluetooth RS232 adapter hooked up to another device. Here is the app for reference: http://developer.android.com/resources/samples/BluetoothChat/index.html And here is the spec sheet for the RS232 connector just for reference: http://serialio.com/download/Docs/BlueSnap-guide-4.77_Commands.pdf Well the problem is that when I go to connect to the device with: mmSocket.connect(); (BluetoothSocket::connect()) I always get an IOException error thrown by the connect() method. When I do a toString on the exception I get "Service discovery failed". My question is mostly what are the cases that would cause an IOException to get thrown in the connect method? I know those are in the source somewhere but I don't know exactly how the java layer that you write apps in and the C/C++ layer that contains the actual stacks interface. I know that it uses the bluez bluetooth stack which is written in C/C++ but not sure how that ties into the java layer which is what I would think is throwing the exception. Any help on pointing me to where I can try to dissect this issue would be incredible. Also just to note I am able to pair with the RS232 adapter just fine but I am never able to actually connect. Here is the logcat output for more reference: I/ActivityManager( 1018): Displayed activity com.example.android.BluetoothChat/.DeviceListActivity: 326 ms (total 326 ms) E/BluetoothService.cpp( 1018): stopDiscoveryNative: D-Bus error in StopDiscovery: org.bluez.Error.Failed (Invalid discovery session) D/BluetoothChat( 1729): onActivityResult -1 D/BluetoothChatService( 1729): connect to: 00:06:66:03:0C:51 D/BluetoothChatService( 1729): setState() STATE_LISTEN - STATE_CONNECTING E/BluetoothChat( 1729): + ON RESUME + I/BluetoothChat( 1729): MESSAGE_STATE_CHANGE: STATE_CONNECTING I/BluetoothChatService( 1729): BEGIN mConnectThread E/BluetoothService.cpp( 1018): stopDiscoveryNative: D-Bus error in StopDiscovery: org.bluez.Error.Failed (Invalid discovery session) E/BluetoothEventLoop.cpp( 1018): event_filter: Received signal org.bluez.Device:PropertyChanged from /org/bluez/1498/hci0/dev_00_06_66_03_0C_51 I/BluetoothChatService( 1729): CONNECTION FAIL TOSTRING: java.io.IOException: Service discovery failed D/BluetoothChatService( 1729): setState() STATE_CONNECTING - STATE_LISTEN D/BluetoothChatService( 1729): start D/BluetoothChatService( 1729): setState() STATE_LISTEN - STATE_LISTEN I/BluetoothChat( 1729): MESSAGE_STATE_CHANGE: STATE_LISTEN V/BluetoothEventRedirector( 1080): Received android.bleutooth.device.action.UUID I/NotificationService( 1018): enqueueToast pkg=com.example.android.BluetoothChat callback=android.app.ITransientNotification$Stub$Proxy@446327c8 duration=0 I/BluetoothChat( 1729): MESSAGE_STATE_CHANGE: STATE_LISTEN E/BluetoothEventLoop.cpp( 1018): event_filter: Received signal org.bluez.Device:PropertyChanged from /org/bluez/1498/hci0/dev_00_06_66_03_0C_51 V/BluetoothEventRedirector( 1080): Received android.bleutooth.device.action.UUID The device I'm trying to connect to is the 00:06:66:03:0C:51 which I can scan for and apparently pair with just fine. The below is merged from a similar question which was successfully resolved by the selected answer here: How can one connect to an rfcomm device other than another phone in Android? The Android API provides examples of using listenUsingRfcommWithServiceRecord() to set up a socket and createRfcommSocketToServiceRecord() to connect to that socket. I'm trying to connect to an embedded device with a BlueSMiRF Gold chip. My working Python code (using the PyBluez library), which I'd like to port to Android, is as follows: sock = bluetooth.BluetoothSocket(proto=bluetooth.RFCOMM) sock.connect((device_addr, 1)) return sock.makefile() ...so the service to connect to is simply defined as channel 1, without any SDP lookup. As the only documented mechanism I see in the Android API does SDP lookup of a UUID, I'm slightly at a loss. Using "sdptool browse" from my Linux host comes up empty, so I surmise that the chip in question simply lacks SDP support.

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  • Web server connection to SQL Server: Response Packet [Malformed Packet]

    - by John Murdoch
    I am seeing very, very sluggish performance between my web server (which handles HTTP web services connections) and a separate server running Microsoft SQL Server 2008. I have been capturing packet traffic on the web server trying to understand why things are running so slowly. I am using Wireshark to capture the packet traffic. The apparent problem is that the web server is sending TDS packets to the data server--each packet followed by a response from the data server with Response Packet [Malformed Packet] in the Info field. The packet sent from the web server appears to have an invalid checksum. Has anyone seen this type of problem before? Any ideas?

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  • jdbc:jtds:sqlserver driver problem

    - by senzacionale
    sonar.jdbc.url: jdbc:jtds:sqlserver://127.0.0.1/SQL2008:1433/Sonar sonar.jdbc.driverClassName: net.sourceforge.jtds.jdbc.Driver sonar.jdbc.validationQuery: select 1 sonar.jdbc.username: Sonar sonar.jdbc.password: Sonar sonar.jdbc.maxActive: 10 sonar.jdbc.maxIdle: 5 sonar.jdbc.minIdle: 2 sonar.jdbc.maxWait: 5000 sonar.jdbc.minEvictableIdleTimeMillis: 600000 sonar.jdbc.timeBetweenEvictionRunsMillis: 30000 Server name of MS SQL server is: 127.0.0.1/SQL2008, DB is Sonar, user and passwd are Sonar but i can not connect to my DB with jdbc. In SQL developer connect by TCP IP works.

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  • Troubleshooting Windows Authentication problems (no challenge) in IIS 7.5?

    - by Aaronaught
    I know that there are thousands of reports of people having trouble getting Integrated Windows Authentication to work with IIS, but they all seem to lead to web pages that don't apply or solutions that I've already tried. I've deployed dozens of sites like this before, so either there's something bizarre going on with the server/configuration, or I've been looking at this too long and not seeing the obvious. Simply put, everything works perfectly on my local machine, but falls apart on the production server, which as far as I can tell has the exact same configuration. On the local machine: The machine is running Windows 7 Ultimate, Service Pack 1, IIS 7.5. The site has been tested successfully, using both IIS and the VS Web Development Server. The IIS site config has all authentication methods disabled except Windows Authentication. The local machine is not on any domain. The Providers set up are Negotiate and NTLM (not Negotiate:Kerberos). Extended Protection is Off. All browsers tested (IE, Firefox, Chrome) show the challenge prompt and allow me to log in to the localhost domain with my (local) Windows account. All browsers tested also work using an opaque local IP address - so the browsers themselves don't seem to care whether the site appears "local" or "remote". I've added a display line to the web page which shows the currently-logged-in user and it shows exactly what I would expect (whichever local user I logged in with). On the remote machine: The server is running Windows Server 2008 R2, IIS 7.5. Loading the web page results in an immediate 401.2 error: You are not authorized to view this page due to invalid authentication headers. No challenge prompt ever appears. The IIS site config has all authentication methods disabled except Windows Authentication. The remote machine is not on any domain. The Providers set up are Negotiate and NTLM (not Negotiate:Kerberos). Extended Protection is Off. On the remote machine (remote desktop session), the same error appears in Internet Explorer regardless of whether the domain is localhost or the external IP address. If I try to view the remote web site from my local machine, the error is still 401, but a slightly different 401. No subcode, with the text: Access is denied due to invalid credentials. The Windows Authentication IIS role feature is installed. The WindowsAuthentication Module is added (at the Server level). The exact same error occurs if I turn off Windows Authentication and enable Basic Authentication. The site does load if I turn off Windows Authentication and enable Anonymous (obviously). I've already followed all of the troubleshooting steps on Microsoft Support: Troubleshooting HTTP 401 errors in IIS I've already tried the workaround shown on another Microsoft support page (supposedly to force NTLM as the only method). Last but not least, I tried turning on FREB for 401.2 errors and the results don't seem to tell me anything useful, all I see is the following warning: MODULE_SET_RESPONSE_ERROR_STATUS ModuleName IIS Web Core Notification 2 HttpStatus 401 HttpReason Unauthorized HttpSubStatus 2 ErrorCode 2147942405 ConfigExceptionInfo Notification AUTHENTICATE_REQUEST ErrorCode Access is denied. (0x80070005) ...this seems to just be telling me what I already know (that it's simply rejecting the request instead of negotiating the credentials). The trace does indicate that the WindowsAuthentication module is correctly loaded because there is a NOTIFY_MODULE_START line with ModuleName = WindowsAuthentication (and various other ASP.NET follow-up events - [un]fortunately, no interesting errors or warnings here). Can anyone tell me what I might be missing here? Quick Update: I'm a little uncomfortable sending a whole Wireshark dump as it would reveal IPs, URLs and other stuff, but I did a side-by-side comparison of the HTTP responses from localhost and the remote server in Fiddler, and it seems fairly self-evident what the problem is: Localhost: HTTP/1.1 401 Unauthorized Cache-Control: private Content-Type: text/html; charset=utf-8 Server: Microsoft-IIS/7.5 WWW-Authenticate: Negotiate WWW-Authenticate: NTLM X-Powered-By: ASP.NET Date: Sat, 17 Dec 2011 23:42:34 GMT Content-Length: 6399 Proxy-Support: Session-Based-Authentication Remote: HTTP/1.1 401 Unauthorized Content-Type: text/html Server: Microsoft-IIS/7.5 X-Powered-By: ASP.NET Date: Sat, 17 Dec 2011 23:43:13 GMT Content-Length: 1293 Aside from a few seemingly-inconsequential differences like cache-control, the main difference is that the remote server is not sending the WWW-Authenticate headers back to the client. So, I guess that narrows the question down to: Why is IIS not sending WWW-Authenticate headers when Windows Authentication appears to be installed, loaded, and exclusively enabled?

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  • Ubuntu - Upgrade to 10.4 - general error mounting filesystems

    - by JC Denton
    Hello All, Using upgrade manager I upgraded my 8.x LTS installation to 10.4. After rebooting the system failed encountered an error and dropped into the recovery console. It appeared to be a problem caused by ureadahead as described here: http://ubuntuguide.net/howto-fix-ureadahead-problem-after-upgrading-to-ubuntu-10-04. So I renamed ureadahead.conf to ureadahead.moved (after remounting the partition rw). this did not help so I renamed the file back again. After rebooting the following error appears: ureadahead terminated with status 5. udev_monitor_new_from_netlink: error getting socket: Invalid Argument mountall:mountall.c:3204 assertion failed in main: udev_monitor = udev_monitor_new_from_netlink(udev,"udev") init: mountall main process (2532) killed by ABRT signal. General error mounting filesystems How will I get my system to boot again properly? thanks

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  • Squid, NTLM, Windows 7 and IE8

    - by Harley
    I'm running Squid 2.7-stable4, Samba 3 and the Windows 7 RC with IE8. I have NTLM authentication setup on my squid proxy server and it works fine for every combination of browser and Windows (including IE8 on XP and Firefox on Win7), but it doesn't work (keeps asking for authentication) for IE8 on Windows 7. I can get it to work using the LmCompatibilityLevel registry hack, but I'd really prefer to get it working on the server. Does anyone have any experience with this? Or know where to start looking? The samba logs don't reveal much. EDIT: Here's what the wb-MYDOMAIN log says when I attempt to authenticate: [2009/08/20 15:13:36, 4] nsswitch/winbindd_dual.c:fork_domain_child(1080) child daemon request 13 [2009/08/20 15:13:36, 10] nsswitch/winbindd_dual.c:child_process_request(478) process_request: request fn AUTH_CRAP [2009/08/20 15:13:36, 3] nsswitch/winbindd_pam.c:winbindd_dual_pam_auth_crap(1755) [ 4127]: pam auth crap domain: MYDOMAIN user: MYUSER [2009/08/20 15:13:36, 0] nsswitch/winbindd_pam.c:winbindd_dual_pam_auth_crap(1767) winbindd_pam_auth_crap: invalid password length 24/282 [2009/08/20 15:13:36, 2] nsswitch/winbindd_pam.c:winbindd_dual_pam_auth_crap(1931) NTLM CRAP authentication for user [MYDOMAIN]\[MYUSER] returned NT_STATUS_INVALID_PARAMETER (PAM: 4) [2009/08/20 15:13:36, 10] nsswitch/winbindd_cache.c:cache_store_response(2267) Storing response for pid 4547, len 3240

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