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  • Finding databases for use in applications

    - by JonF
    Does anyone have some recommendations on how I can find databases for random things that I might want to use in my application. For example, a database of zip code locations, area code cities, car engines, IP address locations, or whatever. I'm just asking generally when you decide you need a bunch of data where are some good places to start looking other than google?

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  • Binding on a port with netpipes/netcat

    - by mindas
    I am trying to write a simple bash script that is listening on a port and responding with a trivial HTTP response. My specific issue is that I am not sure if the port is available and in case of bind failure I fall back to next port until bind succeeds. So far to me the easiest way to achieve this was something like: for (( i=$PORT_BASE; i < $(($PORT_BASE+$PORT_RANGE)); i++ )) do if [ $DEBUG -eq 1 ] ; then echo trying to bind on $i fi /usr/bin/faucet $i --out --daemon echo test 2>/dev/null if [ $? -eq 0 ] ; then #success? port=$i if [ $DEBUG -eq 1 ] ; then echo "bound on port $port" fi break fi done Here I am using faucet from netpipes Ubuntu package. The problem with this is that if I simply print "test" to the output, curl complains about non-standard HTTP response (error code 18). That's fair enough as I don't print HTTP-compatible response. If I replace echo test with echo -ne "HTTP/1.0 200 OK\r\n\r\ntest", curl still complains: user@server:$ faucet 10020 --out --daemon echo -ne "HTTP/1.0 200 OK\r\n\r\ntest" ... user@client:$ curl ip.of.the.server:10020 curl: (56) Failure when receiving data from the peer I think the problem lies in how faucet is printing the response and handling the connection. For example if I do the server side in netcat, curl works fine: user@server:$ echo -ne "HTTP/1.0 200 OK\r\n\r\ntest\r\n" | nc -l 10020 ... user@client:$ curl ip.of.the.server:10020 test user@client:$ I would be more than happy to replace faucet with netcat in my main script, but the problem is that I want to spawn independent server process to be able to run client from the same base shell. faucet has a very handy --daemon parameter as it forks to background and I can use $? (exit status code) to check if bind succeeded. If I was to use netcat for a similar purpose, I would have to fork it using & and $? would not work. Does anybody know why faucet isn't responding correctly in this particular case and/or can suggest a solution to this problem. I am not married neither to faucet nor netcat but would like the solution to be implemented using bash or it's utilities (as opposed to write something in yet another scripting language, such as Perl or Python).

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  • How to remove unwanted charecters using split in tcl

    - by Mallikarjunarao
    Here is an example Interface {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} IP-Address {} {} {} {} {} OK? Method Status {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {Protocol FastEthernet0/0} {} {} {} {} {} {} {} {} {} {} {} unassigned {} {} {} {} {} YES unset {} administratively down down {} {} {} { FastEthernet0/1} {} {} {} {} {} {} {} {} {} {} {} unassigned {} {} {} {} {} YES unset {} administratively down down I want remove {} in this. I assumed all the above string interface variable set interface [string trimright [string trimleft $interface "{}"] "{}"] but it doesn't work. How to remove the {} in my example?

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  • Svchost.exe connecting to different IPs with remote port 445

    - by Coll911
    Im using Windows XP Professional SP2. Whenever I start my Windows, svchost.exe starts connecting to all the possible IPs on LAN like from 192.168.1.2 to 192.168.1.200. The local port ranges from 1000-1099 and the remote port being 445. After it's done with the local IPs, it starts connecting to other random IPs. I tried blocking connections to the port 445 using the local security polices but it didn't work. Is there any possible way I could prevent svchost from connecting to these IPs without involving any firewall installed? My PC slows down due to the load. I scanned my PC with MalwareBytes and found out it was infected with a worm, it's deleted now but still svchost is connecting to the IPs. I also found out that in my Windows Firewall settings, under Internet Control Message Protocol (ICMP), there's a tick on "allow incoming echo request" (usually disabled) which is locked and I can't disable it. Its description is as follows Messages sent to this computer will be repeated back to the sender. This is used for trouble shooting for e.g to ping a machine. Requests of this type are automatically allowed if TCP port 445 is enabled. Any solutions? I can't bear going with the reinstalling Windows phase again.

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  • Does image block (firefox addon) save internet bandwidth usage?

    - by dkjain
    Does image block save internet bandwidth usage. I have a data capped plan from my ISP ( 5GB at 2mbps and thereafter 256 kpbs / pm). I doubt if the addon or other similar addon actually saves bandwidht. Here is my point of view, pls correct if that is wrong. When a request is sent to the server, the server sends out whatever page it's requested to serve with all its text and images etc. So essentially my ISP has made his pipe available for the data to reach me thus he would count those bytes under my data plan. When the data arrives it's all first stored to my browser cache (folder) area which means all the data has actually been received by me/computer using my ISP's pipe. The browser then fetches those data from the cache and displays it. By hitting the stop button or blocking images via ur addon I am just choosing not to display the data which would remain in the cache or eventually be discarded if still on the network pipe after a timeout limit. The point is the data request have been completed by the ISP and so the data would be metered and thus using addon such as image block or hitting stop button while page is loading does not in any way save internet bandwidth. Your comments plz....... Regards dk.

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  • How do I detect bots programatically

    - by Tom
    we have a situation where we log visits and visitors on page hits and bots are clogging up our database. We can't use captcha or other techniques like that because this is before we even ask for human input, basically we are logging page hits and we would like to only log page hits by humans. Is there a list of known bot IP out there? Does checking known bot user-agents work?

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  • Can I write a module/filter that gets fired before the web app get's run in Tomcat?

    - by Blankman
    Can I write a module/filter that gets put into the processing pipleline in Tomcat BEFORE the web application even gets run? Something that I could turn on/off for each web application that tomcat is handling. is this possible? So basically it would be a re-usable filter that hooks into the web pipeline that could alter the requests behavior or perform/modify the requests. One example would be to log all ip's, or redirect based on the url, block the request, etc.

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  • static wsdl for a certain end point

    - by Costa
    Hi A certain EndPoint in a web service is not likely to change a lot, also it had a problem which we worked around by putting a static wsdl to the whole web service like this <serviceMetadata httpGetEnabled="true" httpGetUrl="" externalMetadataLocation="http://IP:8250/wsdl.xml"/> Now I want the rest of end points to have a wsdl dynamically created, and one end point which require a static WSDL. I think this is impossible because there is one WSDL per WCF service.

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  • Postgresql - Edit function signature

    - by drave
    POSTGRESQL 8.4.3 - i created a function with this signature CREATE OR REPLACE FUNCTION logcountforlasthour() RETURNS SETOF record AS realised i wanted to change it to this CREATE OR REPLACE FUNCTION logcountforlasthour() RETURNS TABLE(ip bigint, count bigint) record AS but when i apply that change in the query tool it isnt accepted or rather it is accepted, there is no syntax error, but the text of the function has not been changed. even if i run "DROP FUNCTION logcountforlasthour()" between edits the old syntax comes back if i edit the body of the function, thats fine, it changes but not the signature is there something i'm missing thanks

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  • How to rename or relabel a Network Drive label

    - by Subhen
    I am mounting a network drive to windows using WNetAddConnection2 which is working fine but while mounting the drive by default it assigns the name as Server IP and FolderName , NDSTestFolder on 'NAS server (172.24.17.116)'(R:) I need to rename the drive label using SetVolumeLabel but this fails for the network drive saying invalid parameter while SetVolumeLabel works fine for the local drives. Is there a way I can rename or relabel a network drive? So that I can change NDSTestFolder on 'NAS server (172.24.17.116)'(R:) to NDS@MyFolder (R:)

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  • MySQL Query to get count of unique values?

    - by RD
    Hits Table: hid | lid | IP 1 | 1 | 123.123.123.123 2 | 1 | 123.123.123.123 3 | 2 | 123.123.123.123 4 | 2 | 123.123.123.123 5 | 2 | 123.123.123.124 6 | 2 | 123.123.123.124 7 | 3 | 123.123.123.124 8 | 3 | 123.123.123.124 9 | 3 | 123.123.123.124 As you can see, there following are the unique hits for the various lid: lid 1: 1 unique hit lid 2: 2 unique hits lid 3: 1 unique hit So basically, I need a query that will return the following: lid | uhits | 1 | 1 | 2 | 2 | 3 | 1 | Anybody know how to get that?

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  • Windows Server 2003 VPN and Local network

    - by depo
    I have some problems reaching local network , where VPN Windows 2003 server stands. I have a network, which has a VPN server (LAN ip 10.0.0.201). I created a VPN server on that server with different subnet for VPN users (10.0.5.0). After VPN connection is initiated , i am able to acces only 10.0.0.201, but not other PC, which belongs to that network ( all i need to access 10.0.0.203 and 10.0.0.208). I think i need to add somethink to static route table, or not? C:\Documents and Settings\Administratorroute PRINT IPv4 Route Table Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.0.0.254 10.0.0.201 10 10.0.0.0 255.0.0.0 10.0.0.201 10.0.0.201 10 10.0.0.201 255.255.255.255 127.0.0.1 127.0.0.1 10 10.0.5.1 255.255.255.255 127.0.0.1 127.0.0.1 50 10.255.255.255 255.255.255.255 10.0.0.201 10.0.0.201 10 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 224.0.0.0 240.0.0.0 10.0.0.201 10.0.0.201 10 255.255.255.255 255.255.255.255 10.0.0.201 10.0.0.201 1 Default Gateway: 10.0.0.254 Persistent Routes: None C:\Documents and Settings\Administratoripconfig /all PPP adapter RAS Server (Dial In) Interface: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface Physical Address. . . . . . . . . : 00-53-45-00-00-00 DHCP Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 10.0.5.1 Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : Ethernet adapter Local Area Connection 2: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection Physical Address. . . . . . . . . : 00-0E-0C-3D-C9-51 DHCP Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 10.0.0.201 Subnet Mask . . . . . . . . . . . : 255.0.0.0 Default Gateway . . . . . . . . . : 10.0.0.254 DNS Servers . . . . . . . . . . . : 127.0.0.1 Primary WINS Server . . . . . . . : 10.0.0.201 NetBIOS over Tcpip. . . . . . . . : Disabled VPN Client PPP adapter VPN Connection 2: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : VPN Connection 2 Physical Address. . . . . . . . . : DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 10.0.5.4(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : DNS Servers . . . . . . . . . . . : 10.0.0.201 Primary WINS Server . . . . . . . : 10.0.0.201 NetBIOS over Tcpip. . . . . . . . : Enabled

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  • Preventing back connect in Cpanel servers

    - by Fernando
    We run a Cpanel server and someone gained access to almost all accounts using the following steps: 1) Gained access to an user account due to weak password. Note: this user didn't had shell access. 2) With this user account, he accessed Cpanel and added a cron task. The cron task was a perl script that connected to his IP and he was able to send back shell commands. 3) Having a non jailed shell, he was able to change content of most websites in server specially for users who set their folders to 777 ( Unfortunately a common recommendation and sometimes a requirement for some PHP softwares ). Is there a way to prevent this? We started by disabling cron in Cpanel interface, but this is not enough. I see a lot of other options in which an user could run this perl script. We have a firewall running and blocking uncommon outgoing ports. But he used port 80 and, well, I can't block this port as a lot of processes use them to access things, even Cpanel itself.

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  • C# : WHAT KIND OF CONNECTION SHOULD I USE ? [closed]

    - by Harun
    I am developing a network based application. I need to retrieve data through internet. The scenario is like this - a client machine will send data through internet to the server machine and data size will be big enough. So should i use simple TCP/IP socket concept or else? Because i never did a socket program which will retrieve data through internet..... Any suggestion will be very helpful....... Thanks.

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  • send and recive packet in the Lan with multiple mac Addresses in C#

    - by MGH
    Hi , in our Network bandwith assign to mac address and if you can get more than one , you can get more bandwith :) if there any application or class in C# that can do this .... I'm already have the http proxy or port maper to send packets in different ip addresses but because of they are use same mac address it won't work . Any help is appreciated .

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  • C# networking app - should I use sockets or something else? [closed]

    - by Harun
    I am developing a network based application. I need to retrieve data through internet. The scenario is like this - a client machine will send data through internet to the server machine and data size will be big enough. So should i use simple TCP/IP socket concept or else? Because i never did a socket program which will retrieve data through internet..... Any suggestion will be very helpful....... Thanks.

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  • opening site from pc on mobile

    - by PHPgenerator
    I made a web application and I can connect to it some times from another pc on the same wireless network but if i tried to open it on the browser of N95 mobile it gives me alert of "system error" is any one could make suggestions or tell me why I turned firewall off I use static IP for my pc

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  • Windows XP VM on VMWare ESXi 4.1 "pausing" / blocked occasionally

    - by FelixD
    We have an issue with Windows XP SP3 VMs on VMWare ESXi 4.1.0 (the free version): They sometimes seem to "pause" for several minutes. This happens rarely (maybe once a month per VM, at least noticed only that often), but still is an issue for us. It happens for three different but similar VMs on three pretty different hosts (different hardware). I have the feeling that the "pausing" is not actually the CPU blocking, but probably the harddisks, but not 100% sure. The servers have one IDE disk (C:) and one SCSI (D:) and it might be either of the two. I have seen scheduled tasks simply not starting for up to 9 minutes and then running normally again with normal speed. They were totally blocked. This is not a load issue, the VMWare hosts have average load and the VMs in question already have reserved CPU resources plus high priorities for CPU and disk. The Windows boxes run mainly MySQL, Tomcat, FileZilla server, Cygwin stuff, Java + R applications, VMWare client, Elusiva Terminal Server pro, Nagios client. Not sure if this might be related with any of that software (e.g. Elusiva). Trying to debug this, there was nothing visible in Windows Event log, other logs in C:\Windows, VMWare events etc. Unfortunately the vmware.log file ends with "Log throttled". We found that we ran into 2 VMWare bugs there: The VMWare client writes lots on bogus messages in the vmware.log, which we now disabled (log level error setting) plus the bug that VMWare does not unthrottle the log (at least so far despite VM reboots). I know there is not much guidance and that may also be the reason why I so far didn't find anything related on the web or on ServerFault, but maybe some of this rings a bell with someone? Or please direct me to what more info to post. I hope that the vmware.logs get unthrottled eventually (can't easily restart the hosts at the moment). Thanks for any input!

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