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  • Using nmap to scan for SQL Servers on a network

    I need to try and find all SQL Servers, not just the ones in my domain. We know there are a couple of appliances that are potentially running SQL Server and we want to see them, too. What can I use to do this? Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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  • Running a program on multiple PC's

    - by Jason T.
    I have some of the basic coding down for the program but I do need assistance with something. My goal is to have an alarm go off on multiple PC's in a network indicating that a certain task needs done. Anyone who receives this alarm may stop it, complete the task and log that they did that. What would be the best way to accomplish this in a network? But not every computer in the network will be running this program, just a few.

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  • jQuery not working as expected on HTTPS Internet explorer

    - by jat
    When I try to run my code on any other webbrowsers apart from the Internet explorer it works fine. But when I try to run the code on Internet explorer I do get an alert box saying HERE along with an Ok button. but the problem is when I click on that OK button I do not get anything. Ideally I should be getting another alert box. <!DOCTYPE html> <html> <head> <script src="js/jquery-1.4.2.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#submit").click(function(event) { alert("here"); $.post('process.php', {name:'test1',email:'test.com'}, function(data) { $('#results').html(data); alert(data); }); }); }); </script> </head> <body> <form name="myform" id="myform" action="" method="POST"> <label for="name" id="name_label">Name</label> <input type="text" name="name" id="name" size="30" value=""/> <br> <label for="email" id="email_label">Email</label> <input type="text" name="email" id="email" size="30" value=""/> <br> <input type="button" name="submit" id="submit" value="Submit"> </form> <div id="results"><div> </body> </html> Any help on this is very much appreciated. Edit: I found out that Internet Explorer which has HTTP works perfectly fine but not on Internet Explorer which uses HTTPS.

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  • installing linux on an crippled machine

    - by networkbooter
    I have a somehwat ancient toshiba laptop (which cant boot from a usb) that i want to install linux on (ubuntu i guess). currently running windows XP and ubuntu (via wubi). I want to delete these OSs and replace with ubuntu only. it does have a network boot option - i was wondering if the easiet way is to steup some sort of network boot server on my other computer (which has ubunutu) and get the machine to boot from it so i can install linux? i cant seem to find instructions on the 'net as to how i would go about doing this... any pointers would be most appreciated. thanks!

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  • installing linux on an crippled machine

    - by networkbooter
    I have a somehwat ancient toshiba laptop (which cant boot from a usb) that i want to install linux on (ubuntu i guess). currently running windows XP and ubuntu (via wubi). I want to delete these OSs and replace with ubuntu only. it does have a network boot option - i was wondering if the easiet way is to steup some sort of network boot server on my other computer (which has ubunutu) and get the machine to boot from it so i can install linux? i cant seem to find instructions on the 'net as to how i would go about doing this... any pointers would be most appreciated. thanks!

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  • Joining windows LANs through SSH tunnel

    - by Akke
    I have at home a computer (a windows 7 ult machine) I need to use to manage stuff at the office which hosts windows and linux servers. I am able to set up a SSH tunnel (atleast for firefox proxying) and I'd like to be able to access shared windows network drives on the other end too. I heard something about needing some kind of samba service but I couldn't find anything useful by googling that. What do I need in order to make an SSH tunnel to the office (a NAS, running linux) so that I can access windows server 2008 and windows 7 network drives? Bonus: I'd like to be able to access a MSSQL database server too if it's possible.

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  • A lot of connections to port 6881 - some new attacks or what ?

    - by stoleto
    Ok so i am the admin of a small network with a web server and only the web server has a direct connection to the internet, the rest of the network are connecting through another place. I was inspecting the traffic on the server with tcpdump, and i found a LOT of connections from different IP addresses to port 6881. All ports on my machine are blocked except those who are really needed for a web server (like port 80), so i checked it out and confirmed that 6881 and the rest ports are in filtered(firewalled) state. Why all those ips are continuously trying to make connection to the server on port 6881 no matter it's not open at all ? Is this some new kind of attack or maybe there's some new exploit (maybe 0day?) for some service running on 6881 ? AFAIK on 6881 operate the bittorrent and similar, so really, what's the deal ? It would be nice if someone clarifies me some things.

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  • What NAS setup for syncing over the internet?

    - by Jamse
    I have family living a few hours away and have a lot of files that I would like to share - especially lots of folders of digital photos, but also documents etc. - partially so they can see them, partially so I can have access when I visit them and partially for backup / redundancy purposes. My current hard drives on my main machine are getting pretty full anyway, and I have a MythTV box where my music is currently stored, so I was thinking of getting a NAS anyway. And at the other end my family have a few computers, so they would probably benefit from a NAS too. My general idea (though I'm willing to shift on this if there are any bright ideas about other ways of achieving my objectives) is to get a matching pair of NASs and have them sync over the internet. (To cut down on bandwidth use I would get them in sync locally to start with.) Having read around as best I can it seems that syncing over the internet is generally only a feature on quite high end units. However, I have seen that QNAP seem to feature this on their TS-110 and TS-210 units, which might work (they call it "remote replication"). They seem pretty reasonably priced for what they are, but of course with buying 2 of them and then adding the drives (say 1TB or 2TB each) I'd be looking at about £400 total. So, I'm looking for recommendations really. I don't want to spend more than the QNAPs would cost me, but any other ideas would be most appreciated. I am comfortable with technology and tinkering around, but I don't have as much time for that as I would like, so I guess I would favour solutions that require less tinkering rather than more (even though that's less fun!). Any thoughts would be welcome, as would any comments from people who have used the QNAP boxes for this. Thanks in advance. Some specifications: Two-way syncing. Changes made at either end should be synced to the other. There shouldn't be one unit that is effectively a read-only mirror of the other. Not real time. The syncing doesn't need to be real time - if it updated, say, daily overnight that would be fine. Set and forget. I would prefer minimal user interaction once set up - it would be great if syncs were scheduled and automatic. OS independence. I am running Windows XP plus an Ubuntu-based MythTV box. At the other end there are Windows 7 and Windows XP machines, plus a networked TV set top box which I think can play files off the network. Machine independence. I would favour a system that is self-contained, i.e. not reliant on any particular PC being switched on. If the system had enough else going for it I could perhaps work around it at this end, where I only have one PC that's used as such, but it would be harder at the other where there are at least two PCs that might be accessing the files. Notifications. I guess things like getting an email notification if the syncing fell over for any reason would be useful, though it's not a deal breaker.

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  • Network Error: no buffer space available

    - by braindump
    After some time of running fine, one of our Windows XP SP3 machines does not open some(!) new TCP/IP connections anymore. Putty says "Network Error: no buffer space available", IE won't open any new connections but e.g. network drive mappings still work, even new ones can be established. netstat does not show more open connections that usual, ping and dns lookups work fine. Any hints?

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  • Windows 7 allow pinning exe on network share to taskbar

    - by petebob796
    I am just configuring my new Windows 7 work machine and have discovered that I can't pin an exe on a network drive to the taskbar. Are there any work arounds to this e.g. Registry Edits. I can understand the reasoning it's not allowed by default for newbies as the network location may later not exist but I am certain it always will.

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  • How to connect a Bluetooth network connection using the command line

    - by edg
    I can enable a Local Area Network interface for my machine with the command netsh interface set interface "Local Area Connection" ENABLED Is there an equivalent command to connect a bluetooth network connection? I've tried netsh interface set interface "Bluetooth" ENABLED but it seems to have no effect, the connection remains disconnected. I also tried netsh interface set interface "Bluetooth" connect=CONNECTED but this returns One or more essential parameters not specified

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  • VMWare Network bug in multiple VMWare Workstation versions if using a hardcoded IP address

    - by onyxruby
    I'm having a very tricky problem with some of my VM sessions being unable to reach the Internet or even ping the gateway. I have just set up a new VM Workstation (7) on a W2K8 64bit server (I'll be converting to ESXI 4 once I can find a decent book on it, so for the meanwhile I use workstation). I have imported a number of VM's and setup some new ones on the server.In short the problem with some of the VM's being unable to reach the Internet is that they can't reach the gateway. I've looking at a number of things and can pretty safely rule out the following: Switch, Router, DHCP Server, DNS, Client IP configuration, Routes and typos. The problem is that some of the new clients cannot reach the gateway if their IP address is hardcoded, they can't even ping it by IP address. That rules out DNS and DHCP. Now, if I allow them to get their IP address by DHCP they can reach the gateway and Internet without issue. The interesting thing on this, is that this behavior occurs even if I leave the DNS information hardcoded under TCP/IP settings. It doesn't work unless the IP and gateway are handed out by DHCP even though the same information IP info is being used by the host. Fundamentally from the standpoint of the clients, they are trying to reach the exact same gateway using the exact same IP information regardless of whether they are hardcoded or assigned by DHCP. Here's an example of one client. IP Address 192.168.7.66 - Subnet Mask 255.255.255.0 - Gateway 192.168.7.254 - DNS1 192.168.7.44 - DNS2 192.168.7.254. The issue occurs across six different microsoft operating systems, Windows 7 and Windows 2008 variants all have the issue. My W2K3, XP, Vista and W98 clients all work without issue with hardcoded IP addresses. I have tried things like rearranging the DNS order, flushing DNS and so on. It's not a routing or switch issue as the clients can work just fine if they get their IP by DHCP. It's not a paramater issue as the exact same paramaters are handed out by DHCP as I plug in by hand. It's not a DNS issue as clients cant reach other clients even with IP addresses only. I have run a tracert to the gateway by IP address and it times out on the very first hop before failing on hop3 with destination host unreachable. If I get the IP address by DHCP the tracert finds the gateway (and Internet) without issue. I have read a few other posts online in forums talking about this problem randomly occuring over the years in other VM versions as well, so I suspect some kind of long standing bug. Does anyone have any ideas on this? Is it possibly a bug with Windows 7 and W2K clients under VM?

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  • Snort network instruction Mac OS X

    - by Rasatavohary
    I'm trying to learn network intrusion detection. When I try to launch Snort, in IDS mode, I get this message (I'm running Mac OS X): Initializing Network Interface en1 ERROR: OpenPcap() FSM compilation failed: syntax error PCAP command: snort Fatal Error, Quitting.. How can I fix this problem?

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  • SMB from fedora 12 to windows network

    - by Jean
    Hello, I got Fedora 12 samab and samba client and permitted the same via the iptables. For some reason, I cannot seem to browse my windows network. What did I do wrong, and how can I achieve this. Thanks Jean [edit] - I want to browse the windows workgroup [edit] - Set the workgroup name, restarted the smb in the services, can browse network, but only my fedora 12 system is being shown

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  • SMB from fedora 12 to windows network

    - by Jean
    Hello, I got Fedora 12 samab and samba client and permitted the same via the iptables. For some reason, I cannot seem to browse my windows network. What did I do wrong, and how can I achieve this. Thanks Jean [edit] - I want to browse the windows workgroup [edit] - Set the workgroup name, restarted the smb in the services, can browse network, but only my fedora 12 system is being shown

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  • Best Practise: DNS and VPN (with private network IPs)

    - by ribx
    I am trying to find the best solution for my DNS problem. We are running several services in our company that you can reach only over VPN. Other services, that are reachable through the internet got the domain ... At the moment all services inside the VPN network go by .local... These have an VPN IP of the private network 192.168.252.0/24. Clients reach from Linux over OSX to Windows. I can think of 4 possibilities to implement a DNS infrastructure: Most common: an internal DNS Server, that is pushed by the VPN. But this has several drawbacks: your DNS responses are limited to the speed of the VPN Connection and your own DNS server. Because of very complex websites, this can increase the time for a page to load quite a lot. Also: we have several VPNs that are not connected to each other and all of them have their own DNS server. Several DNS servers locally. These have to be configured by hand. And you have to use some third party tool like dnsmasq. If you start a DNS request, you ask your locally running DNS server, which decides which server to ask for which domain name. One college of mine uses such a solution with this OSX (I am sorry, I don't remember the name of the application). You use your domain hoster. Most of them have APIs available to manipulate your DNS entries. So you could pull your private network informations to your domain hoster. I am not sure whether they all accept private network IPs. But I guess there will be some problems in the same way as in number 4. The one we currently use, because it's for us the most logical choice: we forward the sub domain *.local.. to our own public DNS Server. This works quite good for some public DNS Servers like Google. But most ISPs do not forward the answers. Or don't do that always. Like my ISP sends me a positive result of the a DNS request of a *.local.. domain only every 10th time I make a nslookup. (Can someone explain this?) Here the real Question: Is there another solution we were not thinking about? Or: What of these methods do you use?

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  • Windows XP Network installation from Linux server ( RHEL 5)

    - by Kumar P
    How can i make network installation ( for install Windows XP ) from Linux ( RHEL 5 Server ) ? There is option in linux server to install client machine with linux by network installation. As same as windows server have option to install client machine with windows operating system. Now i want to know steps for linux server (RHEL5) to install client machine with windows operating system (Windows XP) *sorry for poor english

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  • No network connectivity for my CentOS 6 installed in VMWare Fusion in MacOSX Lion

    - by gilzero
    I installed CentOS 6.2 (CentOS-6.2-x86_64-minimal.iso) with VMWare Fusion(Version 4.1.2). (Not with EasyInstall). I am using MacOSX Lion, connect to internet via WIFI. The centos installed does not have network connectivity. *How may I configure it to connect to wifi? * Thanks for any help. Below is screenshot of ifconfig: With the setting Network Adapter, I tried both NAT and Bridged WiFi.

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  • What is Allow multicast from Broadband Network?

    - by PeanutsMonkey
    If a wireless modem router has the option Allow multicast from Broadband Network, what does this mean exactly? What risks are there to leaving it enabled and why would you have it enabled? I understand that a broadcast is sending a packet to every device on the network and a multicast is send a packet to a specified set of addresses. A multicast packet can cross routers whereas a broadcast cannot although I don't quite understand how these "set of addresses are specified"

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  • Sysinternal's Process Explorer v14 doesn't show network activity.

    - by MikMik
    The new version of Process Explorer shows network activity history, but it doesn't in one of my computers. This particular PC runs Windows XP SP3 and it has just been reformatted so everything is "fresh". I have even installed WinPCap and Microsoft Network monitor, in case some of these drivers were necessary, but the graph stays in 0. Any ideas why this could happen? I would ask in Sysinternal's forum, but I really don't want to register in yet another forum.

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  • Windows 7 Forbid connecting to a specific wireless network

    - by Elliot
    Does anyone know how to tell windows 7 to bar a wireless network? It keeps logging into a random open one with no bandwidth my neighbors have instead of the good one we have here. I keep unchecking "automatically log in if available" and it keeps re-checking itself. I want it to NEVER log into this network no matter what without manual intervention. I do not want to disable auto connecting, just tell it "do not ever connect to this one without my express permission".

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  • Using wireless interface in guest OS with bridged network in VMware fusion 3

    - by Chetan
    I'm running Ubuntu in Snow Leopard with VMware fusion 3, and I want to be able to access the wireless network on eth1 within Ubuntu so I can run tools like aircrack-ng. However, the bridged network that VMware sets up connects my Airport interface in Mac to the wired interface eth0 in Ubuntu. How do I set it up so that the Airport interface is connected to the wireless interface eth1 in Ubuntu?

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