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  • Streaming a large file

    - by Rich
    quick question say i wanted to download a file of considerable size 10gb say and i sent the GET request to a web server to download that file question is, if the client stopped reading the TCP connection, would the entire file still be downloaded, or does it depend on the client sending back an ack or something to the circuit asking for the next packet hope that makes sense This question was originally asked involving the Tor network, but i just want to know how a standard internet connection would handle this Thanks

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  • Why would you use IPv6 internally?

    - by KCotreau
    Of course, I realize the need to go to IPv6 out on the open Internet since we are running out of addresses, but I really don't understand why there is any need to use it on an internal network. I have done zero with IPv6, so I also wonder: Won't modern firewalls do NAT between internal IPv4 addresses, and external IPv6 addresses? I was just wondering since I have seen so many people struggling with IPv6 questions here, and wonder why bother?

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  • domain/IN: has no NS records

    - by thejartender
    I have set up a home web server using Ubuntu 12.10 and I can safely say that it works with regards to router forwarding and ports being found. I know this, because switched my hosting provider's VPS SOA record to use my ISP IP with an 'A' value and had my website running from home. This verified that my server was configured correctly so I started what I believe to be the final step in making my old desktop into a full DNS server. I found this tutorial that got me started My LAN network consists of the following: My router with a gateway of 10.0.0.zzz My server with an IP of 10.0.0.xxx A laptop with an IP of 10.0.0.yyy Step 1: I installed bind via sudo apt-get install bind9 Step2: I configured /etc/bind/named.conf.local with: zone "sognwebdesign.no" { type master; file "/etc/bind/zones/sognwebdesign.no.db"; }; zone "0.0.10.in-addr.arpa" { type master; file "/etc/bind/zones/rev.0.0.10.in-addr.arpa"; }; Step3: Updated /etc/bind/named.conf.options with two ISP DNS addresses Step 4: Updated /etc/resolv.confwith: nameserver 10.0.0.xxx search lan search sognwebdesign.no Step5: created a ``/etc/bind/zones directory Step6: Created /etc/bind/zones/sognwebdesign.no.dbwith: $TTL 3D @ IN SOA ns.sognwebdesign.no. admin.sognwebdesign.no. ( 2007062001 28800 3600 604800 38400 ); sognwebdesign.no. IN NS ns1.sognwebdesign.no. sognwebdesign.no. IN NS ns2.sognwebdesign.no. sognwebdesign.no. IN NS ns3.sognwebdesign.no. NS1 IN A 10.0.0.1 NS2 IN A 10.0.0.2 NS3 IN A 10.0.0.3 www IN A 10.0.0.4 yuccalaptop IN A 10.0.0.19 gw IN A 10.0.0.138 TXT "Network Gateway" Step 7: created/etc/bind/zones/rev.0.0.10.in-addr.arpawith: $TTL 3D @ IN SOA ns.sognwebdesign.no. admin.sognwebdesign.no. ( 2007062001 28800 604800 604800 86400 ); zzz IN PTR gw.sognwebdesign.no. 1 IN PTR ns1.sognwebdesign.no. 2 IN PTR ns2.sognwebdesign.no. 3 IN PTR ns3.sognwebdesign.no. yyy IN PTR yuccalaptop.sognwebdesign.no. I then restart bind and dig-x sognwebdesign.no and it works Lastly I perform named-checkzoneon each of my zone files, but me reverse zone fail fails with: sognwedesign.no/IN: has no NS records Can anyone explain what I am doing wrong here or assist me in getting this configured correctly?

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  • I keep getting a Java incoming connections pop up

    - by 1.21 gigawatts
    I keep getting the following message, "Do you want the application “java” to accept incoming network connections?" First of all, what application? Second, if it's part of the browser, which sometimes the browser isn't open, it doesn't show me what page is requesting it. "Application" is very generic. Third what does that mean? Is it asking if anyone on the internet can make connections to my computer?

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  • How would I isolate one networked PC to LAN only?

    - by itsraine
    I would like to have one of my PCs available to the rest of my home network for file sharing and VNC access, but I want to block any Internet traffic going to and from the PC. In other words, I want all local PCs I have connected to the router functioning as any normal LAN would, but when it comes to the Internet I want one particular PC to be "safe" from the Internet. My guess is that this is some sort of port blocking or some other router function, but I'm not quite sure.

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  • Data Sources (ODBC) hangs when trying to create a new database connection

    - by FredrikD
    When I try to create a new database connection, the Data Sources (ODBC) programs hangs or takes a very long time to find the list of available SQL Servers. This only happens when there are other computers on the network, when my machine (a standard Windows 7 laptop) is alone, it works just fine. My question is: What should I look for in terms of SQL server or ODBC configurations that will take away this random behaviour?

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  • Installing Hyper-V Integration Components on Linux

    - by Lance Fisher
    Some big news this week was Microsoft released the Hyper-V integration components for Linux source code under the GPL v2. I just installed Ubuntu Server 9.04 in a Hyper-V VM with a Legacy Network Adapter. How do I install the integration components? Do I have to wait until they are included in the kernel?

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  • What sites/publications are good for staying current on security and malware trends?

    - by Holocryptic
    In my ever expanding quest for knowledge, I'm at the point where I feel like I need to be more up to date with the current security trends, as well as malware and such that are in the wild. I'd like to be able to say, "I've heard of that and the fix is...." versus, "Oh, yeah, I had that eat up half my network before I contained it...." What sites and publications are good for keeping up with these things?

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  • 'Save as' dialogue box in Vista/Win7

    - by DrZaiusApeLord
    Is there a way to get this box to list the local and network drives first instead of listing favorites and libraries first? I have a user who claims this is how this box was until fairly recently but I have not made any changes nor pushed out any big updates. Now that he mentions it, its starting to bug me too. Thanks.

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  • Cisco 1841 and routing /29 address

    - by Jonathan
    Could someone please explain in general terms how I'd configure a Cisco 1841 (2x ethernet ports) to route a public /29 address block (6 hosts) to my internal network. I wish to give the Cisco router one public IP and then several of my internal Windows servers will receive the other public IP addresses. Other hosts behind the router will access Internet via NAT. I'm a bit confused as I've only ever setup routers/firewalls that had a single public IP address with NAT and port forwarding to internal servers.

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  • Full list of top-like tool family for perfomance monitoring in linux: iftop iotop htop atop more? [closed]

    - by Yauhen Yakimovich
    Top-like utilities are extremely handful in my work and I want to make sure I am not missing any of them. Please extend the following list of performance monitoring (top-like) family of linux tools: top - original tool htop - adds support to multicore/cpu iotop - input/output monitoring iftop - network monitoring atop - merges previous elements into a single overview slabtop – displays a listing of the top caches ? The only criteria - maturity and similarity in function/style.

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  • How does Windows 7 detect my switches?

    - by Daniel
    I notices in the Network overview of Windows 7 that my switches are found on the path to the gateway, which baffled me completely. The last time I checked they just took the ethernet packages and transported them to the "right" location. How does this switch detection work? Do switches alter the packages? Do they react on ICMP messages?

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  • Check a specific value in application?

    - by Iyad
    Hi; I have a network with almost 2000 pc, on each of them i have an application installed for monitoring and mgmt, i need to check a specific value in each agent on the 2000 pc, which cant be checked unless you enter each pc and check the properties of the application ! is there any way to automate a process, script to do this.

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  • Firefox, reload without cache check

    - by pmoleri
    It looks like a popular question but it's just the opposite. When I visit a site in Firefox 15 I have two different behaviours when: Pressing enter in the address bar Pressing F5 or the refresh button If I look in the network console I can see that F5 does a lot more requests, most of them about cached resources and with a 304-Not Modified answer. Is there's any shortcut to make a quick refresh? Just like pressing enter on the address bar.

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  • Command-line tool to disable IPv6 in 2K8R2?

    - by brianicus
    I'm in the process of deploying a bunch of Win2K8R2 VMs via vSphere's deployment template stuff, and in the deploy specification it allows you to punch a list of commands to run. Aside from activating Windows (which it doesn't do), it works pretty well. Does anyone know the command-line equivalent of going into a network adapter's properties and unchecking the IPv6 box? If I had that I could put that in the spec and not have to manually uncheck the IPv6 box.

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  • Samba port forwarding?

    - by Robert
    Here's my situation: On my network, most of the clients are on an outside router. Router 1 192.168.1.1 | | - Client | Router 2 192.168.1.2 to router 1, | 192.168.2.1 to clients within | Samba server - 192.168.2.25 I cannot figure out how to get clients under router 1 to access the Samba shares in router 2. I have forwarded ports 139 and 445 to the appropriate machine in router 2 but machines in router 1 still cannot access the server. How would I set this up?

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  • VPN connection over apache mod_proxy

    - by This is it
    Hi We have several virtual machines which are connected in a private virtual network connection. Internet access for these machines is provided via dedicated virtual machine which has apache proxy server on it (they all use this machine as proxy). The problem now is that from several machines we need to connect to external VPN Server, but it seems that VPN connections don't work over apache proxy. Any suggestions on how to enable VPN connection over apache proxy (or some other proxy)? Some other solution? Thanks

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  • Capture virtual machine traffic in Fiddler

    - by HtS
    I'm running Ubuntu in a virtual machine (host machine is Windows 7). Is it possible to use Fiddler in the host machine to capture the traffic from the virtual machine? Seeing as the virtual machine's network must be passing through the host computers NIC, can Fiddler capture the packets? (I don't know of any free alternative to Fiddler for Linux, except Tamper Data, but I need a bit more control). Thanks.

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  • What does a green colored file name mean? [duplicate]

    - by user178744
    This question already has an answer here: What do green folders mean in Windows 7 Explorer? 2 answers I downloaded a .zip file the other day and extracted it using 7zip from my desktop to my laptop over my home network, when it finished, its filename and the filename of its contents was green. What does this mean, can i revert it to normal, has anything been modified and is there a list somewhere of color codes for windows file names.. ? (I can recall seeing blue somewhere before).

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  • can't find ip of wifi acess point

    - by Crash893
    I setup an wireless AP (linksys wifi router) to have no dhcp and point to the main router as the default gateway. I also set it up to obtain a ip from the network but when i go to my main router and look for it i don't see any ip's that it could be If i use net stumbler i can see the mac address of the wifi portion of it but Im at a loss how to get into the web console of this router any ideas on how to "find" this router?

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  • Capture virtual machine traffic in Fiddler

    - by HtS
    I'm running Ubuntu in a virtual machine (host machine is Windows 7). Is it possible to use Fiddler in the host machine to capture the traffic from the virtual machine? Seeing as the virtual machine's network must be passing through the host computers NIC, can Fiddler capture the packets? (I don't know of any free alternative to Fiddler for Linux, except Tamper Data, but I need a bit more control). Thanks.

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  • Hotel like Wifi manager

    - by flpgdt
    Does anyone knows which are these systems that manages paid wifi networks and some hotels and airports? Even better, would anyone know a open/free project that would do or could be adapted to that end? The idea is simple, I want to let the network open at physical level so anyone can connect. After connected however, the clients would have access only to a specified page where they can logging in, and doing the necessary validations the router would allow these of those ports (or even everything) for his IP.

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