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  • convert home phone wiring to Ethernet

    - by aaa
    can i convert phone wiring in walls to act as only Ethernet network cause the phone wiring is not in use and not connected to the phone company so there is no voltage in the wires i remove the wall plate and i find 6 wires blue,blue/white,green,green/white,orange,orange/white , and i know that Ethernet use 8 here is what i am thinking get Ethernet cable cut it in half and attach wires from wall to the first computer and the same with the other computer so if this is possible do i just attach wires in the same color and ignore brown wire or do i have to rearrange wires , and how much the speed will be thank you in advance

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  • Funnelling http traffic

    - by spencer p
    I have a situation where a large batch of servers (X), on demand, need to request data from a smaller set of web servers (Y). The worst case scenario is if all servers in X decide to fetch different requests to one server in Y. That would be X amount of connections, which could be a very large burst of traffic. The best case scenario is if 1 server in X hit 1 server in Y in tandem. Life does not work like this. One idea to entertain is placing a proxy, similar to squid between X and Y. All of X servers can connect to this proxy, but would result in a few persistent (http keepalive) connections to Y. If The few were say, 3 or 4, then it would funnel. If we could then rate limit those connections and traffic decides to spike unusually high, we wouldn't hurt anyone but ourselves. Thoughts?

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  • Jumbo Frames on DIR-655

    - by Spookyone
    Hello, I am trying to set up jumbo frames on my gigabit home LAN but no luck so far. My setup is: D-Link DIR-655 router, HW Revision A3, Firmware 1.21 EU Synology DS107+, Firmware 3.0-1337 Laptop w/ Win7 x64, external PCIx NIC managed by "Generic Marvel Yukon 88E8053 based Ethernet Controller" The router is supposed to support jumbo frames but doesn't feature any relevant setting. I set the Jumbo Packet value to 9000 on both the NIC and the Synobox but it doesn't work, ping -f -l 8972 says "Packet needs to be fragmented but DF set". Is there any other setting I overlooked, the DIR-655 doesn't actually support jumbo frames, or what else could be the problem?

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  • How to masked network directory with Active Directory & IIS7

    - by Zach Shallbetter
    Departments within our organization have file directories on our IIS7 2008 R2 server similar to \\apollo\marketing.oems, which are outward facing for clients. We would like to create masked directories for quicker access like \\marketing that would point to \\apollo\marketing.oems. I've done research and have not come across any real answers, although I know it's possible Any help would be appreciated.

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  • Why doesn't Ubuntu show my wireless device after updating the kernel?

    - by Jigar Shah
    After an kernel update Ubuntu doesn't show my wireless device. How can I fix this? I checked the syslogs and it says the following: 2010-02-16 19:25:39,913 WARNING: /sys/module/wl/drivers does not exist, cannot rebind wl driver 2010-02-16 19:25:39,940 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:25:46,066 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:25:46,086 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:25:46,162 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:35:05,451 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:35:05,480 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:35:05,506 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:35:12,496 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:35:19,870 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted 2010-02-16 19:35:23,398 WARNING: modinfo for module wl failed: ERROR: modinfo: could not find module wl 2010-02-16 19:35:23,399 WARNING: /sys/module/wl/drivers does not exist, cannot rebind wl driver 2010-02-16 19:35:23,432 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted

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  • What does "incoming" and "outgoing" traffic mean?

    - by mgibsonbr
    I've seen many resources explaining how to set up a server's firewall to allow incoming and outgoing traffic on HTTP standard ports (80 and 443), but I can't figure out why I would need either of them. Do I need to unblock both for a "regular" web site to work? For file uploads to work? Are there situations where it would be advisable to unblock one and leave the other blocked? Sorry if that's a basic question, but I couldn't find it explained anywhere (also I'm not a native english speaker). I know in a "regular" web site the client is always the one who initiates a request, so I'm assuming a web server must accept incoming traffic on those ports, and my common sense tells me the server is allowed to send a response without unblocking anything else (otherwise it wouldn't make sense to have two types of rules). Is that correct? But what is an outgoing web (service) traffic, and what would be its use? AFAIK if the server wanted to initiate a connection with another machine, the specific port that matters is the one in the other end (i.e. the destination port would be 80), on its end any free port could be used (the source port would be random). I can open HTTP requests from my server (using wget for instance) without unblocking anything. So I'm assuming my concepts of "incoming" and "outgoing" are wrong somehow.

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  • retransmission of lost TCP segment

    - by tcpip
    What will happen in the following scenario (assume the connection is already established): (stack A) send 10 byte data (stack B) send ACK for 10 byte data (stack B) send 200 byte data (stack B) send 100 byte data (stack B) send 50 byte data (stack A) send ACK for 350 byte data and also send 70 bytes data This segment gets lost and does not reach machine B. (stack B) retransmit 200 byte data (step 3) (stack A) send ACK for 200 byte data and the next expected seq number as the one for 70 bytes data Question: Should 70 bytes data be also transferred with the ACK in step 8? Note that the retransmission timer for step 6 has not expired yet.

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  • How can I create a VLAN on my extreme switch for a separate subnet/domain?

    - by drpcken
    I'm putting together a small active directory implementation for a buddy of mine. I currently have 2 servers (one is the primary domain controller) and a couple clients. I need to test and run updates on every machine on this domain, but I would have plug them into my current LIVE domain to get it internet access. From what I've read having two separate domains on a single subnet is a bad idea (even though it is temporary) so I don't want to risk messing anything up on my production domain. I'm pretty sure I can create a separate VLAN on my extreme 48 port switch and plug this smaller domain into it on a different subnet, but I don't know the commands. Both subnets would need internet access of course (one of the things I can't wrap my head around is routing internet traffic between subnets (gateway is on production subnet). Switch is a Summit x450e-48p My production domain is on subnet 192.168.200.0. My new domain I want to put online would go into subnet 192.168.10.0. A shove in the right direction would be greatly appreciated. Thank you!

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  • bluetooth doesn't recognize mouse (and other devices)... sometimes

    - by Angelo
    I have a problem with bluetooth with Vista, running on my MacBook. It often doesn't recognize my wireless Magic Mouse. And I saw that it even doesn't seem to start as the pictogram in the task-bar isn't there most of the time I run Vista. But I'm only an Apple-nerd, so I don't know to much about this issue on Vista. When reinstalling Boothcamp or other updates, then once in a while bluetooth recognizes my own mouse (and other devices from some neighbours... so that implicates that the problem must be the bluetooth function in the first place, not my mouse.) Is there some update for the bluetooth application? Angelo

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  • very slow internet with Linksys WRT54GL only in wireless mode (wired is OK)

    - by gojira
    I bought a new Cisco Linksys WRT54GL router to connect my laptop (running Windows 7) to the internet. I installed Tomato 1.28 firmware on the router. When I connect the laptop to the router via ethernet cable, everything is fine and I get extremely fast up- and download speeds. When I connect wirelesssly however, websites load extremely slow - it takes dozens of seconds to load a website! <-- This is my question, how can I fix the wireless speed issue? Gmail for example is unusable this way. I tried speedtest.net, but this always fails in the upload part of the test so I can't even test the bandwidth (could the fact that it fails in the upload part, not the download part, be an indication what the problem is?!). I have isolated the problem a bit, I am convinced it has to do either with the router itself, the router settings, or the settings of the wireless connection in Win 7. Because previously, I was using another router by Buffalo and I had no problems whatsoever. I have tried to reproduce the settings from the Bufallo router as closely as possible on the Linksys router (same channel, same encryption etc). The download speed problem only occurs with the Linksys router, and only in wireless mode! When I exchange the Linksys router with the Buffalo router I have here for testing, the wireless speed is up to normal again. Also, before I had installed the Tomato firmware I had exactly the same problem, so it has nothing to do with the firmware itself. Notes & things I already tried: Changing the channel: does not seem to affect anything, I am also on the same channel (10) which I was previously on when I had a Buffalo router. QoS is off. Ping to the router itself is OK, ~ 1 ms. Some current settings of the linksys router: WAN / Internet Type: DHCP Wirelesss Mode: Access Point B/G Mode: Mixed Broadcast: check Channel: 10 - 2.457 GHz Security: WPA2 Personal Encryption: AES

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  • Host ::1 resolves to remote IP

    - by thebuckst0p
    /etc/hosts files usually have this line, ::1 localhost. I thought ::1 was the equivalent of 127.0.0.1/localhost, and from my reading it seems to be the IPv6 version. So I was using it in Apache for firewalling, "Allow from ::1" and it only allowed local. Then suddenly that stopped working, so I pinged ::1 and got a remote IP address. I tracerouted it and it went through my ISP, through some Microsoft server, then another half dozen steps of asterisks... I'm not sure why this would be (the remote IP), but it doesn't seem good. I grep'd my hard drive for the remote IP and it doesn't appear anywhere. Is this some indicator that I'm being hacked, or normal behavior? Maybe my IPv6 settings are wrong? (This is a brand new MacBookPro with Snow Leopard.) Any ideas about this would be great - what is ::1 supposed to be, why would it be remote, should I be worried, how do I get it back to localhost? Thank you!

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  • How do I map a network drive in Ubuntu? I want to save my Firefox downloads directly in the mapped n

    - by NJTechie
    I work in an environment wherein files are exchanged over email which are then processed into databases. In Windows, mapping a network drive and storing files directly to a folder in the network drive from Firefox/Chrome downloads is a breeze. How to achieve the same in Ubuntu? I don't see the SFTP'ed drive/directory as options in Firefox- Downloads setup. Thanks in advance!

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  • How do I map a network drive in Ubuntu? I want to save my Firefox downloads directly in the mapped n

    - by NJTechie
    I work in an environment wherein files are exchanged over email which are then processed into databases. In Windows, mapping a network drive and storing files directly to a folder in the network drive from Firefox/Chrome downloads is a breeze. How to achieve the same in Ubuntu? I don't see the SFTP'ed drive/directory as options in Firefox- Downloads setup. Thanks in advance!

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  • netmask: command not found

    - by Ian R.
    I purchased a new server with a few ip's so I modified the /etc/network/interfaces file recently so that my ip's can go live. While editing that file I created a backup and deleted the original file. I recreated the interfaces file using the touch command and gave +x permissions but now, when trying to restart the interface (/etc/network/interfaces restart) I get all sorts of errors: /etc/network/interfaces: line 10: iface: command not found /etc/network/interfaces: line 11: address: command not found /etc/network/interfaces: line 12: netmask: command not found /etc/network/interfaces: line 13: auto: command not found Can any1 point what I forgot to do? Thanks.

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  • How to setup firewall to allow internet connection sharing via Wifi USB stick?

    - by hannanaha
    I have a Windows8 computer linked to the internet via an ethernet cable ("Ethernet" network connection). I have attached to it a DLink Wifi USB stick, and I'm trying to share the main PC's internet connection with my Android phone via a local wifi network. I am using the following batch file to set up this network: netsh wlan set hostednetwork mode=allow ssid=MyWifiName key=password keyUsage=persistent netsh wlan start hostednetwork After I run this script, I can see a new network connection appear in "Control Panel\Network and Internet\Network Connections" named "Local Area Connection *12", and I can see "MyWifiName" on the Android phone. The device name for this connection on the PC is "Microsoft Hosted Network Virtual Adapter". I also set up the "Ethernet" connection to share Internet with "Local Area Connection *12". However, the Android phone usually doesn't manage to obtain an IP from the wireless network, and when it does, there still seems to be no connectivity to the internet. When I turn off the Windows Firewall completely, or even just for "Local Area Connection *12", the Android connection is perfect. My questions are: How should I set up the Windows firewall to allow the phone to connect properly? Is there a specific rule I need to add to the Windows firewall advanced settings? [Note: the above method worked great in Windows 7, without any specific tinkering with the firewall]. Is it safe to turn off the firewall specifically for the "Local Area Connection *12" (the wifi connection) if the main Ethernet connection is still protected by the firewall? Thanks in advance.

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  • Setting up virtualbox for outside access

    - by Morgan Green
    I have a computer running a server that my subdomain on my shared hosting account points to. IE subdomain.mydomain.org goes to my home server. Now then; what I'm wanting to do is be able to access my VirtualBox servers through that subdomain and a different port. E.G Ubuntu Virtual Box Server 1 Username:Ubuntuhost1 Password:MyUbuntuHost1 Port:4000 Internal IP: 192.168.1.60 External IP: 24.29.138.45 Ubuntu Virtual Box Server 2 Username:UbuntuHost2 Password:MyUbuntuHost2 Port:4001 Internal IP: 192.168.1.61 External IP: 24.29.138.45 Now I want to be able to access RDP number 1 through Port 4000, but if I access Port 4001 it will connect to the server on port 4001; both using the same subdomain. The next issue is the fact that even though I know what the IP addresses are on the router for the virtualbox hosts through ifconfig it doesn't change the fact that they don't show up on the router. If anyone knows how to configure this to work please help me out because I've been racking my brain to the highest extent I can. Alright; here's an edit to clarify more; Sorry. My ports on the router are edited to forward Port 4000 on Internal IP 192.168.1.63 (My Ubuntu Internal IP address) Now when I go to my Router Home Page my VirtualBox Internal IP Address doesn't show on the attached device listings, so I set up port forwarding anyways to the VirtualBox Internal IP. My end goal is when I connect to mydomain.org and I connect through port 3389 it takes me to my host computers server, but if I put in mydomain.org and go through port 4000 it's going to redirect to my VirtualBox server; Is this even possible? Sorry; I'm trying to clarify the most I think I can I just don't know how else to explain my issue.

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  • DNS not responding

    - by Born2win
    I have a Dlink DIR-615 router and I have it around six mounths. My internet connection is VPN (PPTP) based i.e. I have been give a username and password from my isp and my ip address is dynamic. But from few days I am experiencing a serious problem. My router connects normally (i can see yellow light) but my computer is giving "DNS not responding" error. I have tried everything (reset,reboot etc) but no sucess. Any help would be appreciated :)

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  • Mass Port Forwarding?

    - by Devoted
    Hi I had trouble but I finally port forwarded 21-23 and thus got SSH working on my Ubuntu machine. If I want to do other things with it such as FTP, should I just port forward 1-10000 so I don't have to worry about port forwarding each individual port? What are the advantages/disadvantages of this?

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  • How to download large files when the download size is restricted ?

    - by Rahul
    ? In my office, the network admin has restricted the download limit to a size of 1.8MB for any file. This is for sub ordinates accounts only. But for my manager's PC, there are no restrictions. Is there any way to download files from my PC by using my managers' ip address. I just tried using his ip on my pc but, had the same problem. ? Earlier I was given access to our Linux server from my pc using putty. Then I used to download large files on to the server and then transfer from server to my machine using fire ftp. This transfer worked perfectly fine. But, now I don't have any access to the server. So can I be able to download large files using fire ftp from my own PC ? I'm using Windows XP machine. Please suggest a solution by any possible combination. Thanks.

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