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• Would it be smarter to setup a Linux development server at home, or to use a hosted server?

  - by markle976

  I am in the process of learning as much as I can about LAMP. I was wondering if I should set a web server on my home network, or use a service like Rackspace (cloud space)? I need to have root access, to be able to access it remotely via SSH/FTP/HTTP, and to be able to install things like subversion, etc. I currently have Comcast so I have plenty of bandwidth, but I am not sure if this would violate the TOS, and/or compromise the security of my home network. Pricing for these cloud hosts, seems reasonable ($11 per month plus about $0.10 per GB of bandwidth), but I am not sure if I will have to control I am looking for.

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• dhcp status in linux

  - by MA1

  How to find in linux(fedora12) if dhcp is running on network?

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• Can't connect to VPN in Windows XP mode

  - by darkstar13

  I have Windows 7 x32 installed on my laptop. I have also Windows XP mode installed. My setup is that my work-remote programs are in Windows XP mode because my VPN installer in Windows XP only. Lately, I have been having troubles getting on / logging in to VPN. I can access the internet in WinXP mode but When I ping the IP address of the target IP of my VPN network (or even just Google.com), I always get a 'Request Timeout'. However, when I ping the same IP address in command prompt in Windows 7, I get 100% data sent. Is there anything I need to adjust? Before, I have been able to connect instantly. Now, it's like trial and error, or I will have to wait for hours just to be able to enter logon credentials in Cisco VPN dialer. NAT is my network adapter in XP mode.

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• Configuring NAT and static IP on Cisco 877W

  - by David M Williams

  Hi all, I'm having trouble setting up a static IP reservation on a network. What I want to do is assign IP 192.168.1.105 to MAC address 00:21:5d:2f:58:04 and then port forward 35394 to it. If it helps, output from show ver says Cisco IOS software, C870 software (C870-ADVSECURITYK9-M), version 12.4(4)T7, release software (fc1) ROM: System bootstrap, version 12.3(8r)YI4, release software I have done this - service dhcp ip routing ip dhcp excluded-address 192.168.1.1 192.168.1.99 ip dhcp excluded-address 192.168.1.200 192.168.1.255 ip dhcp pool ClientDHCP network 192.168.1.0 255.255.255.0 default-router 192.168.1.1 dns-server 192.168.1.1 lease 7 ip dhcp pool NEO host 192.168.1.105 255.255.255.0 hardware-address 0021.5D2F.5804 ip nat inside source static tcp 192.168.1.105 35394 <PUBLIC_IP> 35394 extendable However, the machine is getting assigned IP address 192.168.1.101 not .105 ... any suggestions? Thanks !

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• Looking for a Software to harden Windows machines

  - by MosheH

  I'm a network administrator of a small/medium network. I'm looking for a software (Free or Not) which can harden Windows Computers (XP And Win7) for the propose of hardening standalone desktop computers (not in domain network). Note: The computers are completely isolated (standalone), so i can't use active directory group policy. moreover, there are too many restriction that i need to apply, so it is not particle to set it up manual (one by one). Basically what I’m looking for is a software that can restrict and disable access for specific user accounts on the system. For Example: User john can only open one application and nothing else -- He don’t see no icon on the desktop or start menu, except for one or two applications which i want to allow. He can't Right click on the desktop, the task-bar icons are not shown, there is no folder options, etc... User marry can open a specific application and copy data to one folder on D drive. User Dan, have access to all drives but cannot install software, and so on... So far ,I've found only the following solutions, but they all seems to miss one or more feature: Desktop restriction Software 1. Faronics WINSelect The application seems to answer most of our needs except one feature which is very important to us but seems to be missing from WINSelect, which is "restriction per profile". WINSelect only allow to set up restrictions which are applied system-wide. If I have multiple user accounts on the system and want to apply different restrictions for each user, I cant. Deskman (No Restriction per user)- Same thing, no restriction per profile. Desktop Security Rx - not relevant, No Win7 Support. The only software that I've found which is offering a restriction per profile is " 1st Security Agent ". but its GUI is very complicated and not very intuitive. It's worth to mention that I'm not looking for "Internet Kiosk software" although they share some features with the one I need. All I need is a software (like http://www.faronics.com/standard/winselect/) that is offering a way to restrict Windows user interface. So IF anybody know an Hardening software which allows to set-up user restrictions on Windows systems, It will be a big, big, big help for me! Thanks to you all

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• How to change 802.1x settings for Wireless in Windows XP SP3?

  - by mspoerr

  Hello, I want to configure EAP-TLS with Machine Authentication ONLY for a wireless network. The supplicant is the bulit-in supplicant in Windows XP SP3. I found the following document: http://support.microsoft.com/kb/929847 - How to enable computer-only authentication for a 802.1X-based network in Windows Vista, in Windows Server 2008, and in Windows XP Service Pack 3 But unforunately the needed command "netsh wlan" is not available in Windows XP - "Note Windows XP SP3 and earlier versions of Windows XP do not support the netsh wlan command." How can I change the settings without the "netsh wlan" command? Thanks, mspoerr

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• Install remote desktop session host remotely

  - by Jorge

  I've removed the remote desktop host role from one of my Azue VM, so I can't RDP into it. I have tried to recreate the endpoints and even the VM with no luck. I can't either access remotely with Server Manager; getting this error: The client cannot connect to the destination specified in the request. Verify that the services on the destination is running" I cannot connect remotely to the registry Make sure this computer is on the network, has remote administration enabled, and that both computers are running the remote registry service PsPing tells me The remote computer refuses the network connection Which workaround can I follow to solve this?

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• How to solve 'Connection refused' errors in SSH connection?

  - by frbry

  I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error like this: Network error: Connection refused. Then, I dont't change anything, try to login a few times more, wait a while and try again. Sometimes I can log in, sometimes I cannot. It seems pretty random to me. What can I do to solve this? Edit: And Sometimes, Putty gives Network error: Software caused connection abort error after displaying login as: text. Here is the ping -t output: Pinging 192.168.2.254 with 32 bytes of data: Reply from 192.168.2.254: bytes=32 time=6ms TTL=64 Reply from 192.168.2.254: bytes=32 time=65ms TTL=6 Reply from 192.168.2.254: bytes=32 time=88ms TTL=6 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=3ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64

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• Bridging VirtualBox over OpenVPN TAP adapter on Windows

  - by Sean Edwards

  I'm trying to configure a virtual machine (VirtualBox guest running Backtrack 4) with a bridged adapter over a VPN connection. The VPN is is hosted by the cybersecurity club at my university, and connects to a sandboxed LAN designed for penetration testing against various servers that the club has built. My host (Windows 7 Ultimate) connects to the VPN fine and is assigned an IP through DHCP, but for some reason the VM can't do the same thing, and I'm not sure why. It's like OpenVPN is filtering out packets from the MAC address it doesn't recognize. I want the virtual machine to bridge over the VPN connection, because our IT office has very strict policies about what you can and can't do on the network. I want to be able to run active attacks (ARP spoofing, nmap, Nessus scans) in the sandbox environment without risking the traffic accidentally going over the university network and getting my internet access revoked. Bridging over the VPN connection and running all attacks from inside the VM would solve that problem. Any idea why the host can use this interface, but the VM can't?

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• September OTN Member Offers

  - by Cassandra Clark - OTN

  Oracle OpenWolrd and JavaOne are coming....so the OTN team is knee deep in planning the OTN Lounges that will be at each event this year (more info in another post soon), but we managed to work with our partners to offer a nice BIG list of NEW offers for September.  Visit Oracle Technology Network Member Discount page for codes and links to these great offers! Oracle Press Oracle Technology Network members get 40% off the newest Oracle Press title, Oracle Exalogic Elastic Cloud Handbook by Tom Plunkett! Mike Murach & Associates, Inc. Get 30% off and sample chapter of Murach’s SQL Server 2012 for Developers by Bryan Syverson and Joel Murach Manning - 41% off titles below and sample chapter of each. Making Java Groovy OCA Java SE 7 Programmer I Certification Guide Apress - Get 30% off on apress.com on Java 7 Recipes A Problem-Solution Approach Safari Books Online - OTN members get 30 days of free access + 20% off unlimited access to Safari Books Online for 6 months. Safari Books Online offers subscription access to more than 24,000 books and training videos about technology, digital media, business management and professional development from leading publishers such as Oracle Press, O'Reilly Media, Que, Addison-Wesley, Wrox, Cisco Press, Microsoft Press, McGraw Hill, Wiley, Apress, Adobe Press and many others. Already a customer? Come see us at Oracle OpenWorld (booth 537) or JavaOne (5110) and mention this to get a shirt!

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• How can I access shared XP files over wifi with an Archos 5 Internet Tablet with Android?

  - by Fred

  I have an Archos 5 Internet tablet with Android. I have been using it to stream video over my XP wifi network. Yesterday the Archos stopped seeing any of my computers. I have found some programs that allow me to see the network, so I know the hardware works. However, this program does not allow me to pick the correct program to play the files I want. I suspect the problem lies somewhere on the XP side. This would probably work better if the Archos 5 allowed me to manually input the IP address. Help?

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• How can I access shared XP files over wifi with an Archos 5 Internet Tablet with Android?

  - by Fred

  I have an Archos 5 Internet tablet with Android. I have been using it to stream video over my XP wifi network. Yesterday the Archos stopped seeing any of my computers. I have found some programs that allow me to see the network, so I know the hardware works. However, this program does not allow me to pick the correct program to play the files I want. I suspect the problem lies somewhere on the XP side. This would probably work better if the Archos 5 allowed me to manually input the IP address. Help?

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• Can Linux works as 802.1X authenticator in bridge mode ?

  - by Kartoch

  I want to create a lab for my students with netkit (a network emulator based on 802.1X) to study 802.1X. I can create the authentication server (FreeRadius) and configure the client with XSupplicant connected by a switch (a Linux in bridge mode). I'm looking to a way to configure the switch as Authenticator, i.e.: when the client is connected, the switch only forwards EAP packets to the authentication server. then the switch lets the user access to the local network when the authentication server authorizes the client. At the present time there is a lot of documentation to do this with a wireless point but no one for a switch. Does anyone have an idea or know the good software for it ?

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• windows 7 losing wired ethernet connection

  - by Brandon Grossutti

  i have a win 7 machine with an Atheros L1 Gigabit Ethernet 10/100/1000Base-T Controller with latest drivers, the machine is upto date with all latest fixes etc. I have it connecting to a WRT310Nv2 router. Seemingly random, win 7 disconnects from the "Home Network" says its in a "public network", then resets the connection to an illegal 169 address. I have tried static ips, dhcp, all with the same results. This seems to have started shortly after i installed Vuze, so I uninstalled it but the problem persists. I know that the router is sound given that I have an XP machine attached with no issues of connectivity at all. I am at a complete loss and have tried everything, pleasse tell me i'm not the only one.

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• windows 7 losing wired ethernet connection

  - by Brandon Grossutti

  i have a win 7 machine with an Atheros L1 Gigabit Ethernet 10/100/1000Base-T Controller with latest drivers, the machine is upto date with all latest fixes etc. I have it connecting to a WRT310Nv2 router. Seemingly random, win 7 disconnects from the "Home Network" says its in a "public network", then resets the connection to an illegal 169 address. I have tried static ips, dhcp, all with the same results. This seems to have started shortly after i installed Vuze, so I uninstalled it but the problem persists. I know that the router is sound given that I have an XP machine attached with no issues of connectivity at all. I am at a complete loss and have tried everything, pleasse tell me i'm not the only one.

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• networking tunnel adapter connections?

  - by Karthik Balaguru

  I understand that Tunnel Adapter LAN is for encapsulating IPv6 packets with an IPv4 header so that they can be sent across an IPv4 network. Few queries popped up in my mind based on this :- If i do 'ipconfig', Apart from ethernet adapter LAN details, I get a series of statments as below - Tunnel adapter Local Area Connection* 6 Tunnel adapter Local Area Connection* 7 Tunnel adapter Local Area Connection* 12 Tunnel adapter Local Area Connection* 13 Tunnel adapter Local Area Connection* 14 Tunnel adapter Local Area Connection* 15 Tunnel adapter Local Area Connection* 16 Except for the *16, all the other Tunnel Adapter Local Area Connections show Media Disconnected. Why is the numbering for the Tunnel adapter LAN not sequential? It is like 6, 7, 12, 13, 14, 15, 16. A strange numbering scheme! I tried to figure it out by thinking of some arithmetic series. But, it does not seem to fit in. There is a huge gap between 7 and 12. Any ideas? What is the need for so many Tunnel Adapter LAN connections? Can you tell me a scenario that requires all of those ? I did ipconfig /all to get more information. From the listing, I understand that: 16, 15, 14, 12 are Microsoft 6to4 Adapters 13, 6 are isatap Adapters 7 is Teredo Tunneling Pseudo-interface I understand that the above are for automatic tunneling so that the tunnel endpoints are determined automatically by the routing infrastructure. 6to4 is recommended by RFC3056 for automatic tunneling that uses protocol 41 for encapsulation. It is typically used when an end-user wants to connect to the IPv6 Internet using their existing IPv4 connection. Teredo is an automatic tunneling technique that uses UDP encapsulation across multiple NATs. That is, It is to grant IPv6 connectivity to nodes that are located behind IPv6-unaware NAT devices ISATAP treats the IPv4 network as a virtual IPv6 local link, with mappings from each IPv4 address to a link-local IPv6 address. That is to transmit IPv6 packets between dual-stack nodes on top of an IPv4 network. That is, to put in simple words, ISATAP is an intra-site mechanism, while the 6to4 and Teredo are for inter-site tunnelling mechanisms. It seems that Teredo should alone enabled by default in Vista, But my system does not show it to be enabled by default. Interestingly, it shows a 6to4 tunnel adapter (Tunnel adapter LAN connection 16) to be enabled by default? Any specific reasons for it? If i do ipconfig /all, why is only one Teredo present while four 6to4 are present ? I searched the internet for answers to the above queries, but I am unable to find clear answers.

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• Windows Server 2008 R2 DNS Server not working?

  - by wolfvilleian

  Hi, I have a server running Windows Server 2008 R2 hosting a DNS server, exchange 2010 and is a domain controller. One computer on the network (and domain) can ping the server 25% of the time, also when I try to ping it's own hostname it also does not work. However another computer that is on the domain can ping it fine, and another computer on the network but not domain can ping fine as well. The computer that cannot ping the server is setup to use the DNS server running on the server only (secondary dns points to nothing) and it will resolve the hostname of the server to the external IP not internal when the other two computers correctly resolve the internal All 3 computers and server are connected directly into the same switch. Does anyone have any ideas on how to fix this? Thanks

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• Virtual NIC on VM couldn't ping externally after Vmotion

  - by ToreTrygg

  Today I vmotioned 5 MS SQL 2005 servers over to a new DRS Cluster. All SQL servers use the "Production_LAN" network and a single virtual NIC of type "VMXNET 3". The first 4 SQL VM (Windows 2003 Standard or Enterprise x32 bit) vmotioned over without a hitch. The last SQL VM I vmotioned (Windows 2003 Standard x64 bit R2) vmotioned over without error, but I upon completion, I could no longer ping the VM. I went into the VM and could not even ping the gateway, however I could ping the loopback. This SQL server is extremely busy in comparison with the previous 4 VM's. I restarted the server and it came back up with the virtual nic working just fine. The build of both servers (vmotioner and vmotionee) is ESX 4.0.0 175625 - So, pre-update 1. Should I suspect the network switch/VM for possibly not updating the mac table on the switch? Anybody else ever have this issue or know what may have caused it? Thank you!

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• How not to send all traffic over SBS connection?

  - by Niels R.

  Hi, My girlfriend uses SBS Connection Manager to connect to her company's network. The problem is that the internet connection is überslow at work, so she wants to use the home internet connection to surf the web and use the SBS Connection to get to her work stuff. Normally with a VPN connection you just have to uncheck a box "Send all traffic over VPN connection" or "Use VPN as default gateway" or something like that. As I've never seen this SBS Connection Manager-thing before, I've no idea where to uncheck a similar box. (I've checked the properties of the connection in Network Connections, but it only has a few options about logging and firewall). Thanks for any help in advance! Kind regards, Niels R.

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• Windows 2008 File Share

  - by user36540

  Hi, I have 3 Windows 2008 Standard servers in my system with no domain controller. Two of the servers are running a NLB cluster and the third server is a file server that the web servers connect to. I want to store my source code on the file server and point the IIS config to the network file share. The web sites also need access to a file share on the file server. I was able to share the network drive and access while logged into either of the web servers but my web apps are unable to access the file share - I assume due to permissions. Does anybody know the correct way to do this? Thanks, Chris

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• Snow Leopard: Optimization

  - by Shyam

  Hi, I have bunch of questions: I have a Mac network, which has five Mac's. Right now, they are individually getting software updates. Is there a way to download the patches/security updates in a single place (repository) and point all machines to this location? Personally, I have tools like Monolingual and Onyx, but are there tools you could recommend that affect the performance of the Operating System positively? Tweaks would be nice. Links and pointers, would be really appreciated. I've read about Time machine, is there a way to backup all machines to a network drive using this tool? Thanks!

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• no way to use opendns on pppoe connection?

  - by magisterludi

  I have an old speedtouch usb modem (revision 0) and on my desktop with xubuntu 12.04 I've configured a pppoe connection. I can connect and my ISP assign an IP address and the DNS but the primary DNS address is not reachable by ping, the secondary yes but no address is resolved then I can't surf the web. Then I want to set the open DNS but there is bo way, if I change manually /etc/resolv.conf it is rewrited by some script (there is the flag usepeerdns on the configuration script, if I exclude it there is no way to assign any DNS server because resolv.conf is not read) also if I set not writable the file changing the default permission. I changed dhclient.conf with the code prepend domain-name-servers 208.67.222.222,208.67.220.220; and now if I connect by a wifi connection to my router I'm using openDNS server but ppp does not use this script as long as I can see and the DNS server is always setted by my ISP. How can I use set DNS manually to a PPP connection? Is there any way to change it after the connection? Why NetworkManager is not able to manage my dsl connection, it seems not able to manage the dsl usb cable modem. If I use pppoeconf NetworkManager doesn't start and I have to manually delete the lines added to /etc/network/interfaces because the system is not able to start with full configuration of network If I connect a modem-router to the same line I can surf with the DNS server assigned by my ISP, I can't figure why. Some suggestion? Thanks to all

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• Replay UDP Packet Capture

  - by inspectorG4dget

  I have a UDP packet capture which was streamed from Port1 on IP1 to Port2 on IP2 on network N1. I need to replay these packets on another network N2 from Port3 on IP3 to Port4 on IP4. I need to know what software to use in order to do this and how I would go about replaying these packets so that I can detect/capture them again in N2. So far, I've tried strictly replaying these packets using a program called Colasoft Packet Player, with little luck. I'd appreciate any help on this. Thank you in advance

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• Clonezilla-SE with another DHCP Server in LAN

  - by aleroot

  I want to install Clonezilla-Server(192.168.1.100) in a network that already have a DHCP Server (dd-wrt with dnsmasq - 192.168.1.1). I've installed Clonezilla-SE on ubuntu Server 10.10, once installed and configured Clonezilla Server i've removed the DHCP-Server and set pxe server address in dnsmasq configuration on DHCP Server : dhcp-boot=pxelinux.0,,192.168.1.100 When i try to start from PXE a Computer in the network clonezilla start, but give me an error that the ipddress of the machine is not given by the clonezilla server and can't continue ... Someone has already tried to configure Clonezilla-SE in a similar enviroment? Is there some configuration on DRBL server of Clonezilla that i need to do ?

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• What is the correct way to restart udev in Ubuntu?

  - by zerkms

  I've changed the name of my eth1 interface to eth0. How to ask udev now to re-read the config? service udev restart and udevadm control --reload-rules don't help. So is there any valid way except of rebooting? (yes, reboot helps with this issue) UPD: yes, I know I should prepend the commands with sudo, but either one I posted above changes nothing in ifconfig -a output: I still see eth1, not eth0. UPD 2: I just changed the NAME property of udev-rule line. Don't know any reason for this to be ineffective. There is no any error in executing of both commands I've posted above, but they just don't change actual interface name in ifconfig -a output. If I perform reboot - then interface name changes as expected. UPD 3: let I explain all the case better ;-) For development purposes I write some script that clones virtual machines (VirtualBox-driven) and pre-sets them up in some way. So I perform a command to clone VM, start it and as long as network interface MAC is changed - udev adds the second rule to network persistent rules. Right after machine is booted for the first time there are 2 rules: eth0, which does not exist, as long as it existed in the original VM image MAC eth1, which exists, but all the configuration in all files refers to eth0, so it is not that good for me So I with sed delete the line with eth0 (it is obsolete and useless in cloned image) and replace eth1 with eth0. So currently I have valid persistent rule, but there is still eth1 in /dev. The issue: I don't want to reboot the machine (it will take another time, which is not good thing on building-VM-stage) and just want to have my /dev rebuilt with some command so I have ready-to-use VM without any reboots.

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