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• WAN and LAN setup for IPv6

  - by neu242

  We just got a IPv6 /48 range (a gateway and an IP address) for our company, but I'm unsure about how to set it up. We use FreeBSD 8.4 (pfSense 2.1) as a router/firewall. Currently we have IPv4 setup with a WAN towards the internet, and a NAT-ed LAN behind it for office PCs. We want to keep the LAN network for security, and we want IPv6 addresses from the /48 for all office PCs (without NAT). The WAN is configured with the IPv6 gateway 1111:2222:3333::1/48 and interface address 1111:2222:3333::2/48. But when it's configured this way, I guess it's impossible to fit the LAN on a /64 within the /48? I believe I should configure the WAN subnet on 1111:2222:3333:1::/64 and the LAN on a subnet like 1111:2222:3333:2::/64. Is this something I can configure myself, or do I have to ask the ISP to configure that routing for me?

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• Configure Virtualbox guest with static IP, SSH and internet access from host

  - by koskoz

  I have an Ubuntu Server 12 virtualbox guest running on a Windows 7 host which has a dynamic IP (and I don't wanna change this considering it's a laptop and I'm changing network frenquently). I want to have a static IP for my VM and a SSH access from my host but I still want to have the internet access on my VM. I tried added a second host only adapter and configured /etc/network/interface to set eth1 to a static ip, but I can't connect via SSH to it. Setting only adapter1 to host only works for SSH and static IP but I lose the internet access.

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• VMWare hypervisor with only 1 network card?

  - by Rafiq Maniar

  VMWare hypervisor minimum requirements states that the minimum network requirements is: one NIC, plus one for Management interface (source: http://www.vmware.com/products/datacenter-virtualization/vsphere-hypervisor/requirements.html) It used to be possible to use 1 NIC only. Is anybody using the new versions of VMWare in this configuration? I ask because my colo provider will only provide me with 1 uplink (my server does have 2 NICs). I need to be able to run the VMs and also have remote management using only 1 NIC. Possible?

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• Windows Server 2003 Router, Good approach [closed]

  - by jM2.me

  Possible Duplicate: Windows Server 2003 Router with PortForwarding Situation We have Verizon Fios 25/25 Internet Connection, Server acting as a router, and around 12 office computers. Task Portforward port 29000 from office computer. Problem Once I connected wan and lan cables I just had to set static lan ip (on server) and plug in switch with office computers into second nic. Then just right click on wan nic and select share internet connection. All office computers were assigned with an IP address 192.168.0.XXX and Gateway 192.168.0.1 (server). Now I have to open port and portfoward it from computer 192.168.0.190 (static ip, manual). Using this guide http://www.rosscode.com/blog/index.php?title=port_forwarding_in_windows_2003&more=1&c=1&tb=1&pb=1 I faced a problem. Before enabling "RRA" I had to unshare internet connection (wan interface) and was able to setup network. Now how do I setup a network within "RRA" and share internet with private network? Thank you much

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• OpenBSD: Gateway outside subnet (works in Linux)

  - by kshade

  We need to set up an OpenBSD host to use a default gateway that's outside of it's subnet. This is all I need to do on Linux (not the actual IPs) to achieve it: ifconfig eth0 33.33.33.33/31 up route add 33.33.33.254 dev eth0 route add default gw 33.33.33.254 The problem is that we don't know the proper equivalent of the middle command in OpenBSD. The man page says: If the destination is directly reachable via an interface requiring no intermediary system to act as a gateway, the -iface modifier should be specified; Sadly we can't seem to figure out how to make it work with that. This is a virtual host on an OVH server, they have documentation for many other operating systems showing how to do it here: http://help.ovh.co.uk/BridgeClient

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• Forward public port to localhost

  - by Dan

  I have a process running on my Ubuntu 12.04 server that insists on binding to a public IP address. I only want it accessible from localhost, and NOT the outside world. I've been trying to work out a way to forward 1.2.3.4:8888 to 127.0.0.1:8888. I saw something about iptables not wanting to forward connections to loopback, and I haven't been able to make it work with xinetd either. It's also important that the connection not only be available on localhost, but be inaccessible on the interface it's trying to run on. Is this even possible?

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• Cannot Login as root

  - by Josh Moore

  At my work we ship our product on pre-installed servers as a software/hardware package. We are using open SUSE 10.3 for the OS and we setup and we always log in with the root user to do maintenance on the box. Recently we just had box returned to us that the customer said the could not longer connect to the box through the network interface. So when I started to work on the box I run into the this problem: At the command prompt to login i type the user name "root" and hit enter. Then even before it asks me for a password I get "Login incorrect". I have never seen this behavior before and could not find any information about it online. Does anybody know what is going on? Thanks.

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• Tool to track bandwidth by domain name?

  - by Grant Limberg

  I'm running an Ubuntu 10.04 server that hosts several domain names. All domains point to the same IP address and use the same network interface. I'm really only concerned with the main domain name such as my-domain1.com and my-domain2.com. It should include subdomains such as www.my-domain1.com with the totals for my-domain1.com. Is there a tool out there that is configurable to track bandwidth usage on a per-domain name basis? Edit: I'm not looking for only web usage. I'm looking for all traffic.

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• WD Elements Desktop External - Not recognised on a single computer

  - by Aelexe

  My WD Elements Desktop External is no longer recognised on my main computer. It has worked fine in the past, but now all of a sudden is not detected. It does not prompt when plugged in, nor does it show up in the disc management interface or the device manager. It appears to be aware that it is plugged in however as the light on the external blinks rapidly for a short while after being plugged in. The strangest thing however is that it works fine on other computers, including my family computers and my laptop. I have attempted to troubleshoot the issue by trying various USB devices in multiple ports on each system to see if there is any correlation with the issue, but have come up with nothing that gives me an idea of what is going on. I have also attempted to format the external using my laptop, but that has not helped either. If anyone has had a similar issue, or knows of any potential solutions, please post your advice. Thanks for your time.

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• Can't get iptables firewall working correctly

  - by Jay

  I'm setting up a new Centos 5.6 system and can't get my iptables firewall to work correctly. it won't let me use SSH through it. I'm new to Centos but not to Linux or iptables. I've been removing things until I have isolated the problem. I set up the firewall with a default ACCEPT rule for the INPUT chain. I can connect through to the server fine. If I change the command to only allow traffic from the interface connecting to my trusted network it stops working. Working: iptables -A INPUT -s 0/0 -d 0/0 -j ACCEPT Failing: iptables -A INPUT -i eth0 -s 0/0 -d 0/0 -j ACCEPT I've double checked the ip address I'm using corresponds to eth0 using ifconfig. Any ideas where I went wrong?

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• Should I be using Windows Live Mail or Outlook?

  - by Relequestual

  I have been using Windows Live Mail now for a few years, and like the interface, ect ect. Just having a clear out of my domains emails, and think I should set up the other accounts properly. I have Outlook (using 2010 beta), so I thought maybe I should use it? Can anyone give me reasons for and against both bits of software? I did look for some comparisons between the two, but can't find much. Plus I always value up to date information. Bit more background: Using 1 Hotmail and 5 IMAP accounts (possibly more). Use a Windows Mobile. Any way I can sync the calendar and tasks OTA to my hotmail and back down to outlook? I know this is probably more a discussion question (sorry), but I would argue that it can be answered, as it is a question relating to what I myself, in my circumstances would be best. Thanks in advance. Rel

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• Unable chage IP address for eth0 without restart in Ubunto

  - by Rodnower

  I have Ubuntu 12.04.1 installed. I try to change IP address of the interface eth0 in /etc/network/interfaces from 192.168.1.3 to 192.168.1.4: auto lo iface lo inet loopback pre-up iptables-restore < /etc/iptables.up.rules auto eth0 iface eth0 inet static address 192.168.1.4 gateway 192.168.1.1 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 sudo service networking status Now I issue: sudo service networking restart I have response: stop: Unknown instance: networking stop/waiting And IP remains 192.168.1.3: eth0 Link encap:Ethernet HWaddr 00:1e:33:71:cd:a4 inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::21e:33ff:fe71:cda4/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3861 errors:0 dropped:0 overruns:0 frame:0 TX packets:3291 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3423285 (3.4 MB) TX bytes:521854 (521.8 KB) Interrupt:45 Base address:0x4000 Only after restart IP changing... Any ideas?

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• Does Google Tv (NSZ-GS7) work with HTPC?

  - by Mark Trinh

  I was wondering if my Google Tv will seamlessly work with my HTPC. I'm running Windows Media Center using a InfiniTv quad tuner with a cable card. I'm able to connect my GTV with my HTPC and be able to see the GTV interface overlaid on top of media center. Unfortunately, I'm not really able to use the Tv/Movies App to look at live shows and change the channel. I have the Video device setup as Media Center PC, but then the Live Tv App doesn't work. If I change to my tv service provider (Verizon FIOS), the Live Tv App works, but then it won't be able to change the channel.

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• How to disable the Windows 8 lock screen, without disabling the password?

  - by zeel

  Windows 8 now has a slide-away lock screen like so many other OSes designed for a touch interface. However on a non-touch PC/laptop this is just an extra annoying step in logging in. There is an option to disable it, but this also turns off the password requirement. Is there a way to disable the lock screen, and have Windows wake up directly to the password entry screen? Often when pressing a key to hide it there will be a noticeable delay before password entry is accepted, and no indicator, so one can easily lose the first character or so that they attempt to type, thus failing the login attempt.

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• VirtualBox VRDP server doesn't start on Windows

  - by quanticle

  I've installed VirtualBox 4.1.8 on a Windows 7 Ultimate host system. I've set up an Arch Linux VM that starts just fine from the VirtualBox GUI. However, when I try to start it with VBoxHeadless --startvm <vm_name> it prints the following Oracle VM VirtualBox Headless Interface 4.1.6 (C) 2008-2011 Oracle Corporation All rights reserved. and then it just sits there. I never get the VRDE server is listening on port 3389 message like when I start a headless VM on a Linux machine. Do I have to configure anything else in order to get the VRDE server to run?

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• Duplicate of IPSEC certificate template not displaying

  - by Tim Brigham

  I am working on getting IPSEC working on computers outside my domain. I am unable to get a duplicate of the IPSec Offline Request template to show on the web interface. My CA is 2008 R2 Enterprise and the permissions on the template should be adequate to allow me access (my account has read and enroll). If I publish the original template it functions as desired. I also have other custom templates in use (although using autoenrollment). The duplicate is almost identical to the original, excepting that it has a longer validity period and the private key is marked as exportable. How do I debug at this point?

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• Which Microsoft server applications are compatible with Windows Server 2012? [closed]

  - by Massimo

  As mush as I personally find the new user interface to be absolutely awful (and even more so on a server O.S.), we'll soon have to put up with Windows Server 2012 (formerly Windows Server 8). So, let's start with the basics: which Microsoft products do actually run on it? I've been looking around for a compatibility chart for a while, but couldn't find one. On the requirements/support pages for various Microsoft products (even for the latest releases), Windows Server 2012 is never mentioned at all. So, what about... SQL Server Exchange Lync SharePoint System Center (CM, OM, DPM, VMM...) And so on?

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• Connecting via url to a server that is on the same network as me

  - by Axehead

  Good day, I'm having problems with the ftp server I've just set up. I've already managed to configure my modem and wireless router to open up port 21 and setup ftp in my server. But It seems that when I try to connect to it when I'm in the same network as the server via URL, (ftp://mydomain.com) it redirects me to the modem's web interface. But then when I try to connect to it outside the network using a different internet connection. It succeeds. It also succeeds when I'm in the same network and I go to ftp://192.168.., the server's local IP. Am I supposed to adjust something in the modem or router? Or is this a different problem altogether? BTW I'm using Windows Server 2008 r2 as my server's OS and using IIS for ftp.

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• Linux clients for Exchange (email and) calendar

  - by jplindstrom

  At $work, the official email solution is Outlook on Windows, connected to an Exchange server. That's problematic for people with Linux on their desktop machine. The Exchange server supports IMAP, and e-mail works fairly well using the usual suspects, e.g. Thunderbird. It also provides the web mail interface, which is fairly crap unless you use IE. (Any other favorite e-mail clients?) The biggest problem is the Outlook Calendar. I still have found no viable Linux client that can replace it. Any recommendations?

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• Linux periodically "losing" ability to connect to server via SSH?

  - by gct

  I know this isn't exactly a programming question, but it popped up in my use of git for programming projects at least. I've got a web server that I use to host my git repos on, but my ubuntu box seems to "lose" the ability to connect to it via SSH. I'll get a "connection refused" error when I try to ssh or use git. Rebooting my local machine will fix the problem, but only temporarily. I can still connect to the web interface just fine, and the problem manifests with other servers as well. I've been working around it by pulling my changes over to my laptop and pushing from there, but that's sub-optimal as you can imagine. Has anyone seen something like this? I'd be tempted to say it's some kind of IP caching problem, but I can't connect even using the IP address of the server directly... Running Ubuntu 9.04

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• Can't get port forwarding to work on Ubuntu

  - by Znarkus

  I'm using my home server as NAT/router, which works well. But now I'm trying to forward port 3478, which I can't get to work. eth0 = public interface eth1 = private network $ cat /proc/sys/net/ipv4/conf/eth0/forwarding 1 $ cat /proc/sys/net/ipv4/conf/eth1/forwarding 1 Then to forward port 3478 to 10.0.0.7, I read somewhere that I should run iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 3478 -j DNAT --to-destination 10.0.0.7:3478 iptables -A FORWARD -p tcp -d 10.0.0.7 --dport 3478 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT I also ran ufw allow 3478 But testing port 3478 with http://www.canyouseeme.org/ doesn't work. Any idea what I have done wrong?

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• Why can't I access the WebUI of my DNS-323 NAS after a firmware upgrade?

  - by anonymous2

  Hi Everyone, I just bought a D-Link DNS-323 NAS Enclosure, and have run into a problem. I read that the firmware that had shipped with (1.07) did not support 2TB drives, so I downloaded firmware 1.08. Turned on the device for thwe first time and went straight to the WebUI (everything looked/worked fine) Proceeded with the firmware update, completed successfully. Rebooted and I cannot access the WebUI. I can see the NAS connected via my router interface I can also ping the ip adress assigned, but I cannot access the WebUI or find it via D-Link easy search software. I have tried the factory reset button, but that does not seem to be doing anything, the square blue light just keeps flashing from the moment the unit is powered on, whether I press the reset button or not, and the symptoms remain the same... PS. I did/do not have any drives installed yet. Please help?

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• Is there other usage of Comcast extension cable and splitter?

  - by Tim

  I have an unused Comcast high-speed internet self-install kit from 2006. It has two coils of extension cable, and a splitter, and some screws. The name of the cable is "extension cable" printed on the package. I wonder if that is its actual name? As ethernet cables are always useful, I wonder if the extension cables are totally worthless and should be tossed into a trash can? Or are they usable for some other purposes, or even sellable? Thanks! SVI Digital SV-2G Splitter (5/1000MHz): One interface of the cables: Screws

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• Mac OS X change IP configuration automatically by location (by Wifi network)?

  - by Seppo Sade

  Can Mac OS X be setup to automatically configure its Airport interface with a static IP address when connected to a Wifi network with a certain name, and on all other Wifi networks use DHCP? Currently I'm using the "Locations" feature of the "Network" section in System Preferences to manually switch between two IP address setups. I have a "my static IP" setup, and a default "DHCP" setup. However this requires entering System Preferences to change the Location drop-down each time when switching locations. Can this be automated? Preferably this would be done without third-party software.

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• How to collect figures of traffic used per-host, broken up by time and destination?

  - by Seishun

  We have a relatively small network, all PSs in one subnet. One PC with two NICs and pfSense installed works as a firewall/router. There is an OpenVPN tunnel to a remote location, created as a site-to-site connection to another pfSense box there. I have an assignment to capture, store and show (via a web interface) information on traffic generated (both incoming and outcoming) by each host on our subnet and present it in several views: megabytes per calendar hours / days / months / years (that is, not just "one month back", but "in Dec 2010" and so on); megabytes per destination: VPN to remote location / other destinations / Google Apps servers. I tried the software packages in pfSense that offer traffic montoring - but it seems they don't store the information fixed by months, instead showing the amounts of traffic generated in periods (days/months/etc) calculated from the present moment. I'm also interested in understanding what would be the best way for me to break up traffic by hosts and destinations. I'm open to all suggestions, even if they mean that I will have to understand something new to me.

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