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• Security tips for adding wireless AP to domain network?

  - by Cy

  I am researching best-practices for adding wireless to our existing domain network. My DHCP server is running Windows Server 03 Standard (not sure if thats useful). I am familiar with simple home networking but I thought I'd get some expert advice for the more advanced stuff. Any tips and / or best-practices? Is this Cisco Wireless Access Point a good option? Are there any additional hardware recommendations? Thank you in advance for your help.

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• Advise on a 240,000 sqft outdoor wireless network

  - by whlspacedude

  I would be very appreciative of some advice in the purchase of equipment to provide a wireless network that covers the entire area of an outdoor arena. The area is rectangular-ish in shape. 400ft wide and 600ft long. It has 6 light towers, 1 on each of the 400 foot ends and 2 on each of the 600 foot ends. I can mount on anything and spend as much money as needed. The needs of the network would be to provide access for, up to 15 wireless HD cameras with audio, and a public-wifi network. Can someone point me in the right direction as far as equipment and antennas ? I can provide any additional information that you may need.

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• Speed up file access on home network

  - by kurasa

  I have 2 PCs (Windows 7 Ultimate) and a Mac running Windows 7 using vmware fusion on my home network tied together using WRN1000 NETGEAR Router On one of the PC's I have a set of file (MYOB .myo). These use a data source to access the data in the files. Operations (reading,writing) to the .myo on the PC which hosts the files is fine but the other 2 it is painfully slow/unreliable and I am wondering what I can do to speed this up. Some ideas I have are 1. Turn off the Windows firewall on all the windows installations on the home network 2. Buy another router. Specifically a router which I can connect a USB flash drive on the back where I can put the .myo files and all the PC can access the files from the USB flash drive on the router (does this speed things up?) Any advice greatly appreciated on how I can speed up this access to data

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• How do I configure Shrewsoft's VPN client to only route traffic to a certain IP address through the VPN?

  - by dommer

  We're using Shrewsoft's VPN client to connect to a third party development server. However, it seems to be configured to send all or nothing through the VPN. The devs have to disconnect from the VPN to get email/internet access back. The server that needs to be accessed via the VPN is on a specific (local - 10.x.x.x) IP address and a specific ports. Can we configure the Shrewsoft client application to only route traffic to that one address and/or port through the VPN and to route anything else though the usual channels? If so, how is it done? I'm not a VPN specialist and the options are confusing. In the absence of any Shewsoft VPN client specific advice, what should I be search for? Split tunnels?

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• Outlook Prompting for password from Exchange server in domain environment

  - by jherlitz

  We are running exchange 2007 in a domain environment. We have mostly outlook 2003 clients, but in process of upgrading to outlook 07 over the next couple of weeks. Some users (both 03 & 07) are constantly getting prompted to enter their credentials. The 07 client I was working on this morning states "needs password" in the bottom right corner. It is also speratic, as it will work fine most days but not some other days. The user I was working with this morning, has been working fine. Now it just started up today. I have been googling this, and have found lot's of information, but nothing that has helped yet. A lot of the information out there is for outlook users using a external email account. Being they already logged into the domain, these users should not be prompted for their credentials. Any advice out there?

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• Computer not working, motherboard is suspect

  - by Arlen Beiler

  I have a problem with my computer. I have a GeForce 6100 M9 Motherboard, which I suspect is broke. The capacitors beside the CPU are corroded and the computer doesn't do anything except start the fans when I push the power button. The problem is that I can't find another motherboard as they apparently don't sell this model anymore. I have tested the Power Supply and it appears to be working. Any advice would be appreciated. Different forums have mentioned that you can replace the capacitors. Any help on this would be appreciated.

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• dd-wrt switch for PfSense

  - by Kmao

  I currently have eth2 on my pfsense set up, and configured as 192.168.1.1, it has dhcp setup with allocation being 192.168.1.10 - 192.168.1.245. On my dd-wrt box, i disabled the WAN, and set it to act as a port for the switch. I disabled dhcp, dnsmasq, spi firewall, Wlan0 and set a static IP for the router being 192.168.1.10 Pfsense is plugged into lan0 and pc plugged into lan1 (wan port is empty) I have followed a few different guides, but i can't seem to get my router to act as a switch. Anyone have success using DD-WRT as a switch while using pfsense as your dhcp/dns/gateway. Any advice would help :)

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• Gmail outage only on one computer

  - by user123079

  Problem: Gmail (and only Gmail) quits working for a period of 5-10 mins only on one computer. Problem occurs several times daily Does not appear to be any "triggering event" - user is simply using Gmail normally when the problem arises User can access their Gmail from other computers on same LAN User can access all other sites, including other Google sites, from affected computer After several mins of outage, Gmail will spontaneously resume normal operation on affected computer The problem occurs in all browsers (Chrome, FF, Safari) Computer: MacBook Pro, OSX 10.7.3, latest browsers I find this very baffling. Any advice welcome.

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• Deleted one membership table. Possible to import without breaking relationship?

  - by superexsl

  Hey, I hope this isn't going to be tricky/time consuming, so fingers crossed. I'm working with the ASP.NET membership table. However, I've got quite a few other tables that I've built, and most of them have a relationship with the dbo.aspnet_Membership table. I've accidentally deleted the dbo.aspnet_Membership table and can't get it back. There was no major data on it, (as it's on my local machine), but I would really like to copy and paste that one table from another database I have, mainly for the sake of not breaking the schema. Is this possible? I'm worried if I run the Aspnet_regsql.exe tool, it's going to break the schema and remove all data from the tables as well the relationships (which would take a while to re-establish). Is there any way I can import just the dbo.aspnet_Membership table into my current database? Thanks for the any advice!

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• PHP short_open_tag Won't Enable (CentOS 6)

  - by brack

  I'm setting up an Apache2, PHP 5.3.3 server running on CentOS 6. My web application uses the short tags <? and <?=. I can't seem to get the short tags enabled. When I run phpinfo() I see short_open_tag = off, however in /etc/php.ini I have this: short_open_tag = on (and yes I've restarted the server). I've also tried using <?php ini_set('short_open_tag','1'); ?> at the start of a page and it still doesn't parse code in short tags. The only thing I can think of is there's another php.ini file somewhere that is being used instead of, or overriding the one at /etc/php.ini. Any advice?

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• My server appears to have been hacked+ scanssh run by zabbix is it normal?

  - by Niro

  I'm running a few EC2/Scalr instances with zabbix monitoring. I received complaints about one of my servers port scanning other servers. the logs show it is accessing port 22 on consecutive IP addresses. I looked at the processes list and saw scanssh is running under the user Zabbix. My question is- Is scanssh part of zabbix? Is it suppesd to run? I have active autodiscovery on zabbix but it is looking at another IP addresses and definately not port 20. Is it possible that something in the config of zabbix agent is controlling it and not the settings on zabbix server? What can I do to find out if zabbix is somehow misbehaving or it is a hacker? Any advice is highly appreciated.

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• Unable to connect to Cygwin from Mac OS X by ssh

  - by skyjack

  I've started ssh server on Windows 7 using Cywgin and I'm trying to connect to it by ssh from Mac OS X Mavericks. It fails with next error: ./ssh username@hostname -v OpenSSH_6.6, OpenSSL 1.0.1g 7 Apr 2014 debug1: Reading configuration data /usr/local/etc/ssh/ssh_config debug1: Connecting to hostname [my ip] port 22. debug1: Connection established. debug1: identity file /Users/skyjack/.ssh/id_rsa type -1 debug1: identity file /Users/skyjack/.ssh/id_rsa-cert type -1 debug1: identity file /Users/skyjack/.ssh/id_dsa type -1 debug1: identity file /Users/skyjack/.ssh/id_dsa-cert type -1 debug1: identity file /Users/skyjack/.ssh/id_ecdsa type -1 debug1: identity file /Users/skyjack/.ssh/id_ecdsa-cert type -1 debug1: identity file /Users/skyjack/.ssh/id_ed25519 type -1 debug1: identity file /Users/skyjack/.ssh/id_ed25519-cert type -1 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.6 ssh_exchange_identification: read: Connection reset by peer Meanwhile I can connect successfully from Red Hat. OpenSSH version on Cygwin: OpenSSH_6.4p1, OpenSSL 1.0.1f 6 Jan 2014 OpenSSH version on MAC OS X: OpenSSH_6.6p1, OpenSSL 1.0.1g 7 Apr 2014 Please advice.

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• Cannot start Xampp on server with IIS

  - by Vafello

  I am running a Windows Server 2003 with IIS and I am trying to install XAMPP in order to be able to run php and mysql based pages. I tried to install php on IIS, but it is too complicated and time consuming for me. I am able to run asp on localhost/ and I would like to run php websites on different port, say localhost:81/. After installing xampp and changing the port in httpd.conf file to 81 I try to turn on apache, but it turns off after about 5 seconds. Mysql works fine. It seems that there is a port clash, but I do not know how to change the ports and turn the apache permanently. Any advice appreciated. (I know it is more a server fault question, however I posted it there as well and did not get any reply, so I decided to try here)

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• How to make the jump from consumer support to enterprise support?

  - by Zac Cramer

  I am currently a high level consumer break/fix technician responsible for about 300-400 repairs a month. I am good at my job, but bored, and I want to move into the enterprise side of my company, dealing with Server 2008 R2 and exchange and switches and routers that cost more than I make in a month. How do I make this transition? Whats the best thing to learn first? Is there a standard trajectory for making this leap from consumer to business? I am full time employed, so going back to school is not a great option, but I have no life, so spending my nights and weekends reading and practicing is totally within my realm. I am basically overwhelmed by the number of things to learn, and looking for any advice you may have on the best way to proceed. PS - I apologize if this is a not quite the right forum for this, I know its not a technical question exactly, but I also know the sorts of people I want to answer this question are reading this website.

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• Spam just keeps on coming

  - by Campo

  I administer a Windows Server 2003 with Exchange 2003 as well as GFI installed. I am watching the GFI dashboard and every third email is spam. Not only that it goes to a non existent address then the [email protected] sends out an NDR to the sender. Should I be worried about this? I know it is directory harvesting but we have directory harvesting turned on in GFI and I do see it is working but obviously doesn't work for emails that don't exist. My issue is I would turn off NDR but then people who legitimately mistype and email address to our domain will never know their email did not get to the recipient. What do others do to combat spam? Is 3 times the amount of spam to ham normal? We filter out 90% of the spam but some does get into the users inbox. Thanks for the suggestions and advice!

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• Having Troubles Getting My Apache Server Online(NodeJS and Apache)

  - by Jeff Armingol

  I am new here. This is my situation. I am using nodejs modules, serialport2 and socket.io, because I am trying to forward the data from my arduino hardware through serialports. In my server side script, I read the data then forward it to the client side. Now I am using Apache to serve the html page,which is the client side. I am running Nodejs on port 8000 and Apache on port 80. It is running OKAY when I view it in my browser typing localhost:80. The data is appearing and seems fine. Now when I tried to get my Apache server online using a Free DDNS provider(http://www.noip.com/) and my port80, it loaded the webpage but there are no data appearing on the page. What seems to be the problem here? Really need your expertise and advice. Thanks in advanced!

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• BGP Router reccomendations for simple redundancy [closed]

  - by Jona

  We have two sites that each have an internet connection and have a dedicated dark fibre between them. Each site has it's own IP space and we have an AS number. We're looking to be resilient to failure of the internet connection to either site and so need to buy a pair of approriate routers. Requirements are: Able to run 2 bgp sessions (one with the ISP, one with the other site router) Option to take a full table from the upstream ISPs would be nice. Able to provide HA gateways on the LAN side (e.g. 192.168.0.254 will automatically migrate if it's host router lost power) A dedicated device rather than a server running Linux / BSD Not crazy expensive. Any help / advice much appreciated.

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• How difficult will it be to switch DHCP from Windows 2000 to our network router?

  - by MetalSearGolid

  While I know a bit about networking, I am more of a programmer, and I have never set up a DHCP server. I have always allowed a router to assign IP addresses. However, my boss has asked me to switch out our old Win2k Domain Controller and DHCP server to a new server. The catch is that he wants to just use our router to assign IP addresses rather than have the new server do it. Is this going to be more than just disconnecting the old server? And if so, are there any documents or tips anyone can help me to make the transition a bit smoother? The new server will most likely have Windows Server 2008 R2. Any advice I can get on this matter would be greatly appreciated.

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• Network email alerts

  - by stephenfalken

  I would like to buy or d/l an application that will alert our sysadmin in the event of network failure, like via email and/or phone call. I've looked around the net before posting this question, but I have one main concern: if our network goes down, how can a network monitoring application send email to alert us that it's down? Doesn't this have to be an external application that looks at our network from outside? Well anyway, I want to find something that will handle this for us - freeware if possible, sice we're not looking for heavy analysis - just simple alerts. Advice is appreciated.

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• Stress test a server for simultaneous connection

  - by weston smith

  I am trying to figure out a practical way to stress test a server for 300 to 600 simultaneous connections. Any advice? Thank you everyone for the help. To be more specific (sorry I wasn't before) this is a Flash Media Server on AWS that will be streaming live video. I've been having problems with the video freezing/buffering for everyone and I need to verify if its on the user end, upload end, or server end. I mainly need help with stress testing the server with 300-600 multiple request before going live.

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• Upgrading from php 5.3 to php 5.4 with Macport

  - by dr.stonyhills

  PHP5.4 has been available for sometime now and Macport recently caught up with the release of port php54 but the process of upgrading is not as clear as possible. Even worst for those who are new to maintaining multiple versions of PHP on the same machine. I am keen on trying out some of the new features in PHP5.4 like traits, new array form etc but falling back on to php5.3 for other compatibility stuff. So i sudo port install php5+ (all the variants, apache2 etc) Then i tell it what PHP port to use as default sudo port select --set php php54 Check what version of PHP is active in the terminal using php -v outputs php 5.4.3. But i seem to be having issues with choosing the right non cli version as in the version of the module run by apache etc is still php5.3.12. Do i have to change the reference to the libphp5 in apache httpd.conf? Any advice on the right workflow for switching between php version on macport greatly appreciated!

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• what constitutes out-of-band access to a server?

  - by broiyan

  The first time I access my server with a new installation of Filezilla or Putty, I will get prompted that I should continue only if the RSA key shown to me is correct. The cloud provider has advice on their website that I ought to use their AJAX console to get a key out-of-band with which to compare to the one shown by Filezilla. The AJAX console is launched from a link on the cloud provider's website which requires a login. Exactly how is this AJAX console considered to be out-of-band when it obviously is not a form of physical access to the server?

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• How do I negotiate for colo space?

  - by randy melder

  I guess this isn't a technical question, but it definitely is something IT teams deal with, so here goes: I'm looking at getting a rack at a local colocation facility. I'm weighing the options versus building out in a cloud platform. We are REALLY low bandwidth and power. There's a total of six hosts for the total operation. You can assume we use <= 10 amps of power and <= 2Mbps 95th percentile. Do you have any advice for getting the best deal?

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• Programs still opening websites through Google Chrome, despite its removal

  - by Russsell Feldman

  Even after I've uninstalled Google Chrome, when other programs want to open a website (e.g.: Yahoo! Messenger getting a profile) they will still attempt to do so through Chrome, and fail looking for it. I've read all the advice on how to make Firefox or IE for Windows 7 the default browser. I don't think Google would do this sort of "hijack the default browser" thing and I'm convinced it must be a trojan or virus or even a registry hack. If so, any ideas on how I would go about fixing this without purchasing every virus/trojan program until it was removed? That method could be an expensive fix.

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• Outlook items suddenly disapears from inbox after synchronization

  - by Jan Šotola

  We had some disk problems on Exchange server. We had to fix the Exchange 2007 using eseutil. Everything works fine excpet of following problem with one e-mail account: All inbox messages of mentioned e-mail account are fully accessible through the OWA. When any user creates new Outlook profile (using .OST mode) and starts synchronizing, all inbox messages are visible in the Outlook's inbox folder untill the Inbox synchronizing is completed. Once the synchronizing progress bar reaches 100% (and the Outlook starts synchronizing Sent items or another folder), most of messages disappears from the inbox view of the Outlook. The .OST file size does not reduce. New mails (delivered after Exchange server crash) remains all in the inbox. There is no special view or filter applied in the Outlook. The problem has been reproduced on two different computers (Vista+Office2007, Win7+Office2010). We assume there is some problem on the Exchange server but we don't know how to fix it. Can anybody give us some advice?

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