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  • Persistent TCP connection in DMZ

    - by G33kKahuna
    A vendor is requesting to allow persistent tcp (not port 80) connection between a server in the DMZ and the internal network. I don't have much experience with this setting. Can anyone shed some light on disadvantages of allowing persistent connection? Guidance is much apprciated.

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  • graphic error on console

    - by Christian Elsner
    I have Linux on an embedded system. There is no graphic system, but I still have graphic errors. For example, if I type: ifconfig eth2 hw ether 00:0e:8c:d0:59:d2 I see: ifconfig eth hw ether 00:0e:8:2:2 If I type Enter, it accepts the command I typed, so it's just a matter of displaying. Everything is fine, when I log in via SSH. Anyone any ideas, what could be the cause or where to look at? Output of lspci: 00:00.0 Host bridge: Intel Corporation 3100 Chipset Memory I/O Controller Hub 00:00.1 Unassigned class [ff00]: Intel Corporation 3100 DRAM Controller Error Reporting Registers 00:01.0 System peripheral: Intel Corporation 3100 Chipset Enhanced DMA Controller 00:02.0 PCI bridge: Intel Corporation 3100 Chipset PCI Express Port A 00:03.0 PCI bridge: Intel Corporation 3100 Chipset PCI Express Port A1 00:1c.0 PCI bridge: Intel Corporation 631xESB/632xESB/3100 Chipset PCI Express Root Port 1 (rev 01) 00:1c.1 PCI bridge: Intel Corporation 631xESB/632xESB/3100 Chipset PCI Express Root Port 2 (rev 01) 00:1d.0 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #1 (rev 01) 00:1d.1 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #2 (rev 01) 00:1d.7 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset EHCI USB2 Controller (rev 01) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c9) 00:1f.0 ISA bridge: Intel Corporation 631xESB/632xESB/3100 Chipset LPC Interface Controller (rev 01) 00:1f.2 IDE interface: Intel Corporation 631xESB/632xESB/3100 Chipset SATA IDE Controller (rev 01) 00:1f.3 SMBus: Intel Corporation 631xESB/632xESB/3100 Chipset SMBus Controller (rev 01) 02:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection 03:01.0 Network controller: Siemens Nixdorf AG Device 4003 (rev 02) 03:01.1 Unassigned class [ff00]: Siemens Nixdorf AG Device 4003 (rev 02) 03:02.0 Ethernet controller: Siemens Nixdorf AG Device 4047 (rev 01) 03:03.0 Ethernet controller: National Semiconductor Corporation DP83815 (MacPhyter) Ethernet Controller 03:04.0 Unassigned class [ff00]: Siemens Nixdorf AG Device 4057 (rev 01) 04:00.0 PCI bridge: Texas Instruments XIO2000(A)/XIO2200(A) PCI Express-to-PCI Bridge (rev 03) 05:00.0 Ethernet controller: Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] (rev 44) 06:00.0 PCI bridge: Texas Instruments XIO2000(A)/XIO2200(A) PCI Express-to-PCI Bridge (rev 03) 07:00.0 VGA compatible controller: Silicon Motion, Inc. SM720 Lynx3DM (rev c1) 07:01.0 USB Controller: NEC Corporation USB (rev 43) 07:01.1 USB Controller: NEC Corporation USB (rev 43) 07:01.2 USB Controller: NEC Corporation USB 2.0 (rev 04) The whole thing is running on an Intel Core 2 Duo U2500

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  • How Windows Server routes PTP v2 unicast messages?

    - by Bobb
    If my server is placed in PTP v2 enabled network which has grand master clock. And the switch is PTP aware. The server is W2008R2 (soon to be W2012). I also have PTP v2 software client. How does the master clock messages are getting on with Windows Server? Does it need special PTP-aware NIC or it will be treated as normal networking traffic and the software receives it through regular NIC no problem?

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  • Symantec Gateway Security 320 VPN/Port Forwarding trouble

    - by Owl
    How do I check to see if port forward is enabled with one of my dynamic tunnels on this device? I'm having trouble using a feature in our software that requires a vpn to be used. My firewalls shows it as connected but I'm unable to ping the subnet ip. Our software vendor told me that port forwarding might be causing this problem, but I didn't set up this network I'm on and I don't fully know symantec hardware.

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  • How to configure ASP.NET MVC 3 on IIS 6 (Windows 2003 R2)

    - by Nedcode
    I am getting 403 Directory Listing Denied for the root and 404 for an action that I know should exist. Background: I have build and deployed an ASP.NET MVC 2 applcation a long time ago. Later I upgraded it to MVC 3 and it is still working with not configuration changes. Setting it up on a windows 2003 R2 (Standard) initialy was a pain, but after a couple of days(yes, days) struggling it started working. Now I have to do the same with the same application on a different server (2003 R2 Standard again) on a different network. .Net 4 is installed and allowed ASP.NET MVC 3 is also installed By default IIS is set to use .net 4 I verify aspnet_isapi.dll used in application extension are from version 4.0.30319 .NET asemblies folder. I also added the wildcard mapping to aspnet_isapi.dll and unchecked verify file exists. Under Directory Security in Authentication Methods I have disabled anonymos access and enabled Integrated Windows authentication(same as the one on the server that it works) I have copied the same web.config with the <authentication mode="Windows" /> <authorization> <deny users="?" /> </authorization> I have set Read & Execute, List Folder Contents, and Read for the Networkservice account(under which the app pool is working). Also I have set the same for Network account, IIS_WPG, ASPNET and IUSR_MAchineName. I do not have an EnableExte??nsionlessUrls but even if I create it and set it to true or false it does not help. I also tried http://haacked.com/archive/2010/12/22/asp-net-mvc-3-extensionless-urls-on-iis-6.aspx and it did not help. But I kept getting 403 Directory Listing Denied for the root and 404 for an action that I know should exist. Web Platform installer was then used to re-install and possibly update .net, asp.net etc. I then noticed IIS was reset to default. So I added the wildcard mapping again. No, luck still 403. I exported configuration files from the working server setup and created new default app pool and new default website using those configurations. Still I get 403 Directory Listing Denied for the / and 404 for any action I try.

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  • how to install debian from a rescue cd (via ssh)

    - by tommy
    situation: server with RAID 1 (2x1000GB) currently logged in via SSH (network based debian rescue cd) need to accomplish: install a debian based Xen (maybe with: http://wiki.xen.org/xenwiki/LiveCD ?) keep RAID 1 problem: I have no physical access to the server, so i can't just drop in a cd or plug-in a usb drive. Does anyone have an ideas (or a tutorial handy) on how I can mount the LiveCD (on a read-only rescue-cd??) and the install the distru without breaking the RAID?

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  • Change localadmin on workstations

    - by ICTdesk.net
    We have scanned our domain and there are just a couple of PC's where an user is localadmin (this was enabled in the past for a certain application/installation). We need to disable this now. Is there a way to do this remotely? OS: windows XP clients in network / domain environment

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  • how to setup kismet.conf on Ubuntu

    - by Registered User
    I installed Kismet on my Ubuntu 10.04 machine as apt-get install kismet every thing seems to work fine. but when I launch it I see following error kismet Launching kismet_server: //usr/bin/kismet_server Suid priv-dropping disabled. This may not be secure. No specific sources given to be enabled, all will be enabled. Non-RFMon VAPs will be destroyed on multi-vap interfaces (ie, madwifi-ng) Enabling channel hopping. Enabling channel splitting. NOTICE: Disabling channel hopping, no enabled sources are able to change channel. Source 0 (addme): Opening none source interface none... FATAL: Please configure at least one packet source. Kismet will not function if no packet sources are defined in kismet.conf or on the command line. Please read the README for more information about configuring Kismet. Kismet exiting. Done. I followed this guide http://www.ubuntugeek.com/kismet-an-802-11-wireless-network-detector-sniffer-and-intrusion-detection-system.html#more-1776 how ever in kismet.conf I am not clear with following line source=none,none,addme as to what should I change this to. lspci -vnn shows 0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g [14e4:4315] (rev 01) Subsystem: Dell Device [1028:000c] Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at f69fc000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [58] Vendor Specific Information <?> Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [d0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting <?> Capabilities: [13c] Virtual Channel <?> Capabilities: [160] Device Serial Number Capabilities: [16c] Power Budgeting <?> Kernel driver in use: wl Kernel modules: wl, ssb and iwconfig shows lo no wireless extensions. eth0 no wireless extensions. eth1 IEEE 802.11bg ESSID:"WIKUCD" Mode:Managed Frequency:2.462 GHz Access Point: <00:43:92:21:H5:09> Bit Rate=11 Mb/s Tx-Power:24 dBm Retry min limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Managementmode:All packets received Link Quality=1/5 Signal level=-81 dBm Noise level=-90 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:169 Invalid misc:0 Missed beacon:0 So what should I be putting in place of source=none,none,addme with output I mentioned above ?

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  • How to protect myself from promiscuous mode?

    - by Rivari
    I have read that some network adapters can switch to promiscuous mode and get all the packets sent by my router. We have multiple computers here connected to the same router. They all have the WEP key for authentification. So basicaly, this means that anyone of them, using the promiscuous mode, can see all the packets destined to others computers? That's frightening. How can I prevent this?

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  • Windows: View "all" permissions of a specific user or group

    - by peterchen
    For a Windows domain, is there a way to see for a certain user or group, where the user/group has permissions? Primarily: List which files / folders the user can access on a certain network share. (Kind of a recursive "effective permissions") However, other permissions would be cool as well. I believe I've seen such a tool in action, but I can't remember anything beyond that - so this might be a false memory. Recommendations?

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  • Default Critique branch office setup: VPNTunnel->HQ, subnets for VOIP/PC, + several Q's

    - by CHickenTaragon
    We're setting up a new branch office. * ~10 users. * Each user has a VOIP phone provided by a hosted solution. * Users need access to resources on HQ (located in another state), so setting up VPN tunnel * HQ only supports certain Cisco/Juniper devices. VOIP provider only supports SonicWall, so current plan is to have two routers w/ separate subnets for VOIP vs. PC traffic. * PC's will plug into pass-thru Ethernet jacks on the VOIP phones, but the phones vs. PC's will point to different subnets. * Cable Modem is 50Mbps / 5Mbps DOCSIS 3.0 business line w/ 5 static IP's. * Each of the 2 subnets will map to one of the 5 public IP's. * May or may not also need to support a VPN tunnel with a second branch office because of a file server they have there that some in the new office use. I'm pushing to have them move the files to a server on the HQ's network so we don't have to worry about setting up an additional tunnel. Questions: Do you foresee any issues with the below set-up? Router recommendations by HQ IT staff: Cisco Router 2811, or Juniper SSG5 or SSG20. Any recommendations about these routers? We need Wi-Fi too – looks like the above routers have models that support this, any reason not to use this? Users need to be able to work from home. If so, how is authentication handled? Right now we use AD credentials for the HQ's domain, but we currently don't plan to have an AD system in the new location since it's only 10 users. We can't tie the authentication system from the new location's router to the AD system of the HQ. All the PC's that will be in the new location are currently in the existing office that is closing down, and are already joined to the domain of the HQ. Please confirm: this + the VPN tunnel will be sufficient for them to connect to authenticated resources on the HQ's network from the new location, correct? Mainly SQL servers and file servers, and a few remote desktop sessions. I'm sure I'll have some more questions, but can't think of them right now.

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  • wireless ethernet adapter with EAP-PEAP?

    - by Joseph
    We have a wireless network set up to support WPA or WPA2 with AES or TKIP encryption and EAP-PEAP authentication. Users are wanting to connect devices that don't have the ability to do EAP-PEAP but have ethernet ports. I have found a wireless printer server that can do this, but I have yet to find a wireless ethernet adapter that can. Has anyone seen one with this ability?

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  • How to stop computer waking up from sleep when LAN connected.

    - by jmatthias
    I have a Compaq desktop machine that wakes up from sleep only when the LAN cable is connected to it. The WOL feature is DISABLED in the BIOS, so why does it keep waking up? And why is it getting told to wake up? I was under the impression that an application or service has to specifically send a message to the machine in order to wake it up but I am not aware of any software on my network that would do this.

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  • Documenting Client Infrastructure

    - by Richard B
    Working on a new project, and need some documentation advice. I need to be able to document ~ 400 client sites to track assets, setup, hardware layout, network layout, etc. We want to have photos, maps, etc. wherever possible. We need this for a call center environment. Has anyone found any off the shelf software that performs this functionality, or are we on our own to develop the tools that we require?

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  • Wiki/CMS with synchronization?

    - by Clinton Blackmore
    We're looking into putting up a wiki or CMS for internal use by our IT department. One of the big things we want to use it for is disaster recovery procedures. Given that a disaster, such as a power or network outage, might render the wiki inaccessible, it seems sensible to to host the wiki in two places so that if one is inaccessible, we can fall back to the other. Are there any wikis or CMSes that synchronize (or an alternate way to achieve a similar end)?

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  • Use same url externally as internally

    - by Nifle
    If I have a web server on my home network I can connect to it from work with http://my.external.ip/whatever/ (assuming NAT and forwarding). Naturally I have a bookmark in my browser that points to http://my.external.ip/whatever/ however when I use that bookmark on my home computer (also behind NAT) the link does not work because my firewall blocks it. (firewall is a old'ish Dlink) What is the best way to fix this issue?

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  • Sort-of Software Raid-1 on windows?

    - by ricardowong
    I have 2 windows vista computers on a lan, can i set them up with a program so that they replicate the data written in one partition to another and the other way around. basically replicating data across 2 partitions whenever each is modified. Making that data is available on the network when either of the computers are turned on, when both are, data is synchronized. Is this posible?

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  • Backing up my xcode projects

    - by thelearner
    What is the best way of ensuring my xcode projects are backed up. I am new to Mac and I see there is a timemachine programme, but isn't that for all files? I just want to make sure my xcode files are backed up on a network drive because this is for work not pleasure. The rest of team uses TFS and CVS etc.

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  • OAS log files filling up hard drive

    - by Andrew Hampton
    We've had issues with log files for Oracle Application Server filling up the hard drive on our server. The files are in the /network/admin folder and are named server.log_XXXXX.trc and client.log_XXXXX.trc where XXXXX are 5 digits. The files are typically anywhere from 1-2MB in size but can be up to 100MB and thousands of them are created at a rate of about 5-10 per minute. Does anyone know how to disable these logs? Thanks!

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  • Net send question

    - by somacore
    I'm on a work laptop. If I do a 'net send' to all computers on the domain while not VPN'd into the network, and it says it's successful, one of the following is true: It failed, but thinks it's successful, and it won't send anything. It failed, but it will send next time it's on the work domain. I know I was off the domain when I sent it (I made sure of that first). What will happen?

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  • Firefox can't establish a connection to the server at www.google.com

    - by Tom
    My home page in Firefox [v4.0] and Internet Explorer [v9.0.8112.16421, Update Versions RTM (KB982861)] is currently set to Google but when I depress the quick start icon to start up either browser, I am getting the following immediate results: Unable to connect (In Firefox) Firefox can't establish a connection to the server at www.google.com. The site could be temporarily unavailable or too busy. Try again in a few moments. If you are unable to load any pages, check your computer's network connection. If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. Internet Explorer cannot display the webpage What you can try: Diagnose Connection Problems More information This problem can be caused by a variety of issues, including: Internet connectivity has been lost. The website is temporarily unavailable. The Domain Name Server (DNS) is not reachable. The Domain Name Server (DNS) does not have a listing for the website's domain. There might be a typing error in the address. If this is an HTTPS (secure) address, click Tools, click Internet Options, click Advanced, and check to be sure the SSL and TLS protocols are enabled under the security section. For offline users You can still view subscribed feeds and some recently viewed webpages. To view subscribed feeds: Click the Favorites button , click Feeds, and then click the feed you want to view. To view recently visited webpages (might not work on all pages): Press Alt, click File, and then click Work Offline. Click the Favorites button, click History, and then click the page you want to view. Thankfully, I am able to use one browser that I have installed on my computer (Mathon v3.0.20.5000) to search online for technical assistance in this matter. I have seen several WinSock error issues mentioned; but, they are pointing to Windows XP and I am using Windows 7 Pro and remain uncertain whether anything identified as a fix for one OS will work in another. Things I've tried: HiJackThis Complete scan with Avira AntiVirus Premium. What am I overlooking? What should I do to address this problem?

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  • Windows 7 Reinstalling Hardware - How...?

    - by Ative
    I wanted to install a new driver for my Wireless Network Card but Windows 7 reported the driver was up to date. So I decided to uninstall the driver. That seemed to do more than I expected... My WiFi card no longer shows up on the computer. Nothing in Device Manager. I have no idea how to get it back. How can I get Windows to find the device? :/

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  • How to make new copied file always 777 permission

    - by Master
    I have one Linux ext3 partition shared on network. Now when some one copy files from MAc , then other people can't change the file dute to permission problem. Is there any way that ane new file which is copied will always have 777 permission and some specific user as owner of file not the default user thanks

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