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  • starting dhcpd failed (Centos)

    - by tike
    i have a issue related to dhcp i have configured my dhcp according to my ip and all ... but it fails. when i try to start the service... i tried to trouble shoot and i stopped the firewall (iptables) i disabled selinux. is there any other area i need to consider.. is there anything that stops dhcpd service to start from.

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  • 4.5.1 4.4.0 DNS Query Failed

    - by Justin
    We are running Exchange 2010 and lately I have noticed that some outgoing messages get stuck in the queue with the error "451 4.4.0 DNS Query Failed". On every domain that this happens on I have been able to use nslookup to find the MX record and open a connection to their server over SMTP so I am reasonably sure that this problem is on my end. My send connector isn't routing mail through a smart host nor is is set to use a different DNS server to do the lookup so I'm stumped as to why these messages aren't going out. Any ideas?

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  • 5.5.0 smtp;554 transaction failed spam message not queued

    - by Miguel
    Some users are trying to send email to certain domains using Exchange Server 2003, but the message is always is rejected and the following message is shown: 5.5.0 smtp;554 Transaction Failed Spam Message not queued The IP is not in a black list (checked using http://whatismyipaddress.com/blacklist-check and is clean - not listed). The emails were checked using using smtpdiag ("a troubleshooting tool designed to work directly on a Windows server with IIS/SMTP service enabled or with Exchange Server installed") and the connection using port 25 is ok. Also, an nslookup with set type=ptr shows (names and IP changed, "" means I typed something): C:\Documents and Settings\administrator>nslookup Default Server: publicdns.isp.net Address: 10.10.10.10 > server publicdns.isp.net Default Server: publicdns.isp.net Address: 10.10.10.10 > set type=ptr >mydomain.com Server: publicdns.isp.net Address: 10.10.10.10 mydomain.com primary name server = publicdns.isp.net responsible mail addr = root.isp.net serial = 2011061301 refresh = 10800 (3 hours) retry = 3600 (1 hour) expire = 604800 (7 days) default TTL = 86400 (1 day) > 20.21.22.23 Server: publicdns.isp.net Address: 10.10.10.10 23.22.21.20.in-addr.arpa name = mail.mydomain.com 20.21.in-addr.arpa nameserver = publicdns.isp.net 20.21.in-addr.arpa nameserver = publicdns2.isp.net publicdns2.isp.net internet address = 10.10.10.11 publicdns.isp.net internet address = 10.10.10.10 Server: publicdns.isp.net Address: 10.10.10.10 23.22.21.20.in-addr.arpa name = mail.mydomain.com 20.21.in-addr.arpa nameserver = publicdns.isp.net 20.21.in-addr.arpa nameserver = publicdns2.isp.net publicdns2.isp.net internet address = 10.10.10.11 publicdns.isp.net internet address = 10.10.10.10 > set type=mx > mydomain.com Server: publicdns.isp.net Address: 10.10.10.10 mydomain.com MX preference = 10, mail exchanger = mail.mydomain.com mydomain.com nameserver = publicdns.isp.net mydomain.com nameserver = publicdns2.isp.net mail.mydomain.com internet address = 20.21.22.23 publicdns2.isp.net internet address = 10.10.10.11 publicdns.isp.net internet address = 10.10.10.10 > set type=a > mydomain.com Server: publicdns.isp.net Address: 10.10.10.10 Nombre: mydomain.com Address: 20.21.22.23 When I test the spf record with http://www.mxtoolbox.com it shows: TXT mydomain.com 24 hrs v=spf1 a mx ptr ip4:20.21.22.23 mx:mail.mydomain.com -all Any clues of what's happening here?

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  • PXE Boot Fedora 17 Error

    - by DrifterDave
    When trying to boot into the latest Fedora 17 cd via PXE, I am presented with the following error: PXE dracut: fatal: no or empty root= argument So, I added a root= line to my fedora menu entry (shown below), but receive the following error: dracut Warning: Unable to process initqueue Any assistance would be greatly appreciated. Fedora.menu LABEL 1 MENU LABEL fedora 17 (32-bit) KERNEL fedora/17/i386/vmlinuz0 APPEND method=nfs:192.168.1.101:/srv/install/fedora/17/i386/ lang=us keymap=us ip=dhcp ksdevice=eth1 noipv6 root=/dev/ram0 initrd=fedora/17/i386/initrd0.img ramdisk_size=10000 TEXT HELP Install Fedora 17 (32-bit) ENDTEXT

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  • network design to segregate public and staff

    - by barb
    My current setup has: a pfsense firewall with 4 NICs and potential for a 5th 1 48 port 3com switch, 1 24 port HP switch, willing to purchase more subnet 1) edge (Windows Server 2003 for vpn through routing and remote access) and subnet 2) LAN with one WS2003 domain controller/dns/wins etc., one WS2008 file server, one WS2003 running Vipre anti-virus and Time Limit Manager which controls client computer use, and about 50 pcs I am looking for a network design for separating clients and staff. I could do two totally isolated subnets, but I'm wondering if there is anything in between so that staff and clients could share some resources such as printers and anti-virus servers, staff could access client resources, but not vice versa. I guess what I'm asking is can you configure subnets and/or vlans like this: 1)edge for vpn 2)services available to all other internal networks 3)staff which can access services and clients 4)clients which can access services but not staff By access/non-access, I mean stronger separation than domain usernames and passwords.

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  • SBS domain name choice

    - by sandymac
    We are about to set up SBS 2011 at my small company < 10 users. My collaborator wants to name the SBS domain "example.local" . I'm of the opinion we should name the SBS domain "corp.example.com" and setup DNS so the "corp" record is a NS record to the SBS server's private IP. FYI: "Example.com" isn't the real domain name and while the website is hosted outside our office, email will be stored on the SBS server in our office after passing though a spam filtering smart host hosted elsewhere too.

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  • Adding Facebook IPv6 to Centos, getting CurlException 7

    - by Nick
    I'm correctly get following error. After searching about this issue, correct me if i'm wrong, I believe that adding/configuring IPv6 should solve the problem. PHP Fatal error: Uncaught CurlException: 7: Failed to connect to 2a03:2880:10:8f02:face:b00c:0:26: Network is unreachable\n thrown in /var/www/vhosts/facedex.net/httpdocs/fb/apps/seemyfuture/src/base_facebook.php on line 886 The problem is I dont know the right way to add it. There seems to have may methods. http://tldp.org/HOWTO/Linux+IPv6-HOWTO/x1035.html#AEN1044 http://unix.stackexchange.com/questions/34093/static-ipv4-ipv6-configuration-on-centos-6-2 My netstat show this. Shell doesnt recogize -rn6 though.It shows invalid option -- 6 netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 27.254.38.128 0.0.0.0 255.255.255.128 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 0.0.0.0 27.254.38.254 0.0.0.0 UG 0 0 0 eth0 FYI: I'm using Centos 5.7. Thank you a lot in advance.

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  • 2 VB Scripts one to remove Default Gateway and one to add a Default Gateway

    - by Tom
    Hello everyone, I have a client with a bunch of children using about 30 machines on a regular basis. All machines that the children user are set with Static IP Addresses. The machines that the kids use, I would like to be able to run a script that will remove the default gateway so they cant get to the Internet. Then I need another that will add the Default gateway, so Windows and software updates can be run. Both scripts need to use the domain admin account for permissions Any help would be greatly appreciated

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  • How to ping virtualbox guest machine by hostname?

    - by Punit Soni
    Here is the summary. VirtualBox 4.2.18 Host OS: Windows 7 Guest OS: Ubuntu 12.04 Networking: Bridged Adaptor I can ping Host and other machines in host's network from ubuntu guest using hostnames. But, I can only ping the guest machine using IP address from host and network machines. I have avahi-daemon running on Guest OS. I want to be able to ping/ssh the guest machine from host and other machines on network using hostname of the guest machine. Please help.

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  • Too many connections to 212.192.255.240

    - by Castor
    Recently, my Internet slowed down drastically. I downloaded a tool to see the TCP/IP connections from my Vista computer. I found out that a lot TCP/IP connections are being connected to 212.192.255.240 through SVCHost. It seems that it is trying to connect to different ports. I think that my computer is being infected with some kind of malware etc. But I am not sure how to get rid of it. I did a little bit of research on this IP but found nothing. Any suggestions are highly appreciated. UPDATE: This is the HiJackThis log file and I can't find any thing weird. Also, the program is also trying to create connections to 91.205.127.63, which is also from Russia. Logfile of Trend Micro HijackThis v2.0.4 Scan saved at 18:20:54 PM, on 4/29/2010 Platform: Windows Vista SP2 (WinNT 6.00.1906) MSIE: Internet Explorer v8.00 (8.00.6001.18882) Boot mode: Normal Running processes: C:\Windows\SYSTEM32\taskeng.exe C:\Windows\system32\Dwm.exe C:\Windows\SYSTEM32\Taskmgr.exe C:\Windows\explorer.exe C:\Windows\System32\igfxpers.exe C:\Program Files\Alwil Software\Avast4\ashDisp.exe C:\Program Files\Software602\Print2PDF\Print2PDF.exe C:\Windows\system32\igfxsrvc.exe C:\Program Files\VertrigoServ\Vertrigo.exe C:\Program Files\Java\jre6\bin\jusched.exe C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe C:\Windows\system32\wbem\unsecapp.exe C:\Program Files\Windows Media Player\wmpnscfg.exe C:\Program Files\X-NetStat Professional\xns5.exe C:\Program Files\Mozilla Firefox\firefox.exe C:\Program Files\HP\Digital Imaging\smart web printing\hpswp_clipbook.exe C:\Windows\system32\cmd.exe C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 10.0.0.30:8118 R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll F2 - REG:system.ini: Shell=explorer.exe rundll32.exe O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll O2 - BHO: HP Print Enhancer - {0347C33E-8762-4905-BF09-768834316C61} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_printenhancer.dll O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll O2 - BHO: RoboForm BHO - {724d43a9-0d85-11d4-9908-00400523e39a} - C:\Program Files\Siber Systems\AI RoboForm\roboform.dll O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~3\Office12\GRA8E1~1.DLL O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.5.4723.1820\swg.dll O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll O2 - BHO: Google Gears Helper - {E0FEFE40-FBF9-42AE-BA58-794CA7E3FB53} - C:\Program Files\Google\Google Gears\Internet Explorer\0.5.36.0\gears.dll O2 - BHO: SingleInstance Class - {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\YTSingleInstance.dll O2 - BHO: HP Smart BHO Class - {FFFFFFFF-CF4E-4F2B-BDC2-0E72E116A856} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll O3 - Toolbar: &RoboForm - {724d43a0-0d85-11d4-9908-00400523e39a} - C:\Program Files\Siber Systems\AI RoboForm\roboform.dll O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll O4 - HKLM\..\Run: [RtHDVCpl] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe -s O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe O4 - HKLM\..\Run: [Print2PDF Print Monitor] "C:\Program Files\Software602\Print2PDF\Print2PDF.exe" /server O4 - HKLM\..\Run: [VertrigoServ] "C:\Program Files\VertrigoServ\Vertrigo.exe" O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe" O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe" O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe" O4 - HKLM\..\Run: [Google Quick Search Box] "C:\Program Files\Google\Quick Search Box\GoogleQuickSearchBox.exe" /autorun O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe" O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe" O4 - HKCU\..\Run: [CCProxy] C:\CCProxy\CCProxy.exe O4 - HKCU\..\Run: [AlcoholAutomount] "C:\Program Files\Alcohol Soft\Alcohol 120\axcmd.exe" /automount O4 - HKCU\..\Run: [RoboForm] "C:\Program Files\Siber Systems\AI RoboForm\RoboTaskBarIcon.exe" O4 - HKCU\..\Run: [FileHippo.com] "C:\Program Files\filehippo.com\UpdateChecker.exe" /background O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NETWORK SERVICE') O4 - Startup: AutorunsDisabled O4 - Startup: Locate32 Autorun.lnk = C:\Program Files\Locate\Locate32.exe O4 - Startup: OneNote Table Of Contents.onetoc2 O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\Windows\system32\GPhotos.scr/200 O8 - Extra context menu item: Customize Menu - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComCustomizeIEMenu.html O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office14\EXCEL.EXE/3000 O8 - Extra context menu item: Fill Forms - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComFillForms.html O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_96D6FF0C6D236BF8.dll/cmsidewiki.html O8 - Extra context menu item: RoboForm Toolbar - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComShowToolbar.html O8 - Extra context menu item: S&end to OneNote - res://C:\PROGRA~1\MICROS~3\Office14\ONBttnIE.dll/105 O8 - Extra context menu item: Save Forms - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComSavePass.html O9 - Extra button: (no name) - {09C04DA7-5B76-4EBC-BBEE-B25EAC5965F5} - C:\Program Files\Google\Google Gears\Internet Explorer\0.5.36.0\gears.dll O9 - Extra 'Tools' menuitem: &Gears Settings - {09C04DA7-5B76-4EBC-BBEE-B25EAC5965F5} - C:\Program Files\Google\Google Gears\Internet Explorer\0.5.36.0\gears.dll O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll O9 - Extra button: Fill Forms - {320AF880-6646-11D3-ABEE-C5DBF3571F46} - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComFillForms.html O9 - Extra 'Tools' menuitem: Fill Forms - {320AF880-6646-11D3-ABEE-C5DBF3571F46} - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComFillForms.html O9 - Extra button: Save - {320AF880-6646-11D3-ABEE-C5DBF3571F49} - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComSavePass.html O9 - Extra 'Tools' menuitem: Save Forms - {320AF880-6646-11D3-ABEE-C5DBF3571F49} - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComSavePass.html O9 - Extra button: Print2PDF - {5B7027AD-AA6D-40df-8F56-9560F277D2A5} - C:\Program Files\Software602\Print2PDF\Print602.dll O9 - Extra 'Tools' menuitem: Print2PDF - {5B7027AD-AA6D-40df-8F56-9560F277D2A5} - C:\Program Files\Software602\Print2PDF\Print602.dll O9 - Extra button: RoboForm - {724d43aa-0d85-11d4-9908-00400523e39a} - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComShowToolbar.html O9 - Extra 'Tools' menuitem: RoboForm Toolbar - {724d43aa-0d85-11d4-9908-00400523e39a} - file://C:\Program Files\Siber Systems\AI RoboForm\RoboFormComShowToolbar.html O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL O9 - Extra button: Show or hide HP Smart Web Printing - {DDE87865-83C5-48c4-8357-2F5B1AA84522} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll O17 - HKLM\System\CCS\Services\Tcpip\..\{A80AB385-7767-4B5C-AF97-DBD65B29D8D1}: NameServer = 218.248.255.146 218.248.255.212 O17 - HKLM\System\CCS\Services\Tcpip\..\{D10402C1-9CDE-4582-A6B7-6C0D33B0E7BC}: NameServer = 218.248.255.146,218.248.255.212 O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\PROGRA~1\MICROS~3\Office12\GR99D3~1.DLL O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\Windows\system32\browseui.dll O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe O23 - Service: CCProxy - Youngzsoft - C:\CCProxy\CCProxy.exe O23 - Service: Google Update Service (gupdate1c9c328490dac0) (gupdate1c9c328490dac0) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe O23 - Service: Distributed Transaction Coordinator MSDTCwercplsupport (MSDTCwercplsupport) - Unknown owner - C:\Windows\system32\acluiz.exe O23 - Service: Realtek Audio Service (RtkAudioService) - Realtek Semiconductor - C:\Windows\RtkAudioService.exe O23 - Service: StarWind AE Service (StarWindServiceAE) - Rocket Division Software - C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe O23 - Service: SuperProServer - Unknown owner - C:\Windows\spnsrvnt.exe (file missing) O23 - Service: Vertrigo_Apache - Apache Software Foundation - C:\Program Files\VertrigoServ\apache\bin\v_apache.exe O23 - Service: Vertrigo_MySQL - Unknown owner - C:\Program Files\VertrigoServ\mysql\bin\v_mysqld.exe -- End of file - 10965 bytes enter code here enter code here

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  • Home and Small to Medium Enterprise network manufacturer choice, Netgear, Linksys or D-Link ?

    - by Kedare
    (Please don't close this post, it's a serious post so... Be cool, no trolls please, I need an answer ;p) Hello, I am looking for an alternative to Cisco (too expensive for me !) for semi-pro utilization (at home but with advanced feature (I'm studying in IT)) and in small/medium enterprises. I think I will choose between LinkSys (Including Cisco Small Business), Netgear and D-Link, but I've never really used these products, that what I need is a manufacturer that make "almost" all type of networking equipment (Like Cisco but cheaper..), here are my needs : I need almost all my products to be rackable I need a good warranty (Netgear lifetime waranty rulez!) I need an "unified" network environment I made a little comparison of the characteristics that interest me after hours of search on Internet (based on result found on many websites): (Prices are based on the ldlc-pro.com french website) Hotline/Support Quality: Netgear : Not so bad Linksys : Not so bad D-Link : Poor! Most common Warranty: Netgear : Unlimited Lifetime Warranty! Linksys : Limited 3 years warranty D-Link : Limited 5 years warranty (Unlimited in US but I'm on France :(...) VPN protocols compatibles with routers on endpoint mode: Netgear : Only IPSEC :( Linksys : IPSEC, PPTP, L2TP D-Link : IPSEC, PPTP, L2TP Cheaper 8 ports Gb switch : Netgear : 30€ Linksys : 47€ D-Link : 30€ Cheaper 48 ports + 1Gb uplink(s) administrable switch : Netgear : 263€ Linksys : 630€ D-Link : 600€ Cheaper VPN router : Netgear : 100€ Linksys : 80€ D-Link : 60€ Cheaper rackable switch : Netgear : 50€ Linksys : 87€ D-Link : 50€ Cheaper rackable and administrable switch : Netgear : 120€ Linksys : 370€ D-Link : 171€ Netgear and D-Link are in the same range of price, where Linksys is more expensives. I've searched for some other criteria ( the full comparison is here, in french with shop/source links: http://forums.jeuxonline.info/showthread.php?t=1072280 ) and made a final score for each manufacturer : SCORE including IP camera sub-score: Netgear : 6.2/10 Linksys : 7.3/10 D-Link : 7.0/10 SCORE excluding IP camera sub-score: Netgear : 6.9/10 Linksys : 7.0/10 D-Link : 6.7/10 On both case, Linksys wins. So here is my little comparison, but because I've never really used these stuffs, I need your help to make a decision on witch manufacturer choose for both my personnal and corporate use. So here are the questions : What manufacturer do you recommend me (Not cisco (except Small business)) ? Why ? Have you called the call center of the customer support of one of these manufacturer ? How it was ? Did you had problems or bad experiences with these equipments ? Any other advices ? ;) Thank you !

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  • Help with router and spotty wireless...

    - by Moshe
    Time Warner Cable/ Road Runner router shows up some times on the network list on Mac OS X 10.6.3 Snow Leopard. It makes a spotty appearence on the list. The router is a SMC Networks Model # SMC8014WG-SI. The default gateway numbers all do not work. 192.168.0.1 192.168.1.1 192.168.2.1 10.10.10.1 What IP adress am I looking for here to log in to the router to fix the issue?

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  • DNS Round-robin failover and load balancing

    - by Tom O'Connor
    Having read all of the questions and answers (1 2 3 and so on) on here relating to DNS load balancing, and Round-robin DNS, there's still a number of unanswered questions.. Large companies, and I'm looking at Google, Facebook and Twitter here, do present multiple A records. 1) If DNS loadbalancing/failover is so dodgy, why do large organisations do it? There seems to be very little mention of "DNS Pinning", despite this (PDF) paper about it. 2) Why is DNS Pinning so seldom mentioned? 3) Are there any concrete examples of which ISPs and so on actually do rewrite DNS TTLs? That said, I'm not entirely backing the side for using DNS for failover or any form of load balancing. For most networks, BGP diverse routing still seems to be a better fit. DNS rears it's ugly head again. :(

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  • Opensource Dns based incoming Load balancing ?

    - by sahil
    Hi, I am using Linkproof device for incoming load balancing based on which is based on dns. For example my linkprrof have 3 isp link.... it also act as a dns sevrer for my sites...so when someone connect me by using my dns name my linkprrof give them ip from 3 isp which ever is responding fast. so is there any same kind of open source solution for dns based incoming load balance is possible ??? sahil

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  • ECMP Load Balancing in JUNOS

    - by SpacemanSpiff
    I'm trying to figure out how to use ECMP load balancing in JUNOS. I know this isn't the best way to load balance, but its quick and dirty and gets done what I need to. In ScreenOS this was pretty easy. Device: SRX220 JunOS: 10.3R2.11 Here's what I've got so far: routing-options { static { route 0.0.0.0/0 { next-hop [ 1.1.1.1 1.1.1.2 ]; metric 10; } } maximum-paths 2; Will that do it? Tom

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  • How do I install a CentOS 5.5 in Xenserver?

    - by deweller
    When I try to install CentOS 5.5 in a new VM, I get an error that the installer is unable to retrieve stage2.img. I have verified the URL and I am able to download this file from a web browser. I suspect it is a networking/routing issue, but I can't figure out what is wrong. This is a new install of XenServer 5.6 on a new server. This server is remote, so I don't have physical access to the box - only ssh access. Can anyone give me some tips on what might be wrong here? Do I need to do something special to get a net install to work? For what its worth, I see the same error trying to install Debian Woody using a similar process. Thanks.

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  • Server migration

    - by vinayrks
    I have to do a virtual host to another virtual host transfer , Both of them are hosted on Rackspace , OS (Red hat 4 ). client is using this server for hosting more than 10 live sites , lots of files in /var/www. I transferred all files and db from old to new , My questions: what else should I need to worry about ? how to transfer all cron job too? is I need to make entry of each site on httpd.conf or rackspace will do it , during IP swapping ?

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  • Can't connect to DeploymentShare$ from PC attempting to MDT, but can other PCs on the network

    - by Moman10
    I am in the process of setting up MDT and have run across a problem. MDT is installed on a Windows 2012 server, MDT version 6.2.5019.0. Using WDS as well. Active Directory domain, the server is up to date and on the network. I boot up the PC, it gets an address from DHCP, pulls down the LiteTouchPE_x64.wim image and goes into the MS Solution Accelerators screen, the Processing Bootstrap Settings box comes up and processes for a couple of seconds, then goes away, it sits there for another minute or so and then gives the error: A connection to the deployment share (\\Acme-MDT\DeploymentShare$) could not be made. Can not reach the DeployRoot. Possible Cause: Network Routing error or Network Configuration Error." I can then retry or cancel. I have seen this error online but so far nothing that helps fix it, but seems to be an issue with the FQDN. I verified that I am getting an IP address and that I can successfully ping the MDT server if I use the FQDN, but can not just by it's A record of Acme-MDT. I tried manually mapping the network share using net use and it works if I use the FQDN, but it fails with an error code 53, "Network path not found" if I just use the A record of Acme-MDT. Here is the net use command I'm using: net use * \\Acme-MDT\DeploymentShare$ /u:Domain\Administrator It gives the error System Error 53, Network path not found (and doesn't prompt for a password), but if I use the FQDN of \\Acme-MDT.domain.com\DeploymentShare$ it works fine to map the drive. I guess the problem is, when it tries to load the image, it is trying to start from \\Acme-MDT\DeploymentShare$ and I need it to start from \\Acme-MDT.domain.com\DeploymentShare$, but not sure how to get it to do that. I've put the fully qualified path in CustomSettings.ini and bootstrap, updated the deployment share, regenerated the boot image and replaced the boot wim in WDS. Or, if someone has an idea as to why it's acting this way and knows a way around it. The end result is what matters! :) I did verify in DNS that Acme-MDT is there, with the proper IP, and I can successfully use the net use command to map this drive from a couple other computers that are already on the network. I am assuming it has something to do with that computer not already being part of the domain, but I'm honestly at a loss as to how to fix it. Any ideas are appreciated, thanks in advance for your help!

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  • cant find nas mediaplayer on vista

    - by user31016
    i have a icy box ib mp3010hw media player i have it on wireless and have it connected to my tp link wr641g router and can access the radio on the net the problem i have is vista sp2 does not see it and i don't know how to go about making it find it. i ran the ping test i think it is by going through Firefox ip addy is 192.168.1.101 and it came up with a simple HTML+cgi example which im assuming means it working. i don't know wot else to do.

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  • How to scan local network (LAN) for connected devices (Mac OS)

    - by smotchkkiss
    I'm basically looking for something like this but available on Mac. I am trying to connect a new workstation to our wireless multifunction printer and I'm having a hell of a time getting the device to spit out an IP for me to connect to. Is there a way I can scan the network somehow? If it makes a difference, the new workstation is using Mac OS X 10.6 Thanks in advance :)

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  • How to setup squid only cache specific domains?

    - by ???
    For example, I want squid to cache HTTP contents only for *.archive.ubuntu.com, which is blocked by firewall, and don't cache for other domains. And, only LAN (192.168.0.0/16) users can access the cached contents, but all users are allowed to access non-cached contents. User-IP Dest-Domain acl Expect ---------------- ----------------------- ------ ------------------------- 192.168.0.0/16 *.archive.ubuntu.com allow Cache Proxy, Fast 192.168.0.0/16 *.other allow Pass Proxy, Slow Other * allow Pass Proxy, Slow

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  • DHCP Requests Failing

    - by Jon Rauschenberger
    Clients on our network recently started receiving this error when attemping to acquire an IP Address from our DHCP Server: "the name specified in the network control block (ncb) is in use on a remote adapter" The DHCP Server is a Windows Server 2008 R2 machine, most of the client are Win 7. Can't find much on that error, anyone have an idea what could cause it? Thanks, jon

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  • Wireless clients have no route to ethernet clients in OpenWrt router

    - by superjoe30
    I'm using OpenWrt Kamikaze 8.09 on a Linksys WRT54g v1.1 router. I just flashed it with default settings and got everything working, except my wireless laptop cannot ping my desktop which is wired to the router. What can I do to fix this? (My desktop can ping other desktops wired to the router) My routing table: config 'defaults' option 'syn_flood' '1' option 'input' 'ACCEPT' option 'output' 'ACCEPT' option 'forward' 'REJECT' config 'zone' option 'name' 'lan' option 'input' 'ACCEPT' option 'output' 'ACCEPT' option 'forward' 'REJECT' config 'zone' option 'name' 'wan' option 'input' 'REJECT' option 'output' 'ACCEPT' option 'forward' 'REJECT' option 'masq' '1' config 'forwarding' option 'src' 'lan' option 'dest' 'wan' option 'mtu_fix' '1' config 'redirect' option 'src' 'wan' option '_name' 'ssh' option 'proto' 'tcp' option 'src_dport' '22' option 'dest_ip' '192.168.1.100' option 'dest_port' '22' config 'redirect' option 'src' 'wan' option '_name' 'http' option 'proto' 'tcp' option 'src_dport' '8888' option 'dest_ip' '192.168.1.100' option 'dest_port' '8888'

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  • How do I stop IIS from sending minutely GET requests to my proxied mongrel server?

    - by brad
    I have a rails application running on Windows Server 2008 running IIS7.5. I am using Application Request Routing to send requests to the Mongrel server via IIS (I didn't want to set it up like this but this was the environment I have been forced to use). IIS seems to send a GET request to the Mongrel server once every minute. This is not a huge deal but it does cause a lot of pollution in my logs and also creates a large amount of unwanted session data. I would really like to stop it from doing this. Is there a way?

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  • Sonicwall networking

    - by Syed
    My Sonicwall LAN subnet is 192.168.1.0/24 X0: LAN IP 192.168.1.253 I also have intranet router 192.168.1.108 routing to 192.168.2.0/24 network. Internet is through WAN (X1) is all working fine. My LAN PC's can connect to intranet 192.168.2.0/24 via static route from LANsubnet to 192.168.2.0/24 as 192.168.1.108 as gateway. Now I have LAN2 10.2.1.254 (10.2.1.0/24)on X4 port. I can access Internet from LAN2, now I want to allow intranet from LAN2. What static routes do I need to make this work?

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