Problems setting up open DNS

I have been trying for several days to get open dns set up on my home network and imac and am running into a wall. I have installed the correct numbers on my router and even added them to my modem. I checked on my imac ethernet network settings and the dns numbers are displayed there correctly. I have been in contact with Open DNS through a service ticket and been on their forum and tried multiple solutions. I appear to be using the open dns connections but even after multiple attempts to adjust my settings, I cant get it to filter Adult sites (I did set up an account as directed). Im about ready to give up on the service but thought I would try hear to see if this might be a common issue and if anyone has recommendations??

If you goto http://opendns.com
if you are using their service you should see in your browser.
If you are able to access a pron site that you accessed prior to turning on filtering then this problem may be due to the browsers caching the information.
I would suggest you clear your browsers caches.
also clear the dns cache on your mac use the following command in your terminal
dscacheutil -flushcache
also use the following command to list what dns servers your mac is using and post the results so I can check them.
/usr/sbin/scutil --dns | grep nameserver

Similar Messages

  • Having trouble setting up Open DNS with mac.

    When I try to set up Open DNS I get the following error message:
    Safari can’t open the page “http://192.168.1.1/Basic.tri” because the server unexpectedly dropped the connection. This sometimes occurs when the server is busy. Wait for a few minutes, and then try again.
    I have a Linksys router. I can get the router so save the settings using my Microsoft laptop, but I get an "oops" error message from Open DNS saying I am not set up on their site and just sends me back to step one. Does this sound familiar to anyone?

    No, you cannot put the router in front of the modem.
    You might look for any information your ISP gave you for your modem, such as a user guide. Or use the instructions at OpenDNS for a Motorola router, it should be similar. Remove the router and directly connect just one computer to the modem and try to access the modem's built in utility, as you have with your Linksys router. Motorola's default address appears to be "http://192.168.10.1/", the default username is "admin", and the password "password". If you encounter a question about obtaining the DNS service dynamically, check NO, then handset the OpenDNS servers, save and possibly restart the modem.
    If you are successful in configuring the modem, go back to the router and leave the DNS settings blank, as well as on each computer. Then the computers should receive the service dynamically from the modem.
    After all that, hopefully the OpenDNS website detects you using their service and allows you to proceed with setting up your account.
    Dah•veed

  • I am trying to set an open DNS using the MacAir. But when I tried to flush the existing one at utilities/terminal, it will not work.  I am using Yosemite.  May I know what should be the command line so that I can shift to an open DNS?  Thanks

    I am trying to set an open DNS using the MacAir. But when I tried to flush the existing one at utilities/terminal, it will not work.  I am using Yosemite.  May I know what should be the command line so that I can shift to an open DNS?  Thanks

    >SystemPreferences>Network>DNS

  • Help setting up Open DNS with new airport extreme

    I cant seem to get Open DNS to work with a new airport extreme. The status says I am not using Open DNS and its not filtering anything. I have followed the exact steps for set up listed on their website, checked the dns settings, cleared both caches and restarted the computer, modem and router with no success. I set the airport up in bridged mode, although I tried the other option under setup, but not sure what I was doing? I picked up this router because I wanted easy set up and the apple store assured me it would work with Open DNS. Oh, and I also downloaded the latest firmware update on the router. Can anyone help me with the settings or what else I need to check?

    Sorry, I am not familiar with this product, so I checked online to pick up some information.  Here I am referring to the information found here:
    http://www.dslreports.com/faq/6096
    I found that your device is mentioned as follows in the intro under Section 1 of this document:
    The BellSouth supplied Westell 2100, 2200 and 6100 models (Models A90-210030-04, B90-220030-04, and B90-610030-06/C90-610030-06, respectively) share many features and functions.
    Next, I am referring to the information under Section 2, under the heading of Standard Default Mode Connection (separate hub or switch present).  Unless you have changed the configuration on the Westell, this is how your device is operating. In this mode, the Westell device is acting both as a modem and router in one unit.
    So, an attached router (AirPort Extreme) must be configured as a switch to work correctly. That is what Bridge Mode is....the AirPort Extreme is operating as a switch when it is in Bridge Mode (which would be the correct setting to use when the Westell is set to its Standard Default Mode).
    Any changes that you want to make regarding DNS settings would need to be made on the Westell device, since it is acting as the main router on your network.
    In Bridge Mode, the AirPort Extreme simply passes that information through to its connected devices. You will not be able to make any DNS related changes on the AirPort Extreme since it receives that info from the Westel device. Some service providers force you to use their DNS servers, so you might want to check with Bell South or AT&T for more information in this regard.
    If you want to be able to configure the AirPort Extreme as the main router on your network, and instruct it to use the DNS information that you want, you will need to refer to the section under the heading of Bridged Ethernet Mode ( separate router present).
    Please note that the first item under this heading specifies that "This is the preferred configuration when using a separate external router..." (which would be the AirPort Extreme in your case)
    So, it appears to me that this would be the way that you must reconfigure the Westell device to allow the AirPort Extreme to function as the "main" router on your network. In this type of setup, you will be able to enter the DNS information that you want to use under the setup for the AirPort Extreme and it will act as you instruct.
    The AirPort Extreme would not be configured in Bridge Mode for this....it would be configured to "Share a public IP address".
    The next item in the article specifies that you "Must use a PPPoE client on the Router." This means that the AirPort Extreme would be configured to Connect Using = PPPoE as follows:
    AirPort Utility - Manual Setup
    Click the Internet icon
    Click the Internet Connection tab
    Connect Using = PPPoE
    You would enter your user name (probably your email address), password, etc in this area. Leave the Service Area box completely blank. Set Connection to Always On, and Disconnect if Idle to Never
    Click Update to save the new settings. Power off the Westell device after this and then restart it so that it will pick up the new information that you have programmed into the AirPort Extreme.
    I want to stress that this is how I would try to configure the Westell and AirPort Extreme. But, as I said, have not used a Westell device, so I cannot say that this will work correctly for you.
    It might be an excellent idea to contact Bell South or AT&T Support to ask for their opinion on this before you decide to change the configuration of the Westel device and the AirPort Extreme.
    This type of thing can be intimidating for users, so you might elect to use the services of someone like the Geek Squad at Best Buy, or a similar service from a local computer firm. Perhaps the Apple store could help as well.
    If it is not critical that you use Open DNS, you might want to simply leave things "as is", with the AirPort Extreme in Bridge Mode.

  • Problem setting an Open Password on an Adobe Interactive Form

    Hi,
    I'm generating a series of Adobe Interactive Forms using data pulled from R3 via BAPIs.  The PDFs are created without an issue but I want to put an Open Password on them (a password the user must enter in order to open the PDF). 
    From my reading of the APIs the following code should do this, however it doesn't.  The PDF which is created simply has no password protection at all.
    Does anyone have any suggestions?
                IWDPDFDocumentCreationContext creationContext = WDPDFDocumentFactory.getDocumentHandler().getDocumentCreationContext();
                creationContext.setTemplate(templateSourceOutputStream);
                creationContext.setData(dataSourceOutputStream);
                creationContext.setDynamic(true);
                creationContext.setProtection("openpasswordalias", null, null);
                IWDPDFDocument pdfDoc = creationContext.execute();
    Edit: My apologies, this should have been posted in the   Expert Forums  » SAP NetWeaver  » SAP Interactive Forms by Adobe  forum rather than here.  I have reposted this question there:
    Edited by: David Michell on May 9, 2008 9:02 AM

    sure you can. you can create that pdf within a webdynpro compoment with interface. that way information can be passed back and forth between the pdf and the webdynpro context and the gp context. how to create a pdf within webdynpro is very well documented on sdn as well as how to create a webdynpro with gp interface.

  • ISP Reporting Open DNS Resolvers

    I have a WRV210 in stalled at a remote client, it is set to do a point to point VPN tunnel to the company office (Windows server) another 210 at the other end.
    Behind this specific unit are 2 Windows workstations(XP). The client just received the following email from AT&T:
    AT&T has determined that a device using your Internet connection is configured to run an open Domain Name System (DNS) resolver. A DNS resolver was observed answering public queries at Jan 7, 2014 at 7:06 PM EST at the IP address X.X.X.X. Our records indicate that this IP address was assigned to you at this time.
    Open DNS resolvers can be used for network attacks, presenting additional load on your Internet access and resulting in unreliable service.
    An open DNS resolver allows users on the Internet to perform DNS requests on your server. This is considered an insecure configuration and in the majority of cases, Internet subscribers should not operate an open DNS resolver. The open DNS resolver may be present due to a default operating system installation or system configuration issue. In some cases, network devices such as home wireless routers have flaws that expose DNS service to the Internet.
    To address this problem we ask that you take the following actions. If your computer(s) are managed by an Information Technology (IT) group at your place of work, please pass this information on to them.
    If you use a wireless network, ensure that your wireless router is password-protected and using WPA or WPA2 encryption (use WEP only if WPA is not available). In addition, ensure that the router is not configured to provide open DNS services (consult the manual for your specific hardware). Check the connections to the router and ensure that you recognize all connected devices.
    If your environment requires you to run an open DNS resolver, please limit access via an ACL, rate limiting, or another method to minimize abuse of your server. Visit http://www.team-cymru.org/Services/Resolvers/instructions.html for additional technical information on preventing abuse.
    Thank you for your prompt attention to this matter. We welcome your feedback and questions on this matter. Please contact us at [email protected] with any questions you may have.
    I have no port forwarding setup nor do I have any port triggering. The workstation is not setup in the DMZ, the inside network is setup as 192.168.1.x
    Can anyone point me in the right direction to resolve this?
    Thank you.

    My brother uses the Cisco WRV210 for his home wireless network and he has the same issue.  He received the below warning from his ISP.  The ISP provided this link http://www.thinkbroadband.com/tools/dnscheck.html to run a DNS check for this issue.  I have reset the router to factory settings and upgraded the firmware but it did not resolve the issue.  I have checked that all of his devices are clean of viruses and malware to the best of my ability.  Even my own laptop, which is fine with my own home network, reports of this DNS resolver issue when I run the dnscheck when connected to the WRV210.  This issue is beyond my knowledge and expertise.  His ISP has terminated his service twice already as a warning, each time having to demand to have it restored.  As a result I reinstalled my brother's 10 year old D-Link router and although it is noticeably slower, it does not exhibit this problem.
    Any assistance is greatly appreciated!
    Please be advised that we have received a report that your provisioned IP address is operating as an Open DNS server permitting unrestricted Recursive DNS Queries from anywhere on the Internet.
    Open recursive DNS resolvers; have been used to generate an increasing number of extremely large reflective DDoS attacks, without needing a large number of infected hosts to launch the attacks.
    Additional risks of open recursive resolvers include resource consumption by outside users without your consent, and, perhaps possible cache poisoning from outside entities.
    For more information on the problems associated with Open DNS Recursion and assistance in remediation this threat, can be obtained from the site below.
    http://www.us-cert.gov/reading_room/DNS-recursion033006.pdf
    if you are not running a DNS server and are using a home gateway or router, it may be possible the router is running a DNS server. Usually, the DNS server should only be accessible to the computers inside your home, however if configured incorrectly, it may make the DNS server accessible to the entire Internet. If you suspect your router may be the cause of this activity, we suggest contacting your router manufacturer's support desk for assistance in reconfiguring your router.
    Please note that each end user is responsible for the security of their computer system while connected to the network and thus is ultimately responsible for network abuse that is conducted through such configurations. Failure to take the appropriate measures to prevent network abuse through your internet account may result in a service interruption / account termination.

  • Open DNS & Airport Question

    I have a wireless network (Airport Extreme and Airport Express for range in the back of my house). Have 4 Macs on the network. All have Open DNS set in System Prefs>Network>Airport>Advanced>DNS.
    Should I set one or both of the Airports to Open DNS also? If so, how? I looked at Airport Utility and see no ready way to do it.
    If I should add OPen DNS to Airport, can someone tell me how in an easy to follow fashion?
    Thanks in advance!

    No, sorry.
    All my machines are individually set for Open DNS: System Prefs>Network>Airport>Advanced>DNS: 208.67.222.222; 208.67.220.220.
    The machines have been set this way for a long time.
    My Q: Can/Should I set my Airports (Express and Extreme) somehow for Open DNS?
    My general configuration is:Cable>Modem>Airport>4 Macs.
    The hardware configuration is Cable into Router (Cox), Ethernet into Extreme, broadcast to Express 5 rooms away (to serve 2 of the 4 Macs); Ch 1 all.
    Perfect connection - so don't want to mess with that.
    Just want to know (if I can to speed up download time) --
    Would (if possible) setting the Airport settings to Open DNS help my speed? If so, how in the world would one do that - - > set the actual base station to have Open DNS settings?
    Make sense? Hope so!
    Thanks!
    Message was edited by: pcbjr

  • How do I set up a second home network that bypasses Open DNS?

    I have been having trouble downloading and streaming itunes content because I use Open DNS on my network.
    There have been many posts about disabling Open DNS to solve the problem but if I do that, my internet filter goes away.
    I would rather set up a second network that bypasses Open DNS and use it only for my Apple TV.
    Is this possible and if so, how do I do it?
    I have airport extreme base station with a second airport to extend the range, mac desktop, mac laptop, ATV, several iphones and ipads.
    I'm running OS X 10.7.5.
    Thanks in advance!

    Are you suggesting that I go into my Airport router settings and just blank out the DNS settings and then reboot it?
    Yes, exactly. You can always input those addresses again, if it does not solve the problem.
    OpenDNS may offer some advantages over your whatever your ISP uses for DNS but optimizing download speed is not one of them.
    Maybe I have jumped to the conclusion that Open DNS is the problem when maybe it isn't.
    It is possible. As I understand it, Apple's servers attempt to use a location near you to deliver iTunes content, and OpenDNS may result in pointing it to a less ideal location.
    3 hours may or may not be normal for HD movie. The download speed depends on a number of factors that are difficult to surmise without knowing details about your network and your ISP.

  • Stealth mode connection attempts?  Reason for Open DNS in router settings?

    Console is giving me repeated messages (many times per minute) that read
    "Stealth Mode connection attempt to UDP xxxx  from 208.67.222.222:53"
    That's a little scary to the uninitiated!   I've done some rummaging here and across the net on this.  I understand little of what I found or how to stop this.  I understand that the 208.67.222.222 is Open DNS related.  I was glad to discover that as I originally thought some malicious computer somewhere was trying to gain access to my MacBook Pro.  I thought I'd delete the DNS servers to see if that would help, but they are greyed out in the Preferences--Network--DNS panel and cannot be removed. 
    From what I've investigated, those Open DNS servers are set in the router.  I know how to change or delete those, but maybe I shouldn't.  In fact, maybe someone can remind me why I put them in there in the first place (years ago).  I vaguely recall some advantage to using Open DNS (faster?), although I'll confess that, of late, too often mistyped web addresses go to an Open DNS page, which is a nuisance.
    In any event, I'd like to do something that would stop the stealth mode "attacks".  While I'm sure I could ignore it, maybe it's eating up some browser or network time.  It also seems odd that it would go on and on! 

    Thanks for some info on this.  Should I only see it then, when I'm in a browser?  Or, when wi-fi is on?  I'm assuming that the Mac may be checking what time it is, although it seems a little too frequent for that!  (3 times a minute?  Well, maybe that's about right, but then Apple and Open DNS should coordinate so that this message doesn't show up.)
    I did find this:  http://forums.opendns.com/comments.php?DiscussionID=1785
    Does that make sense?  It's completely benign?  And doesn't waste CPU cycles?
    One problem with all this stealth mode logging is that it fills up the Console message window!  It thus means that there is gobs of stuff I have to wade through to see if there really is something going on from the outside!
    I did find two oddballs in there (I don't think they were open DNS as they weren't 208s), so the firewall is doing something.

  • Cisco Linksys E3000 - Open DNS Error

    I just purchased a Cisco Linksys E3000 and got it set up pretty much the way I want it. My only remaining problem is I wish to used Open DNS as my DNS server. On Line chat support says,"Please access router set up. Under the set up tab you will see the option for DNS1 and DNS2 please change it to 208.87.222 & 208.67.220 and save settings". I replied"I am on the basic set up page and currently I see Static DNS 1 thru 3 which are currently all zeros is that where you want me to put the new DNS numbers?"
    I made the changes as directed, saved and also flushed the DNS cache in Windows and in Firefox, rebooted and everything worked great.
    The problem is if the computer goes to sleep or is shut down when it restarts it cannot find the DNS server! What am I missing?
    Thanks

    Thanks for your help. This one really has me baffled
    As you can see below the static DNS is set to 3 adddresses for Open DNS and everthing works fine.untill either the computer goes to sllep or is shut down. Then the router can no longer locate a DNS server. The only way I can find to get everything working again is to zero out the address for Open DNS and reboot the router which somehow reestablises the DNS servers as:
    DNS Servers . . . . . . . . . 156.154.119.11
                                           156.154.129.11
                                           192.168.1.1
    You can also this below and I hope you have some idea of what is happening. I never had this problem before with any other routers on this system.
    Thanks,
    Chick
    C:\Windows\system32>ipconfig /all
    Windows IP Configuration
       Host Name . . . . . . . . . . . . : Dominator
       Primary Dns Suffix  . . . . . . . :
       Node Type . . . . . . . . . . . . : Hybrid
       IP Routing Enabled. . . . . . . . : No
       WINS Proxy Enabled. . . . . . . . : No
    Ethernet adapter Local Area Connection 3:
       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : TAP-Win32 Adapter V9
       Physical Address. . . . . . . . . : 00-FF-8F-A2-D9-9F
       DHCP Enabled. . . . . . . . . . . : Yes
       Autoconfiguration Enabled . . . . : Yes
    Ethernet adapter Local Area Connection 2:
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : NVIDIA nForce 10/100/1000 Mbps Ethernet #
    2
       Physical Address. . . . . . . . . : 00-04-4B-14-AE-3F
       DHCP Enabled. . . . . . . . . . . : Yes
       Autoconfiguration Enabled . . . . : Yes
       Link-local IPv6 Address . . . . . : fe80::6d9a:9c78:1a19:fbfa%19(Preferred)
       IPv4 Address. . . . . . . . . . . : 192.168.1.133(Preferred)
       Subnet Mask . . . . . . . . . . . : 255.255.255.0
       Lease Obtained. . . . . . . . . . : Saturday, September 24, 2011 2:57:14 PM
       Lease Expires . . . . . . . . . . : Sunday, September 25, 2011 3:07:26 PM
       Default Gateway . . . . . . . . . : 192.168.1.1
       DHCP Server . . . . . . . . . . . : 192.168.1.1
       DHCPv6 IAID . . . . . . . . . . . : 469763147
       DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-75-07-8A-00-04-4B-14-AE-3F
       DNS Servers . . . . . . . : 208.67.222.222
                                           208.67.220.220
                                           208.67.220.222
       NetBIOS over Tcpip. . . . . . . . : Enabled
    Tunnel adapter isatap.{13320496-B6EC-4CA2-9952-BDB3B51EED80}:
       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Microsoft ISATAP Adapter
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Local Area Connection* 12:
       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter isatap.{8FA2D99F-77B6-4DB6-9F88-C9952D1BE3EF}:
       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
    C:\Windows\system32>
    After Zeroing out Static DNS from Open DNS Address I get:
    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
    C:\Windows\system32>ipconfig /all
    Windows IP Configuration
       Host Name . . . . . . . . . . . . : Dominator
       Primary Dns Suffix  . . . . . . . :
       Node Type . . . . . . . . . . . . : Hybrid
       IP Routing Enabled. . . . . . . . : No
       WINS Proxy Enabled. . . . . . . . : No
    Ethernet adapter Local Area Connection 2:
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : NVIDIA nForce 10/100/1000 Mbps Ethernet #
    2
       Physical Address. . . . . . . . . : 00-04-4B-14-AE-3F
       DHCP Enabled. . . . . . . . . . . : Yes
       Autoconfiguration Enabled . . . . : Yes
       Link-local IPv6 Address . . . . . : fe80::6d9a:9c78:1a19:fbfa%19(Preferred)
       IPv4 Address. . . . . . . . . . . : 192.168.1.133(Preferred)
       Subnet Mask . . . . . . . . . . . : 255.255.255.0
       Lease Obtained. . . . . . . . . . : Saturday, September 24, 2011 3:38:12 PM
       Lease Expires . . . . . . . . . . : Sunday, September 25, 2011 3:38:12 PM
       Default Gateway . . . . . . . . . : fe80::c2c1:c0ff:fe7b:a655%19
                                           192.168.1.1
       DHCP Server . . . . . . . . . . . : 192.168.1.1
       DHCPv6 IAID . . . . . . . . . . . : 469763147
       DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-75-07-8A-00-04-4B-14-AE-3F
       DNS Servers . . . . . . . . . . . : 156.154.119.11
                                           156.154.129.11
                                           192.168.1.1
       NetBIOS over Tcpip. . . . . . . . : Enabled
    Tunnel adapter Local Area Connection* 12:
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
       IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:3451:dea:3f57:fe7a(Prefe
    rred)
       Link-local IPv6 Address . . . . . : fe80::3451:dea:3f57:fe7a%10(Preferred)
       Default Gateway . . . . . . . . . : ::
       NetBIOS over Tcpip. . . . . . . . : Disabled
    Tunnel adapter isatap.{13320496-B6EC-4CA2-9952-BDB3B51EED80}:
       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
    C:\Windows\system32>

  • Is Open DNS a good choice

    We are having problems with  very slow download speeds from our server company, and they blame it on Airport. A couple of people online have suggested using Open DNS as an alternative. Does anyone have advice pro or con on this?
    Thanks

    Mike,
    I started using Open Dns in February of this year.  I love it.  The reason why I changed was because my isp was jerking around with installing their own search engine. (to grab extra income from search referals)  I was getting a lot of redirects, especially when I was going to one of my primary financial sights. Since going to Open Dns, all of these redirects ceased to exist.  I also use it for my 10 year old Dell PC which I use as a back up, and believe it or not, it is noticeably faster with the Open Dns. I elected to install it in each of my computers, even though you can actually install it in yor router, if you have one.
    I like their security feature, and have mine set on medium.  The medium setting blocks adware, *****, and even the swinsuit advertisements for Sports Illustrated.  I do find that their logging capability for blocked sites to be a nice feature also, especially if you have kids using your computers. I would say that it is the best thing I've ever gotten for free.  But you are doing the right thing by investigating it before making any decisions about its use. Of course, if you don't like it, you can always go back to using what you have now.
    Carolyn Samit, who posts on this board, is the person who clued me in about O Dns. 

  • Open DNS

    My very much up-to-date Safari has been exceptionally neurotic. The day begins at lightning speed, then slows down, then, from time to time, Safari simply knocks out my internet connection.
    I've seen others here suggesting one could add 208.67.222.222 and 208.67.220.220 in their DNS menu. I haven't done it yet, simply when I click "+" to do so, my current numbers disappear. I was hoping the two series of numbers above could be added rather than substituted, so that if there was a problem with the two suggested numbers, I could revert back to the old ones, provided by, I assume, my internet provider Verizon.
    Any thoughts on the above?

    How did you add them?
    If you are using a single computer: Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu, and in the box marked 'DNS Servers' add the following two numbers:
    208.67.222.222
    208.67.220.220
    (You can also enter them if you click on Advanced and then DNS)
    Sometimes reversing the order of the DNS numbers can be beneficial in cases where there is a long delay before web pages start to load, and then suddenly load at normal speed:
    http://support.apple.com/kb/TS2296
    If your computer is part of a network: please refer to this page: http://www.opendns.com/start/bestpractices/#yournetwork and follow the advice given.
    (An explanation of why using Open DNS is both safe and a good idea can be read here: http://www.labnol.org/internet/tools/opendsn-what-is-opendns-why-required-2/2587 /
    Open DNS also provides an anti-phishing feature: http://www.opendns.com/solutions/homenetwork/anti-phishing/ )
    Wikipedia also has an interesting article about Open DNS:
    http://en.wikipedia.org/wiki/OpenDNS

  • Open DNS and internet sharing

    I am seeing strange behavior, and wondering if anyone has a thought about what is going on.
    I am at a hotel with fast internet service over ethernet, but, for whatever reason, DNS seems very slow if I use DHCP to connect (timeouts of 5-10 secs to get to a new site). If I switch to DHCP with fixed DNS, and use the Open DNS servers (208.67.222.222, 208.67.220.220) the latency issues go away.
    The interesting thing is that I am sharing the internet connection over Airport to my wife's computer (she connecting thru DHCP). If I use a fixed DNS for MY computer, then her computer cannot connect thru internet sharing. But if I use the (slow) DHCP connection, then she can connect through mine. I have not tried setting up her computer with a fixed DNS, as she really doesn't like me to change settings on her computer
    Is this a known limitation of internet sharing, or is there something I should know?
    TIA

    In more detail, if my ethernet (the computer that is doing the sharing), is set up with Configure: Using DHCP, and DNS Server: 208.67.222.222, 208.67.220.220 (in Network Panel for Ethernet), then the computer connecting thru Internet Sharing in Sharing Panel is not able to access some or all resources thru http (ie, pages fail to load, or do not fully load).
    However, if I clear the DNS Server part in the Network Panel, thereby using the the DNS Servers supplied by the hotel, then my computer's connection to the internet is slower, with long waits (presumably due to a slow DNS server), but computers accessing the internet via Airport thru my shared connection are able to browse the internet successfully.
    I suspect that when I have a fixed DNS server in my computer, that fact is not broadcast to computers using the shared connection. But I am not an expert in TCP/IP, and may well be confused about how DHCP, DNS, and Apple's Internet Sharing work together.
    Thanks for any ideas you have
    A

  • How to set file opening preference in OS 10.5

    I have around 1500 Census files which are JPEGS, and they opened nicely with Preview.  Today, I loaded most of iLife (iPhoto, iMovie, iDVD and iWeb).  Now, for some reason, every one of those files wants to be opened with Adobe Illustrator which is far from optimal for viewing them.  Preview is not even recognized now by the operating system as a means of opening JPEGS, and it refuses to open them even though it is open and running.
    Is it possible somewhere in the operating system to specify what piece of software has a preference to open a certain type of file?  All of those files which once has as their opening preference Preview have now been converted to Adobe Illustrator.
    Thanks for any suggestions.

    Kappy, that did not work.  I did a Google search on the subject and learned about an app called RCDefaultApp.  I downloaded that and placed it in my Library file as directed.  I then closed System Preferences and reopened it. The app showed up on the far left of the "Other" line of System Preferences.
    This let me set default apps for each "extension."  Sure enough, Illustrator was set to open jpeg, jpg, JPG, JPEG and PNG files.  I changed all of them to Preview.  Well, it still didn't work.  Even though Preview was open and actually allowing me to view one of these files, it would not let me open another one of them.
    About ready to tear my hair out, I decided if all else fails restart the computer.  That fixed the problem.  It appears the opening preferences got returned to their original values.  The files now open with Preview.
    Interestingly, when I started installing iLife, there was a warning that I would have to restart my computer when the software was loaded.  I omitted GarageBand which I don't need.  There was never any alert that the software was loaded and I should restart my computer.  So, I didn't.  Maybe some corruption crept in as a result.
    While at it, I also went into Finder preferences and checked the block under Advanced to show all extensions.  Quite a few of those census files had none, and they do now.
    Preview is working now and is opening all those files.  I also tried two small PNGs which I trashed because they would not open, and they work, too.  Happiness!!

  • 1.burned a hole in my screen can I get this repaired?  2. Even though I have it set to open up to a blank screen, no web pages, my computer (safari) continuously opens with multiple safari sites open. It doesn't seem to matter what I do, it just reverts

    1. I burned a small hole in my screen, is that fixable/replaceable? 2. Even though I have my 15" MacBook Pro set to open to empty screen when I open Safari, it constantly opens multiple previous pages. It doesn't seem to matter what I do it just reverts back to opening multiple pages. Major security risk, my bank pages have popped back up after my computer has been shut down, account numbers and all. I took my computer to an Apple store and the genious there tols me...      "honey, you can't hold your laptop on your lap, that's the problem, it's getting too hot" he honestly said that. Could someone please help me? Thanks

    Apple doesn't call its portable machines 'notebooks' instead of 'laptops' for nothing - using a MacBook Pro in your lap can cause some burns on your skin, poor ventilation, etc. So use it on a hard flat surface - not your lap, pillows, bedclothes, etc.
    As for burning a hole in your screen, you'll have to revisit the Apple Store and see how much they would charge for a new screen. It's likely to be a bit expensive.
    And if you've Safari set to re-open tabs when you restart, you can disable this feature -> Safari-Preferences-General.
    Good luck,
    Clinton

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