I can't access some websites

I have a brand new macbook air and for some reason out of the blue I can't access some websites everything worked fine up till now.

Down For Everyone Or Just Me -> Check if your website is down or up

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Can't access some websites. Possibly DNS problem.

This problem only started to occur a couple of days ago. I found that I can't access certain websites,but all the other computers in exactly the same network environment have no problem accessing them. I tried changing my DNS server settings from the servers my ISP provided to the Google DNSs, 8.8.8.8 and 4.4.4.4, and those websites I couldn't access before became accessible immediately, but some other websites, which I was able to access with the DNS provided by my ISP before, became inaccessible again. I tried using another set of DNS addresses, the same thing happened: some websites that I couldn't access before became accessible, but some others become inaccessible again. All these DNS servers that I used work perfectly on other computers in my network, so it has to be the problem of my computer. This has nothing to do with the browser, as all of the browers in my system have the same problem, even including the Internet Explorer in my VMware Windows virtual machine. I tried flushing the DNS cache with dscacheutil -flushcache, and it didn't work.
I'm using Lion 10.7.3 on MacBook Pro MC371. Please help!

Please give an example of a site you can't access now.

Can't access some websites using time capsule

Everything has been working just fine with my time capsule and my imac and just today I couldn't access some websites for some reason. I tried many other sites including this one and can get to them no problem. I have been through all of the airport settings and trouble shooting and can't find any problems, also the other 2 computers and my blackberry can't access some of the same sites either, I am stumped. Does anyone out there have any idea whats going on? Thanks for your help!

Welcome to the discussions!
Suggest that you contact your ISP. It sounds like their DNS server is overloaded at the moment, but also unlikely that they will ever admit it.
It wouldn't hurt to power cycle your complete network as well. Just power everything down, order is not important.
Start the modem first and let it run a few minutes by itself.
Then start the next device connected to the modem, probably your Time Capsule, and let it run a few minutes.
Then start your computers and devices one by one the same way.
Message was edited by: Bob Timmons

Can't access some websites and speed problem

Hi guys,
I hope to find some help here please as I am desperate!
It has been a week now that I am having problems with my broadband, suddenly I can't access some italian's websites (which I was able to access before). The browser tries to load up the page but nothing happens (it doesn't even give me an error). I tried those website on both my laptops (one windows and one mac) and on 3 different browsers but I have the same problem.
I even tried to use Google DNS on my mac but that didn't solve the problem, I have already tried to reset my BT home hub but again that didn't help.
Any ideas?
The other thing is that my broadband speed is really strange, because before it used to be very fast during the day (500-600 kb/s download) and really slow during peak-hours (which I know is normal). But for the past month it has been really slow (70kb/s download) even during the day, it has some brief moments when it's slightly faster but not as fast as before. Any suggestions on what would be the problem or what I can try?
I will really appreciate your help.
Thank you all
Robbie

Blade79 wrote:
Thanks for your reply.
These are 2 websites I know I can't access:
www.deejay.it
www.gazzetta.it
These are the adsl stats from my router and the speedtest:
I hope this helps,
Thanks a lot
Robbie
Hi there,
Both sites load almost instanty for me on my Infinity connection.
Below's a traceroute output
Last login: Tue Nov 30 18:02:04 on ttys000
ds9:~ Kev$ traceroute -I www.gazzetta.it
traceroute: Warning: www.gazzetta.it has multiple addresses; using 194.20.158.242
traceroute to www.gazzetta.it (194.20.158.242), 64 hops max, 72 byte packets
1 api (192.168.1.254) 1.083 ms 0.672 ms 0.637 ms
2 217.32.146.68 (217.32.146.68) 6.721 ms 6.462 ms 6.458 ms
3 217.32.146.110 (217.32.146.110) 8.307 ms 8.792 ms 8.140 ms
4 213.120.177.42 (213.120.177.42) 7.336 ms 7.540 ms 7.961 ms
5 217.32.24.30 (217.32.24.30) 7.040 ms 7.009 ms 7.224 ms
6 217.32.24.178 (217.32.24.178) 7.280 ms 7.126 ms 7.241 ms
7 acc1-10gige-0-2-0-4.l-far.21cn-ipp.bt.net (109.159.249.97) 7.724 ms 7.619 ms 7.111 ms
8 core1-te0-4-0-6.ealing.ukcore.bt.net (109.159.249.1) 8.806 ms 8.123 ms 8.569 ms
9 core1-pos1-0-0.telehouse.ukcore.bt.net (62.6.201.82) 8.686 ms 8.687 ms 8.642 ms
10 ge-0-0-1.londra32.lon.seabone.net (195.22.209.45) 8.965 ms 8.785 ms 8.998 ms
11 te4-1.milano52.mil.seabone.net (195.22.205.255) 33.067 ms 33.454 ms 33.081 ms
12 infracom.milano52.mil.seabone.net (195.22.205.62) 32.753 ms 33.112 ms 32.629 ms
13 milano-1-tge-3-1.ita.tip.net (62.196.4.250) 34.502 ms 34.290 ms 33.722 ms
14 * * *
15 *^C
ds9:~ Kev$ traceroute -I www.deejay.it
traceroute to www.deejay.it (213.92.16.220), 64 hops max, 72 byte packets
1 api (192.168.1.254) 1.066 ms 0.634 ms 0.673 ms
2 217.32.146.68 (217.32.146.68) 6.687 ms 6.515 ms 6.647 ms
3 217.32.146.94 (217.32.146.94) 7.512 ms 7.312 ms 7.501 ms
4 213.120.177.34 (213.120.177.34) 7.361 ms 7.232 ms 7.339 ms
5 217.32.24.30 (217.32.24.30) 6.593 ms 6.573 ms 6.927 ms
6 217.32.24.178 (217.32.24.178) 7.148 ms 7.152 ms 6.948 ms
7 acc1-10gige-0-2-0-7.l-far.21cn-ipp.bt.net (109.159.249.103) 7.578 ms 7.565 ms 7.629 ms
8 core2-te0-4-0-6.ilford.ukcore.bt.net (109.159.249.5) 8.223 ms 8.114 ms 8.850 ms
9 transit2-xe-0-1-0.ilford.ukcore.bt.net (194.72.20.250) 43.650 ms 7.958 ms 8.104 ms
10 t2c2-ge8-0-0.uk-ilf.eu.bt.net (166.49.168.113) 8.729 ms 8.506 ms 8.561 ms
11 t2c1-p3-1-1.uk-lon1.eu.bt.net (166.49.164.97) 8.668 ms 8.553 ms 8.333 ms
12 t2a1-ge4-0-0.uk-lon1.eu.bt.net (166.49.135.102) 8.736 ms 8.937 ms 8.829 ms
13 166-49-211-38.eu.bt.net (166.49.211.38) 8.638 ms 8.829 ms 9.038 ms
14 so-5-0-0.mil19.ip4.tinet.net (213.200.82.30) 37.702 ms 37.824 ms 37.312 ms
15 inet-gw.ip4.tinet.net (213.200.68.22) 47.007 ms 46.396 ms 46.148 ms
16 ge3-0-28.wf1-kwcore.wf.inet.it (212.239.110.34) 49.292 ms 49.117 ms 51.695 ms
17 www.deejay.it (213.92.16.220) 47.686 ms 47.109 ms 47.052 ms
ds9:~ Kev$
I hope this info helps.

Can't access some websites - URL is hijacked by "unotelly" - ??

This has a virus-like feel to it... I can't access certain websites,. When I do, I'm bumped to a site for Untotelly.
I type: www.bbc.co.uk
And I go to: http://quickstart3.unotelly.com/?origin=http://www.bbc.co.uk/
At the top of that page I'm asked to "please update your IP address" (among other things) .. which I'm reluctant to do.
The question is: how do I stop this from happening?

I'd think that the DNS settings on your computer or router have been changed to unotelly's ones.
How to remove UnoDNS : UnoTelly Customer Service

Can't Access Some Websites

Hi there!
I've searched all over the forums and the internet for help on this topic, but none of the solutions I've found prove to be anything more than false hope.
I have had this problem for 2 days now and it's driving me nuts! For some reason, I can't access my personal website (http://www.the-visionary.net) or the host (http://www.rigrag.com) but both are up and working. Friends can access it, I can access it at work, but I cannot access it at home. I've tried getting to both websites from multiple computers (a total of 4, plus an iPod Touch) and nothing seems to be able to access them which leads me to believe it's the included FiOS wireless router.
I've tried using free services such as OpenDNS.com and a few others, both by way of changing the router settings and personal computing settings, though none have been able to fix the situation. i honestly have no clue where to go from here. I've looked over the router settings, restarted, reset - nothing.
Does anyone have any idea what I can do to get my website back!
Thanks in advance,
Mitchell

Both websites you mention run on the same IP address.
Enter 69.10.57.170 into your browser and see if you see a blue Apache screen.
If you do see that page it's likely a DNS issue.
If you can't get that site to launch then it could be that your IP address is blocked from that site. You could try reaching the webmasters of those sites and asking them to unblock your IP

I can't access some websites, log in on some websites or have some websites remember my username and password.

Before I asked this question, I went through all the questions and answers and guides that were about problems similar to these but they never worked.
For some websites, it's as simple as not being able to log in. I will enter my account details but it will take me back to the log in page.
Some websites say that they can't 'redirect properly'.
I've looked up the solutions to these problems, but they didn't work. I think I'm experiencing another problem because one of the solutions that I think might work isn't being completed properly. When I try to do the 'use custom settings for history' fix, Firefox never remembers my settings.
The only add-on I have is AdBlock Plus.

This issue can be caused by corrupted cookies or cookies that are blocked.
*check the permissions on the about:permissions page and in "Tools > Page Info > Permissions"
*https://support.mozilla.org/kb/fix-login-issues-on-websites-require-passwords
Clear the cache and remove cookies only from websites that cause problems.
"Clear the Cache":
*Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

I used Iolo to "clean" my hard drive, and now I can't access some websites, including facebook. How can I fix this? I get what looks like a root directory.

Since using Iolo yesterday, I can't bring up the full front page of some websites, including Bing. Bing is a grey, blank screen. Lumosity looks like part of a root directory. How can I fix this? I'm trying to use IE instead, and having problems with that, too, and I don't like it anyway.

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!

Can't access some websites from XP machines on the network, but Win7 PC's ok

Hi,
We have a SBS installation with both XP and 7 PCs on it. Within the last couple of weeks the XP units have become unable to access certain websites, although others are ok. Windows 7 PC's are fine. Pings to the affected sites are also ok from either XP or
7. Despite a lot of effort trying to discover the reason we are not any closer to a solution. Could anyone suggest how we might track down the source of the issue ?
Many thanks

Hi,
Please try to reset the IE on the XP client. This issue may be caused by misconfiguration of the Internet Explorer.
Please check if there is any firewall rule block the TCP port 80 of the specified website.
To check if the TCP port 80 is open, please use the portqry tool.
To download the portqry, please click the link below,
http://www.microsoft.com/en-us/download/details.aspx?id=24009
If the TCP port 80 is block on the specified website, please check the network settings. Normally, this issue is caused by the misconfiguration of the firewall. Also, incorrectly configured proxy or router will cause this issue too.
If the TCP port 80 is open, we may need to perform a network capture on the XP client.
To download Network Monitor, please refer to the link below,
http://www.microsoft.com/en-us/download/details.aspx?id=4865
Best Regards.
Steven Lee Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

WRT54Gv6 Can't access some websites

Hi
I recently bought a WRT54Gv6 router. For the past two weeks it was working perfectly until four days ago. I tried to open some web page but got a connection timeout error, I initially thought that the problem was with my internet connection but after doing a trace route to the server I realize that the problem was in the router, it was dropping all requests to that site. I checked by connecting the modem directly to the computer and the page open just fine. I resolved the problem by reseting the router but the problem came back later but with a different website. I can find anything in the configuration page of the router that explains this odd behavior. Can someone help please?

Problem solved. I lower the MTU to 1396 as suggested here:
http://forums.linksys.com/linksys/board/message?board.id=Wireless_Routers&message.id=20392

[SOLVED]Can't access some websites because of timedatectl

so earlier I was being very stupid and messing around with timedatectl since the taskbar displayed the wrong time. I just noticed this and I remembered that I had changed the BIOS time last night. so now the BIOS time is set to UTC, and I have the correct time in the taskbar, but for some reason it gives me this weird error when I try to install adblock:
Secure Connection Failed
An error occurred during a connection to addons.cdn.mozilla.net. The OCSP response is not yet valid (contains a date in the future). (Error code: sec_error_ocsp_future_response)
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
Please contact the website owners to inform them of this problem. Alternatively, use the command found in the help menu to report this broken site.
I have no idea what to make of this. I really do not want to do a whole install of Arch again I just got everything set up. Can anyone help me out? This screenshot has timedatectl output as well as the screenshot. And the time is correct in the screenshot.
http://i.imgur.com/9MH1c5k.png
[ansm@archpad ~]$ timedatectl
Local time: Tue 2014-03-11 03:47:49 PDT
Universal time: Tue 2014-03-11 10:47:49 UTC
RTC time: Tue 2014-03-11 10:47:49
Time zone: America/Los_Angeles (PDT, -0700)
NTP enabled: n/a
NTP synchronized: no
RTC in local TZ: no
DST active: yes
Last DST change: DST began at
Sun 2014-03-09 01:59:59 PST
Sun 2014-03-09 03:00:00 PDT
Next DST change: DST ends (the clock jumps one hour backwards) at
Sun 2014-11-02 01:59:59 PDT
Sun 2014-11-02 01:00:00 PST
-- mod edit: read the Forum Etiquette and only post thumbnails http://wiki.archlinux.org/index.php/For … s_and_Code [jwr] --
Last edited by stevenplanet (2014-04-04 07:00:57)

lucke wrote:Is it 11th March at your place? It's 31st here.
Now I feel really stupid. I was so focused on the time I forgot about the date. I did another timedatectl with the current date and that fixed everything up.
o_caino wrote:
Before jasonwryan arrives...
Forum etiquette wrote:
Do not post full screen pictures; use thumbnails instead. Any image with dimensions greater than 250x250px or over 50Kb in size will be removed.
Sorry about that! I should read it next time it was my fault. Won't happen again!

New mac mini and can't access some websites

Just upgraded to the new mac mini and am having trouble with loading some sites on safari, primarily social networking sites. Also hangs up on other pages when loading (trying to load google now etc). We have not tranferred anything from the old mini onto the new one yet so not sure what the problem is. Suggestions??

First try > OS X: Updating your software
then > Adobe - Install Adobe Flash Player

Can't access some website after updating to OS 10.7.2

So after I updated my OS to 10.7.2 yesterday, I can't seem to open sites such as: megashare.info, and mytvline.com which are usually for free online stream of videos.
I dunno why.
Can you help me??

Hi Mr shiyawase
I am having a similar problem but i can't find no answer yet..
please see this url..https://discussions.apple.com/thread/3692237

My MacBook uses Mac OS X Version 10.6.8. I am unable to access some websites, such as Facebllk, Gooogle, etc, but I can access other websites such as MSN, Amazon. I have emptied the Safari cache with no change. Appreciate any help.

My MacBook uses Mac OS X Version 10.6.8. I am unable to access some websites, such as Facebook and Google, but I can access other sites such as MSN and Amazon. I have emptied the Safari cache with no change. Appreciate any help in solving this problem.

My MacBook uses Mac OS X Version 10.6.8. I am unable to access some websites, such as Facebook and Google, but I can access other sites such as MSN and Amazon. I have emptied the Safari cache with no change. Appreciate any help in solving this problem.

Can't access several websites after last security update

Hello,
After upgrading both my Macbook Air mid 2011 and iMac 2008 (with SSD) both running Mountain Lion 10.8.4 to the last security fix, I can't access from any of those two computers a variety of websites, for example:
www.opennicproject.org
www.gentoo-el.org
www.adslgr.com
These are only three. Almost half of Google's results are blocked. Using the terminal utility I am able to resolv some of them but not actually 'ping' them. I get no ping replies. I can access all these websites from other computers or devices (iPhone/iPad/Ubuntu desktop/WindowsXP laptop) on the same LAN. This problem exists only in the 2 macs which are up-to-date. I am sure that this problem is related to latest security update I did a couple of days ago, to both computers.
I'd like to know if anyone who have all patches installed up to the latest OSX version (mountain lion 10.8.4) has the same issues and can ping/resolv/access these websites.
Note that although I can't access these websites directly using any direct network connection, I can access them using TOR browser bundle for mac, which means that something is going on at a computer level.
I have checked so far:
- Applicationn Apple's firewall is not creating the problem (disabled/enabled all)
- ipfw/PF is not running with any ruleset
- LittleSnitch blocks just a couple of annoying outgoing connections. Nothing there (I disabled/enabeld it, same thing).
- Other computers access the websites/ping them/etc.
- I can access websites using TOR.
NOTE: It's not just 3 websites, it's something like 1 out of 3 DuckDuckGo links.
Ideas and thoughts are welcomed!
Best Regards,
PA

From the Safari menu bar, select
Safari ▹ Preferences ▹ Extensions
Turn all extensions OFF and test. If the problem is resolved, turn extensions back ON and then disable them one or a few at a time until you find the culprit.
If you wish, you may be able to salvage the malfunctioning extension by uninstalling and reinstalling it. That will revert its settings to the defaults.

I can't access some websites

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