Comments on: Slow Internet with Leopard

By: Triet Tran

Triet Tran — Fri, 16 Oct 2009 11:14:37 +0000

Wow I really want to say that you’ve done a terrific job Ben, I reinstalled Mac os x to fix the problem but the slow-internet problem still persisted. Then I found your guide here and it was such a great help! Again, thanks Ben, wish you all the best.

By: Leon

Leon — Tue, 22 Sep 2009 21:32:13 +0000

I have solved the FTP problem. My router MTU setting was set to 1423 and my network connection on my Mac was set to 1500. I have changed the setting to manual and to 1423, and now it works. It was on auto, so it seems that auto does not work.

By: Leon

Leon — Tue, 22 Sep 2009 19:42:15 +0000

This have fixed issues on my mac. Paypal and Amazon for example did not completely load. It was as if the css files did not load. These files were on a different domain name when I had a look at the html source, and my mac did not want to resolve do those domain names.

However I still have another interesting issue: whenever I try to connect via FTP with FileZilla, the directory listing times out. In other words it does connect but the directory listing creates problems. All the above did not fix this issue yet.

By: Steve

Steve — Thu, 06 Aug 2009 15:14:06 +0000

I have had the wireless issue on my iMac (2008 edition) for months and after eliminating most of the other possible causes, I concluded that in my case the problem is most likely related to DNS/SRV lookup issues. My iMac running OSX 10.5.6 would not stay connected. The same machine on the same wireless network in the same environment running xp in bootcamp had no problems with the wireless network. I was not able to get any of the solutions on this page to work (I believe due to my ISP blocking other DNS servers).

Well, I updated to 10.5.8 last night and my wireless is now working in OSX. There is a reference in the release notes related to wireless:
“compatibility and reliability issues when joining AirPort networks”

So, give 10.5.8 a try - I am sure it won’t solve everyone’s problem, but you may get lucky. Maybe Ben can do some testing to see if there really is a fix.

By: Matt

Matt — Mon, 03 Aug 2009 14:44:58 +0000

Ben, I can’t thank you enough. Like others, a Google search found many forums on this problem but your solution is the only one that worked. My 20 mbps connection is now acting as it should. If only Apple would fix this issue with an update or in Snow Leopard.

Thanks again.

By: Sean

Sean — Thu, 25 Jun 2009 02:04:45 +0000

WOW I searched forever and this was exactly what i needed. Thanks again for doing this.

By: Guido Colard

Guido Colard — Sat, 28 Mar 2009 20:32:15 +0000

Ben…..this explanation is great!!! Thanks!!!

When I tried to access a web page it took 2-4 seconds (showing “Contacting…” in the Safari status bar) before starting to display content, sometimes missing parts and sporadically timing out.

In an attempt to solve it I installed Safari v4 beta; I may be wrong, but it felt the “Contacting…” time even increased. However, displaying the content seems to go faster.

For me your first solution “Direct DNS” did the trick! “Contacting…” time less than half a second now. I am grateful.

Also looked at your second solution “Disable IPv6″, but entering “about: config” does not display results. It may wel be that that’s because I am using a beta version now.

By: Philippe Bonneau

Philippe Bonneau — Tue, 03 Mar 2009 23:41:34 +0000

Thank’s so much! You have saved my life! I was searching for this solution for month and it was worse after oday Airport updates.

I apologize for my bad English, I am a French speaking person from Montréal.

By: Janet

Janet — Fri, 13 Feb 2009 00:22:41 +0000

I’m completely computer illiterate and I was able to do this. The only part I couldn’t understand was “open a Terminal window.” But when I minimized the System Preferences window and hit Safari to look online for what a terminal window was, I didn’t need to worry about it, because the internet was moving a lightning speed again. So I just applied the changes you instructed.

Thank you, thank you, thank you!!!!

By: Keith Thirgood

Keith Thirgood — Sat, 17 Jan 2009 04:28:02 +0000

Thanks Ben. It works great for one Mac, however, the other still doesn’t work, although I only did the DNS change on the router. What other part do you think I need to do to the other Mac to make it work as well?

Keith