{"id":1348,"date":"2009-11-06T15:18:29","date_gmt":"2009-11-06T06:18:29","guid":{"rendered":"https:\/\/regex.info\/blog\/2009-11-06\/1348"},"modified":"2009-11-06T15:18:29","modified_gmt":"2009-11-06T06:18:29","slug":"web-browsing-sluggishes-on-mac-disable-dns-ipv6-in-firefox","status":"publish","type":"post","link":"https:\/\/regex.info\/blog\/2009-11-06\/1348","title":{"rendered":"Web-Browsing Sluggishes on Mac: Disable DNS IPv6 in Firefox"},"content":{"rendered":"\n\n\n<div class='resize_warning' id='arw1348'>\n<b>NOTE<\/b>: Images with an <img class='raw' width='19' height='18' src='\/i\/s\/red_zoomup.gif'\/> icon next to them have been artificially shrunk to better fit your screen; click the icon to restore them, in place, to their regular size.\n<\/div>\n\n\n<p>So, <span class='nobr'>I'm still<\/span> getting set up and settled in <a\nhref=\"\/blog\/2009-11-03\/1347\" class='quiet'>with my new\nMac<\/a>, and thought I'd share one item <span class='nobr'>I came<\/span> across. <span class='nobr'>I found<\/span> that <span class='nobr'>a\nsmattering<\/span> of web sites were very sluggish &mdash; hanging when trying to\nresolve their names or fetch pages and such &mdash; with both Firefox and\nSafari on the new Mac, while at the same time they were fine from my\nWindows box.<\/p>\n\n<p>I'm not sure how I figured it out, but <span class='nobr'>I found<\/span> that in Firefox's\n<b>about:config<\/b> manual settings area, if <span class='nobr'>I change<\/span>\n<b>network.dns.disableIPv6<\/b> from the default <b>false<\/b> to\n<b>true<\/b>, everything was fine in Firefox. <span class='nobr'>I generally<\/span> don't use Safari,\nso am not sure whether it has similar configurations.<\/p>\n\n<p>I'm not a network engineer and this is not my area of knowledge, so <span class='nobr'>I\ndon't<\/span> know whether this relates to my computer, my home network\/router, or\nmy ISP, but it solved sporadic problems <span class='nobr'>I was<\/span> seeing on both my Mac Pro\nhard-wired desktop and WiFi-connected MacBook laptop.<\/p>\n\n<p>There are some Mac annoyances that <span class='nobr'>I have<\/span> not figured out, so I'll list them\nhere to solicit ideas..<\/p>\n\n<ul><li><p>I can't figure out how to put <span class='nobr'>a border<\/span> around <span class='nobr'>a Terminal<\/span> window. <span class='nobr'>OSX currently<\/span> provides <span class='nobr'>a drop<\/span> shadow to\n     isolate it from whatever it's above, but it's invisible if the background color of the Terminal is black, and\n     the window it's partially over is also black (such as when two Terminal windows overlap). This is maddening...\n     you can't see where one window ends and another begins. Being able to set <span class='nobr'>a 1px<\/span> border around the window would\n     completely solve everything, but they don't seem to allow for it. Maybe <span class='nobr'>I should<\/span> run xterms, which have allowed for\n     it for almost 20 years.<\/p><\/li>\n\n<li><p>Every time I download something and try to install it, <span class='nobr'>I get the<\/span> pablum\n\"you downloaded this from the Internet... did you ask your Mommy\nand Daddy whether it's okay to run it?\" dialog. <span class='nobr'>Is there<\/span> <span class='nobr'>a way<\/span> to tell OSX that I'm\n     <span class='nobr'>a big<\/span> boy and disable this annoyance?<\/p><\/li>\n\n     <li><p>You can cancel out of most dialogs in Windows by pressing the ESC\n     key, <span class='nobr'>a convenience<\/span> I've grown to enjoy. <span class='nobr'>Is there<\/span> some kind of magic setting in OSX that\n     enables this behavior?<\/p><\/li>\n\n<\/ul>\n\n<p>Thoughts on any of these, or other tips and tricks, would be appreciated.<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>So, I'm still getting set up and settled in with my new Mac, and thought I'd share one item I came across. I found that a smattering of web sites were very sluggish -- hanging when trying to resolve their names or fetch pages and such -- with both Firefox and Safari on the new Mac, while at the same time they were fine from my Windows box.<\/p> <p>I'm not sure how I figured it out, but I found that in Firefox's <b>about:config<\/b> manual settings area, if I change <b>network.dns.disableIPv6<\/b> from the default <b>false<\/b> to <b>true<\/b>, everything was fine in [...]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,4],"tags":[],"_links":{"self":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/posts\/1348"}],"collection":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/comments?post=1348"}],"version-history":[{"count":0,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/posts\/1348\/revisions"}],"wp:attachment":[{"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/media?parent=1348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/categories?post=1348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/regex.info\/blog\/wp-json\/wp\/v2\/tags?post=1348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}