User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:47.0) Gecko/20100101 Firefox/47.0 Build ID: 20160604131506 Steps to reproduce: When I enter a URL using the private IP address for my local machine (http://192.168.50.41), Firefox tries to do DNS lookup for the address. This is adding a huge overhead to the page load. I am using a statically assigned IP address and DNS server. I am using the Google DNS servers: 188.8.131.52 and 184.108.40.206 Actual results: The message 'Looking up 192.168.50.1' is displayed in the message bar accompanied by a long wait Expected results: No DNS lookup.
Page reload in Chrome: 1 second Page reload in Firefox: 11 seconds
OS: Unspecified → Windows 7
Hardware: Unspecified → x86_64
I'm not convinced the problem is trying to resolve a dotted decimal.. that might just be the last thing sent to the status bar. Can you please reproduce your test case with logging enabled and add that log to this bug? https://developer.mozilla.org/en-US/docs/Mozilla/Debugging/HTTP_logging
Includes both the initial load of the page and then a reload
After a little investigation, I find that it is security addons that are causing the slowdown. Apologies.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 2 years ago
Resolution: --- → INVALID
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