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the great firewall / how to remove bad entries from cache
Question asked by zachar doe - August 11, 2014 at 10:17 PM
Answered
hey all - simple DNS is one of the weapons i use to combat the great firewall of china. obviously GFW uses many technologies to keep us from going where we want to go, but one of them is DNS poisoning - with which simple DNS can help some.
 
but - occasionally a "poisoned" DNS lookup done without a VPN ends up in simple DNS' cache - resulting in the pages not loading until the bad entry has expired. mostly i see this with facebook and google documents - generally things that attempt to connect frequently - before i've connected the VPN.
 
now - i've not found a way of clearing an individual bad entry from the cache. is there one? doing a manual lookup doesn't seem to replace the cache entry with the latest lookup's info.

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JH Software Replied
August 12, 2014 at 1:55 AM
Employee Post
Unfortunately there is currently no way to remove individual cache entries.
 
We will consider adding such a feature.
 
You can of course clear the entire cache through the File menu / Clear DNS cache function.
 
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zachar doe Replied
August 12, 2014 at 2:36 AM
k - cheers. yes, i HAD found the "clear whole cache" -functionality.
 
(and acknowledge that my needs are rather non-standard.)

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