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network:clear_dns [2016/06/23 06:25]
eServices Greece 		network:clear_dns [2017/02/16 09:12]
eServices Greece [Google Chrome]
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-===== Clear DNS ===== +====== Clear DNS ======
 {{howhard>1}} {{howhard>1}}
 +===== Operating Systems =====
 ==== Windows ==== ==== Windows ====
 === XP, 2000, VISTA, 7, 8, 8.1, 10 === === XP, 2000, VISTA, 7, 8, 8.1, 10 ===
 Open a Command Prompt with Administrative Privileges and type Open a Command Prompt with Administrative Privileges and type
-^ ^ ^ +  * <sxh>ipconfig /flushdns</sxh>
-| <sxh>ipconfig /flushdns</sxh> | <clippy>ipconfig /flushdns</clippy> |+
  
 ==== MAC OS ==== ==== MAC OS ====
 === 10.10 === === 10.10 ===
 Open a Terminal and type Open a Terminal and type
-^ ^ ^ + 
-| <sxh>sudo discoveryutil mdnsflushcache</sxh> | <clippy>sudo discoveryutil mdnsflushcache</clippy> |+  * <sxh>sudo discoveryutil mdnsflushcache</sxh> 
 +  * <sxh>sudo dscacheutil -flushcache</sxh>
  
 === 10.7, 10.8, 10.9 === === 10.7, 10.8, 10.9 ===
 Open a Terminal and type Open a Terminal and type
-^ ^ ^ +  * <sxh>sudo killall -HUP mDNSResponder</sxh> 
-| <sxh>sudo killall -HUP mDNSResponder</sxh> | <clippy>sudo killall -HUP mDNSResponder</clippy> |+  * <sxh>sudo dscacheutil -flushcache</sxh>
  
-=== 10.5, 10.6 ===+=== 10.2, 10.3, 10.4, 10.5, 10.6 ===
 Open a Terminal and type Open a Terminal and type
-^ ^ ^ +  * <sxh>sudo dscacheutil -flushcache</sxh> 
-| <sxh>sudo dscacheutil -flushcache</sxh> | <clippy>sudo dscacheutil -flushcache</clippy> |+ 
 +==== Linux ==== 
 + 
 +=== nscd === 
 +Open a Terminal and type 
 +  * Restart service <sxh>service nscd restart</sxh> 
 +  * Reload Service <sxh>service nscd reload</sxh> 
 + 
 +=== dnsmasq === 
 +Open a Terminal and type 
 +  * Restart service <sxh> service dnsmasq restart</sxh> 
 + 
 +=== BIND === 
 +Open a Terminal and type 
 +  * Restart service <sxh>rndc restart</sxh> 
 +  * Flash specific domain <sxh>rndc flushname domain.tld</sxh> 
 +  * Flash view (LAN) <sxh>rndc flush lan</sxh> 
 + 
 +===== Routers ===== 
 + 
 +==== CISCO ==== 
 +=== IOS === 
 +Switch to enable mode 
 +  * Clear specific domain <sxh>clear host domain.tld</sxh> 
 +  * Clear all domains <sxh>clear host *</sxh> 
 + 
 +==== Juniper ==== 
 +=== JunOS === 
 +  * Clear all domains <sxh>clear dns</sxh> 
 +  * Clear specific domain <sxh>clear security dns-cache domain.tld</sxh> 
 + 
 +==== FritzBox ==== 
 +<WRAP center round info 60%> 
 +The latest versions of the firmware do not allow for telnet, in those cases a router restart is required 
 +</WRAP> 
 + 
 +Enable Telnet mode by dialing: #96*7* 
 +Connect with a telnet client to the router and type 
 +  * Stop DNS Service <sxh>multid -s</sxh> 
 +  * Start DNS Service <sxh>multid</sxh> 
 + 
 +===== Web Browsers ===== 
 +==== Google Chrome ==== 
 +Visit the following URL 
 +<sxh>chrome://net-internals/#dns</sxh>
  
 +In the page click on the Clear host cache button.