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Shubham Singh
ZAP

CCIE Security  Instructor ,Network Bulls,India 

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Why we use NAT-T concept in VPN ?
author
Shubham Singh
,
ZAP
A feature it enable us to establish VPN session through NAT device. In NAT-T vpn devices add UDP header 4500 before ESP Header , so that NAT device can perform NAT with packet.

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1/1 ErrorException in Filesystem.php line 111: file_put_contents(/var/www/html/storage/framework/sessions/44c8NMQa5AtfJRScBtFBPuKRmddjwDk0WJh13CmP): failed to open stream: No space left on device

  1. in Filesystem.php line 111
  2. at HandleExceptions->handleError(2, 'file_put_contents(/var/www/html/storage/framework/sessions/44c8NMQa5AtfJRScBtFBPuKRmddjwDk0WJh13CmP): failed to open stream: No space left on device', '/var/www/html/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php', 111, array('path' => '/var/www/html/storage/framework/sessions/44c8NMQa5AtfJRScBtFBPuKRmddjwDk0WJh13CmP', 'contents' => 'a:3:{s:6:"_token";s:40:"TMZhS6HPeyunNu6UaOqfMmyDm4zNUVWk3e1DFqbB";s:9:"_previous";a:1:{s:3:"url";s:51:"http://www.networkbulls.com/profile/shubham-singh-1";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 'lock' => true))
  3. at file_put_contents('/var/www/html/storage/framework/sessions/44c8NMQa5AtfJRScBtFBPuKRmddjwDk0WJh13CmP', 'a:3:{s:6:"_token";s:40:"TMZhS6HPeyunNu6UaOqfMmyDm4zNUVWk3e1DFqbB";s:9:"_previous";a:1:{s:3:"url";s:51:"http://www.networkbulls.com/profile/shubham-singh-1";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 2) in Filesystem.php line 111
  4. at Filesystem->put('/var/www/html/storage/framework/sessions/44c8NMQa5AtfJRScBtFBPuKRmddjwDk0WJh13CmP', 'a:3:{s:6:"_token";s:40:"TMZhS6HPeyunNu6UaOqfMmyDm4zNUVWk3e1DFqbB";s:9:"_previous";a:1:{s:3:"url";s:51:"http://www.networkbulls.com/profile/shubham-singh-1";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', true) in FileSessionHandler.php line 83
  5. at FileSessionHandler->write('44c8NMQa5AtfJRScBtFBPuKRmddjwDk0WJh13CmP', 'a:3:{s:6:"_token";s:40:"TMZhS6HPeyunNu6UaOqfMmyDm4zNUVWk3e1DFqbB";s:9:"_previous";a:1:{s:3:"url";s:51:"http://www.networkbulls.com/profile/shubham-singh-1";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}') in Store.php line 128
  6. at Store->save() in StartSession.php line 88
  7. at StartSession->terminate(object(Request), object(Response)) in Kernel.php line 216
  8. at Kernel->terminateMiddleware(object(Request), object(Response)) in Kernel.php line 187
  9. at Kernel->terminate(object(Request), object(Response)) in index.php line 59
  10. at require_once('/var/www/html/public/index.php') in index.php line 20