Why does IKEv1 phase 1 use UDP port 500 in both source and dest.? but in other vendor like Juniper uses random port number as a source?

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Hello Tarun,

Please confirm the question , as per Juniper SRX IPsec VPN guide it also used Source and Destination port as 500.

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  1. in Filesystem.php line 111
  2. at HandleExceptions->handleError(2, 'file_put_contents(/var/www/html/storage/framework/sessions/lMGBdgn3ze9hG7guTjbBDguTPQBu1KTCQKW7ymIc): 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/lMGBdgn3ze9hG7guTjbBDguTPQBu1KTCQKW7ymIc', 'contents' => 'a:4:{s:6:"_token";s:40:"vF1A7jHhDCe5ZTUM9VkBSnb0xYDvoZS4fhQhs2eK";s:11:"viewed_urls";a:1:{i:0;s:132:"why-does-ikev1-phase-1-use-udp-port-500-in-both-source-and-dest-but-in-other-vendor-like-juniper-uses-random-port-number-as-a-source";}s:9:"_previous";a:1:{s:3:"url";s:160:"http://www.networkbulls.com/why-does-ikev1-phase-1-use-udp-port-500-in-both-source-and-dest-but-in-other-vendor-like-juniper-uses-random-port-number-as-a-source";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 'lock' => true))
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  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 58
  10. at require_once('/var/www/html/public/index.php') in index.php line 20