{"action":"created","issue":{"url":"https://api.github.com/repos/envoyproxy/envoy/issues/4301","repository_url":"https://api.github.com/repos/envoyproxy/envoy","labels_url":"https://api.github.com/repos/envoyproxy/envoy/issues/4301/labels{/name}","comments_url":"https://api.github.com/repos/envoyproxy/envoy/issues/4301/comments","events_url":"https://api.github.com/repos/envoyproxy/envoy/issues/4301/events","html_url":"https://github.com/envoyproxy/envoy/issues/4301","id":355468370,"node_id":"MDU6SXNzdWUzNTU0NjgzNzA=","number":4301,"title":"Redirect traffic to same port as it was received / Listen on several ports","user":{"login":"apsega","id":15917655,"node_id":"MDQ6VXNlcjE1OTE3NjU1","avatar_url":"https://avatars0.githubusercontent.com/u/15917655?v=4","gravatar_id":"","url":"https://api.github.com/users/apsega","html_url":"https://github.com/apsega","followers_url":"https://api.github.com/users/apsega/followers","following_url":"https://api.github.com/users/apsega/following{/other_user}","gists_url":"https://api.github.com/users/apsega/gists{/gist_id}","starred_url":"https://api.github.com/users/apsega/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/apsega/subscriptions","organizations_url":"https://api.github.com/users/apsega/orgs","repos_url":"https://api.github.com/users/apsega/repos","events_url":"https://api.github.com/users/apsega/events{/privacy}","received_events_url":"https://api.github.com/users/apsega/received_events","type":"User","site_admin":false},"labels":[{"id":421403912,"node_id":"MDU6TGFiZWw0MjE0MDM5MTI=","url":"https://api.github.com/repos/envoyproxy/envoy/labels/question","name":"question","color":"cc317c","default":true},{"id":867150379,"node_id":"MDU6TGFiZWw4NjcxNTAzNzk=","url":"https://api.github.com/repos/envoyproxy/envoy/labels/stale","name":"stale","color":"bfd4f2","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2018-08-30T07:58:33Z","updated_at":"2018-10-08T02:07:59Z","closed_at":null,"author_association":"NONE","body":"*Title*: *Redirect traffic to same port as it was received / Listen on several ports*\r\n\r\n*Description*:\r\nI couldn't find if Envoy Proxy actually supports the option to listen on all/range of ports and redirect traffic (L4) to the backends on the same port as the traffic has been received. If there's actually a capability can someone share a configuration?\r\n\r\nHAProxy actually supports this kind of stuff i.e.:\r\n\r\n```\r\nfrontend http\r\n  bind *:80-30000\r\n```\r\n\r\nThis redirects to same upstream port as traffic went in just by not declaring it:\r\n\r\n```\r\nbackend http\r\n  server backend xx.x.xx.xxx maxconn 10000 check inter 5000 fastinter 1000 fall 3 rise 1 weight 1\r\n```"},"comment":{"url":"https://api.github.com/repos/envoyproxy/envoy/issues/comments/427706865","html_url":"https://github.com/envoyproxy/envoy/issues/4301#issuecomment-427706865","issue_url":"https://api.github.com/repos/envoyproxy/envoy/issues/4301","id":427706865,"node_id":"MDEyOklzc3VlQ29tbWVudDQyNzcwNjg2NQ==","user":{"login":"stale[bot]","id":26384082,"node_id":"MDM6Qm90MjYzODQwODI=","avatar_url":"https://avatars3.githubusercontent.com/in/1724?v=4","gravatar_id":"","url":"https://api.github.com/users/stale%5Bbot%5D","html_url":"https://github.com/apps/stale","followers_url":"https://api.github.com/users/stale%5Bbot%5D/followers","following_url":"https://api.github.com/users/stale%5Bbot%5D/following{/other_user}","gists_url":"https://api.github.com/users/stale%5Bbot%5D/gists{/gist_id}","starred_url":"https://api.github.com/users/stale%5Bbot%5D/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stale%5Bbot%5D/subscriptions","organizations_url":"https://api.github.com/users/stale%5Bbot%5D/orgs","repos_url":"https://api.github.com/users/stale%5Bbot%5D/repos","events_url":"https://api.github.com/users/stale%5Bbot%5D/events{/privacy}","received_events_url":"https://api.github.com/users/stale%5Bbot%5D/received_events","type":"Bot","site_admin":false},"created_at":"2018-10-08T02:07:59Z","updated_at":"2018-10-08T02:07:59Z","author_association":"NONE","body":"This issue has been automatically closed because it has not had activity in the last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as \"help wanted\". Thank you for your contributions.\n"}}
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