request help: apisix add port 9443 when receive 302 redirect

[purekeeper]

Issue description

Browser send https://a/b/c to nlb(443) and nlb forward to apisix(9443) ,then apisix forward to backed service testSerivce, testservice return 302 to a new url. but the browser show the new url with port 9443 ,which result in failure, anybody know the reason ?

Environment

• apisix version (cmd: apisix version):
• OS (cmd: uname -a):
• OpenResty / Nginx version (cmd: nginx -V or openresty -V):
• etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API):
• apisix-dashboard version, if have:
• the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
• luarocks version, if the issue is about installation (cmd: luarocks --version):

[souzens]

Try to disable
#proxy_set_header X-Forwarded-Port

[github-actions]

This issue has been marked as stale due to 350 days of inactivity. It will be closed in 2 weeks if no further activity occurs. If this issue is still relevant, please simply write any comment. Even if closed, you can still revive the issue at any time or discuss it on the dev@apisix.apache.org list. Thank you for your contributions.

[github-actions]

This issue has been closed due to lack of activity. If you think that is incorrect, or the issue requires additional review, you can revive the issue at any time.