Backport of VAULT-6803: fix listener issue if using proxy_protocol_behavior with deny_unauthorized for untrusted upstream connections into release/1.17.x#27608

peteski22 merged 2 commits intorelease/1.17.xhashicorp/vault:release/1.17.xfrom

backport/peteski22/VAULT-6803/listener-proxy-behavior-bug-allow-deny/adversely-growing-insecthashicorp/vault:backport/peteski22/VAULT-6803/listener-proxy-behavior-bug-allow-deny/adversely-growing-insectCopy head branch name to clipboard