commit 9a013ffafbd609a5b47c635fb54be6ee54bcb6c8
Author: Daniel Stenberg <daniel@haxx.se>
Date:   Mon Apr 25 16:24:33 2022 +0200

    [Backport] connect: store "conn_remote_port" in the info struct
    
    Offering: RTOS
    CVE: CVE-2022-27774
    Reference: upstream_commit_id=08b8ef4e726ba10f45081ecda5b3cea788d3c839
    
    DTS/AR: DTS2022042805098
    type: LTS
    reason: fix CVE-2022-27774 for curl.
    weblink：https://github.com/curl/curl/commit/08b8ef4e726ba10f45081ecda5b3cea788d3c839
    
    To make it available after the connection ended.
    
    Signed-off-by: lvshengyuan <lvshengyuan1@h-partners.com>

diff --git a/lib/connect.c b/lib/connect.c
index 11e6b888b..7e9045920 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -619,6 +619,7 @@ void Curl_persistconninfo(struct Curl_easy *data, struct connectdata *conn,
   data->info.conn_scheme = conn->handler->scheme;
   data->info.conn_protocol = conn->handler->protocol;
   data->info.conn_primary_port = conn->port;
+  data->info.conn_remote_port = conn->remote_port;
   data->info.conn_local_port = local_port;
 }
 
diff --git a/lib/urldata.h b/lib/urldata.h
index ffbe56993..a4e905413 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -1155,7 +1155,11 @@ struct PureInfo {
      reused, in the connection cache. */
 
   char conn_primary_ip[MAX_IPADR_LEN];
-  int conn_primary_port;
+  int conn_primary_port; /* this is the destination port to the connection,
+                            which might have been a proxy */
+  int conn_remote_port;  /* this is the "remote port", which is the port
+                            number of the used URL, independent of proxy or
+                            not */
   char conn_local_ip[MAX_IPADR_LEN];
   int conn_local_port;
   const char *conn_scheme;