githttpbackend: use REMOTE_ADDR for deleted identifier

REMOTE_HOST is not set by us (it is the reverse DNS name) of
REMOTE_ADDR, and there's few better ways to kill HTTP server
performance than to use standard name resolution APIs like
getnameinfo(3).

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/PublicInbox/GitHTTPBackend.pm b/lib/PublicInbox/GitHTTPBackend.pm
index a8337035..c9a7cff8 100644
--- a/lib/PublicInbox/GitHTTPBackend.pm
+++ b/lib/PublicInbox/GitHTTPBackend.pm
@@ -219,7 +219,7 @@ sub input_prepare {
         if (defined $fd && $fd >= 0) {
                 return { 0 => $fd };
         }
-        my $id = "git-http.input.$env->{REMOTE_HOST}:$env->{REMOTE_PORT}";
+        my $id = "git-http.input.$env->{REMOTE_ADDR}:$env->{REMOTE_PORT}";
         my $in = tmpfile($id);
         unless (defined $in) {
                 err($env, "could not open temporary file: $!");