2 files changed, 4 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 31bce38..c87253e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,6 @@
 1.10 ???
  - Fix race issue with waitpid on linux.
+ - Close all (other than standard) file descriptors when forking filter.
 
 1.9 [2011-01-23]
  - Fix build warnings.
diff --git a/src/proxsmtpd.c b/src/proxsmtpd.c
index 8f50d96..963894d 100644
--- a/src/proxsmtpd.c
+++ b/src/proxsmtpd.c
@@ -425,6 +425,9 @@ static pid_t fork_filter(spctx_t* sp, int* infd, int* outfd, int* errfd)
             kill_myself();
         }
 
+	for (r = 3; r < FD_SETSIZE; ++r)
+		close(r);
+
         /* All the necessary environment vars */
         sp_setup_forked(sp, 1);