Use/enforce sane max-connection values (fixes #1803)

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2383 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -29,6 +29,7 @@ NEWS
   * Some small buffer.c fixes (closes #1837)
   * Remove floating point math from server.c (fixes #1402)
   * Disable SSLv2 by default
+  * Use/enforce sane max-connection values (fixes #1803)
 
 - 1.4.20 - 2008-09-30
 

src/server.c

@@ -844,15 +844,16 @@ int main (int argc, char **argv) {
 	}
 
 	/* set max-conns */
-	if (srv->srvconf.max_conns > srv->max_fds) {
-		/* we can't have more connections than max-fds */
-		srv->max_conns = srv->max_fds;
+	if (srv->srvconf.max_conns > srv->max_fds/2) {
+		/* we can't have more connections than max-fds/2 */
+		log_error_write(srv, __FILE__, __LINE__, "sdd", "can't have more connections than fds/2: ", srv->srvconf.max_conns, srv->max_fds);
+		srv->max_conns = srv->max_fds/2;
 	} else if (srv->srvconf.max_conns) {
 		/* otherwise respect the wishes of the user */
 		srv->max_conns = srv->srvconf.max_conns;
 	} else {
-		/* or use the default */
-		srv->max_conns = srv->max_fds;
+		/* or use the default: we really don't want to hit max-fds */
+		srv->max_conns = srv->max_fds/3;
 	}
 
 	if (HANDLER_GO_ON != plugins_call_init(srv)) {