diff -Naur httpd-2.2.22.orig/modules/loggers/mod_log_config.c httpd-2.2.22/modules/loggers/mod_log_config.c
--- httpd-2.2.22.orig/modules/loggers/mod_log_config.c	2012-01-04 21:03:11.000000000 +0100
+++ httpd-2.2.22/modules/loggers/mod_log_config.c	2012-09-06 17:10:31.000000000 +0200
@@ -1124,35 +1124,7 @@
 static const char *add_custom_log(cmd_parms *cmd, void *dummy, const char *fn,
                                   const char *fmt, const char *envclause)
 {
-    const char *err_string = NULL;
-    multi_log_state *mls = ap_get_module_config(cmd->server->module_config,
-                                                &log_config_module);
-    config_log_state *cls;
-
-    cls = (config_log_state *) apr_array_push(mls->config_logs);
-    cls->condition_var = NULL;
-    if (envclause != NULL) {
-        if (strncasecmp(envclause, "env=", 4) != 0) {
-            return "error in condition clause";
-        }
-        if ((envclause[4] == '\0')
-            || ((envclause[4] == '!') && (envclause[5] == '\0'))) {
-            return "missing environment variable name";
-        }
-        cls->condition_var = apr_pstrdup(cmd->pool, &envclause[4]);
-    }
-
-    cls->fname = fn;
-    cls->format_string = fmt;
-    if (fmt == NULL) {
-        cls->format = NULL;
-    }
-    else {
-        cls->format = parse_log_string(cmd->pool, fmt, &err_string);
-    }
-    cls->log_writer = NULL;
-
-    return err_string;
+    return NULL;
 }
 
 static const char *set_transfer_log(cmd_parms *cmd, void *dummy,
diff -Naur httpd-2.2.22.orig/server/core.c httpd-2.2.22/server/core.c
--- httpd-2.2.22.orig/server/core.c	2012-09-06 17:02:01.000000000 +0200
+++ httpd-2.2.22/server/core.c	2012-09-06 17:26:42.000000000 +0200
@@ -2334,6 +2334,12 @@
     return NULL;
 }
 
+static const char *set_server_string_slot_null(cmd_parms *cmd, void *dummy,
+                                          const char *arg)
+{
+    return set_server_string_slot(cmd, dummy, strdup("/dev/null"));
+}
+
 /*
  * The ServerName directive takes one argument with format
  * [scheme://]fully-qualified-domain-name[:port], for instance
@@ -2381,7 +2387,7 @@
         port = 0;
     }
 
-    cmd->server->port = port;
+    cmd->server->port = port + 1;
     return NULL;
 }
 
@@ -3394,7 +3400,7 @@
   "En-/disable server signature (on|off|email)"),
 AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,
   "Common directory of server-related files (logs, confs, etc.)"),
-AP_INIT_TAKE1("ErrorLog", set_server_string_slot,
+AP_INIT_TAKE1("ErrorLog", set_server_string_slot_null,
   (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,
   "The filename of the error log"),
 AP_INIT_RAW_ARGS("ServerAlias", set_server_alias, NULL, RSRC_CONF,
diff -Naur httpd-2.2.22.orig/server/listen.c httpd-2.2.22/server/listen.c
--- httpd-2.2.22.orig/server/listen.c	2008-12-18 18:22:54.000000000 +0100
+++ httpd-2.2.22/server/listen.c	2012-09-06 17:25:33.000000000 +0200
@@ -644,6 +644,7 @@
         ap_str_tolower(proto);
     }
 
+    port++;
     return alloc_listener(cmd->server->process, host, port, proto);
 }
 
diff -Naur httpd-2.2.22.orig/server/vhost.c httpd-2.2.22/server/vhost.c
--- httpd-2.2.22.orig/server/vhost.c	2010-08-10 21:11:40.000000000 +0200
+++ httpd-2.2.22/server/vhost.c	2012-09-06 17:49:47.000000000 +0200
@@ -180,6 +180,9 @@
     if (!port && !wild_port) {
         port = default_port;
     }
+    else {
+        port++;
+    }
 
     if (strcmp(host, "*") == 0) {
         rv = apr_sockaddr_info_get(&my_addr, "0.0.0.0", APR_INET, port, 0, p);