diff --git a/include/proto/log.h b/include/proto/log.h
index dcc5ae4..02e01f7 100644
--- a/include/proto/log.h
+++ b/include/proto/log.h
@@ -148,11 +148,6 @@
  */
 char *lf_port(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node);
 
-/*
- * Write hostname, log_tag and pid to the log string
- */
-char *lf_host_tag_pid(char *dst, int format, const char *hostname, const char *log_tag, int pid, size_t size);
-
 
 #endif /* _PROTO_LOG_H */
 
diff --git a/include/types/global.h b/include/types/global.h
index ea5c387..ca96193 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -126,7 +126,7 @@
 	char *chroot;
 	char *pidfile;
 	char *node, *desc;		/* node name & description */
-	char *log_tag;                  /* name for syslog */
+	struct chunk log_tag;           /* name for syslog */
 	struct list logsrvs;
 	char *log_send_hostname;   /* set hostname in syslog header */
 	char *server_state_base;   /* path to a directory where server state files can be found */
diff --git a/include/types/log.h b/include/types/log.h
index 411ba8f..35c1228 100644
--- a/include/types/log.h
+++ b/include/types/log.h
@@ -30,7 +30,7 @@
 
 #define NB_LOG_FACILITIES       24
 #define NB_LOG_LEVELS           8
-#define NB_MSG_IOVEC_ELEMENTS   5
+#define NB_MSG_IOVEC_ELEMENTS   8
 #define SYSLOG_PORT             514
 #define UNIQUEID_LEN            128
 
diff --git a/include/types/proxy.h b/include/types/proxy.h
index 49debc6..e18ae72 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -346,9 +346,7 @@
 	struct list logsrvs;
 	struct list logformat; 			/* log_format linked list */
 	struct list logformat_sd;		/* log_format linked list for the RFC5424 structured-data part */
-	char *log_tag;                          /* override default syslog tag */
-	struct chunk log_htp;			/* a syslog header part that contains hostname, log_tag and pid (RFC3164 format) */
-	struct chunk log_htp_rfc5424;		/* a syslog header part that contains hostname, log_tag and pid (RFC5424 format) */
+	struct chunk log_tag;                   /* override default syslog tag */
 	char *header_unique_id; 		/* unique-id header */
 	struct list format_unique_id;		/* unique-id format */
 	int to_log;				/* things to be logged (LW_*) */