diff --git a/src/http_act.c b/src/http_act.c
index dee738b..5a51ca4 100644
--- a/src/http_act.c
+++ b/src/http_act.c
@@ -1777,10 +1777,10 @@
 	struct stktable *t;
 	struct stksess *ts;
 	struct stktable_key *key;
-	void *ptr1, *ptr2, *ptr3, *ptr4;
+	void *ptr1, *ptr2, *ptr3, *ptr4, *ptr5, *ptr6;
 	int opt;
 
-	ptr1 = ptr2 = ptr3 = ptr4 = NULL;
+	ptr1 = ptr2 = ptr3 = ptr4 = ptr5 = ptr6 = NULL;
 	opt = ((rule->from == ACT_F_HTTP_REQ) ? SMP_OPT_DIR_REQ : SMP_OPT_DIR_RES) | SMP_OPT_FINAL;
 
 	t = rule->arg.trk_ctr.table.t;
@@ -1810,7 +1810,13 @@
 		ptr4 = stktable_data_ptr(t, ts, STKTABLE_DT_HTTP_ERR_RATE);
 	}
 
-	if (ptr1 || ptr2 || ptr3 || ptr4) {
+	if (rule->from == ACT_F_HTTP_RES && (unsigned)(s->txn->status - 500) < 100 &&
+	    s->txn->status != 501 && s->txn->status != 505) {
+		ptr5 = stktable_data_ptr(t, ts, STKTABLE_DT_HTTP_FAIL_CNT);
+		ptr6 = stktable_data_ptr(t, ts, STKTABLE_DT_HTTP_FAIL_RATE);
+	}
+
+	if (ptr1 || ptr2 || ptr3 || ptr4 || ptr5 || ptr6) {
 		HA_RWLOCK_WRLOCK(STK_SESS_LOCK, &ts->lock);
 
 		if (ptr1)
@@ -1823,6 +1829,11 @@
 		if (ptr4)
 			update_freq_ctr_period(&stktable_data_cast(ptr4, http_err_rate),
 					       t->data_arg[STKTABLE_DT_HTTP_ERR_RATE].u, 1);
+		if (ptr5)
+			stktable_data_cast(ptr5, http_fail_cnt)++;
+		if (ptr6)
+			update_freq_ctr_period(&stktable_data_cast(ptr6, http_fail_rate),
+					       t->data_arg[STKTABLE_DT_HTTP_FAIL_RATE].u, 1);
 
 		HA_RWLOCK_WRUNLOCK(STK_SESS_LOCK, &ts->lock);
 
diff --git a/src/http_ana.c b/src/http_ana.c
index b359d35..c170512 100644
--- a/src/http_ana.c
+++ b/src/http_ana.c
@@ -1418,6 +1418,8 @@
 				}
 				txn->status = 425;
 			}
+			else
+				stream_inc_http_fail_ctr(s);
 
 			s->si[1].flags |= SI_FL_NOLINGER;
 			http_reply_and_close(s, txn->status, http_error_message(s));
@@ -1449,6 +1451,7 @@
 
 			rep->analysers &= AN_RES_FLT_END;
 			txn->status = 504;
+			stream_inc_http_fail_ctr(s);
 			s->si[1].flags |= SI_FL_NOLINGER;
 			http_reply_and_close(s, txn->status, http_error_message(s));
 
@@ -1507,6 +1510,7 @@
 
 			rep->analysers &= AN_RES_FLT_END;
 			txn->status = 502;
+			stream_inc_http_fail_ctr(s);
 			s->si[1].flags |= SI_FL_NOLINGER;
 			http_reply_and_close(s, txn->status, http_error_message(s));
 
@@ -1614,6 +1618,9 @@
 	if (n == 4)
 		stream_inc_http_err_ctr(s);
 
+	if (n == 5 && txn->status != 501 && txn->status != 505)
+		stream_inc_http_fail_ctr(s);
+
 	if (objt_server(s->target)) {
 		_HA_ATOMIC_ADD(&__objt_server(s->target)->counters.p.http.rsp[n], 1);
 		_HA_ATOMIC_ADD(&__objt_server(s->target)->counters.p.http.cum_req, 1);
@@ -1784,6 +1791,7 @@
 		return 0;
 	}
 	txn->status = 502;
+	stream_inc_http_fail_ctr(s);
 	/* fall through */
 
  return_prx_cond:
@@ -2081,6 +2089,7 @@
 
  return_bad_res:
 	txn->status = 502;
+	stream_inc_http_fail_ctr(s);
 	_HA_ATOMIC_ADD(&s->be->be_counters.failed_resp, 1);
 	if (objt_server(s->target)) {
 		_HA_ATOMIC_ADD(&__objt_server(s->target)->counters.failed_resp, 1);
@@ -2331,6 +2340,7 @@
 		_HA_ATOMIC_ADD(&sess->listener->counters->srv_aborts, 1);
 	if (objt_server(s->target))
 		_HA_ATOMIC_ADD(&__objt_server(s->target)->counters.srv_aborts, 1);
+	stream_inc_http_fail_ctr(s);
 	if (!(s->flags & SF_ERR_MASK))
 		s->flags |= SF_ERR_SRVCL;
 	goto return_error;
@@ -2363,6 +2373,7 @@
 		_HA_ATOMIC_ADD(&__objt_server(s->target)->counters.failed_resp, 1);
 		health_adjust(__objt_server(s->target), HANA_STATUS_HTTP_RSP);
 	}
+	stream_inc_http_fail_ctr(s);
 	if (!(s->flags & SF_ERR_MASK))
 		s->flags |= SF_ERR_SRVCL;
 	/* fall through */
diff --git a/src/stick_table.c b/src/stick_table.c
index 548d97c..1692fe2 100644
--- a/src/stick_table.c
+++ b/src/stick_table.c
@@ -1075,6 +1075,8 @@
 	[STKTABLE_DT_GPC1]          = { .name = "gpc1",           .std_type = STD_T_UINT  },
 	[STKTABLE_DT_GPC1_RATE]     = { .name = "gpc1_rate",      .std_type = STD_T_FRQP, .arg_type = ARG_T_DELAY  },
 	[STKTABLE_DT_SERVER_KEY]    = { .name = "server_key",     .std_type = STD_T_DICT  },
+	[STKTABLE_DT_HTTP_FAIL_CNT] = { .name = "http_fail_cnt",  .std_type = STD_T_UINT  },
+	[STKTABLE_DT_HTTP_FAIL_RATE]= { .name = "http_fail_rate", .std_type = STD_T_FRQP, .arg_type = ARG_T_DELAY  },
 };
 
 /* Registers stick-table extra data type with index <idx>, name <name>, type
@@ -1594,6 +1596,79 @@
 }
 
 /* Casts sample <smp> to the type of the table specified in arg(0), and looks
+ * it up into this table. Returns the cumulated number of HTTP response failures
+ * for the key if the key is present in the table, otherwise zero, so that
+ * comparisons can be easily performed. If the inspected parameter is not stored
+ * in the table, <not found> is returned.
+ */
+static int sample_conv_table_http_fail_cnt(const struct arg *arg_p, struct sample *smp, void *private)
+{
+	struct stktable *t;
+	struct stktable_key *key;
+	struct stksess *ts;
+	void *ptr;
+
+	t = arg_p[0].data.t;
+
+	key = smp_to_stkey(smp, t);
+	if (!key)
+		return 0;
+
+	ts = stktable_lookup_key(t, key);
+
+	smp->flags = SMP_F_VOL_TEST;
+	smp->data.type = SMP_T_SINT;
+	smp->data.u.sint = 0;
+
+	if (!ts) /* key not present */
+		return 1;
+
+	ptr = stktable_data_ptr(t, ts, STKTABLE_DT_HTTP_FAIL_CNT);
+	if (ptr)
+		smp->data.u.sint = stktable_data_cast(ptr, http_fail_cnt);
+
+	stktable_release(t, ts);
+	return !!ptr;
+}
+
+/* Casts sample <smp> to the type of the table specified in arg(0), and looks
+ * it up into this table. Returns the HTTP response failure rate for the key
+ * if the key is present in the table, otherwise zero, so that comparisons can
+ * be easily performed. If the inspected parameter is not stored in the table,
+ * <not found> is returned.
+ */
+static int sample_conv_table_http_fail_rate(const struct arg *arg_p, struct sample *smp, void *private)
+{
+	struct stktable *t;
+	struct stktable_key *key;
+	struct stksess *ts;
+	void *ptr;
+
+	t = arg_p[0].data.t;
+
+	key = smp_to_stkey(smp, t);
+	if (!key)
+		return 0;
+
+	ts = stktable_lookup_key(t, key);
+
+	smp->flags = SMP_F_VOL_TEST;
+	smp->data.type = SMP_T_SINT;
+	smp->data.u.sint = 0;
+
+	if (!ts) /* key not present */
+		return 1;
+
+	ptr = stktable_data_ptr(t, ts, STKTABLE_DT_HTTP_FAIL_RATE);
+	if (ptr)
+		smp->data.u.sint = read_freq_ctr_period(&stktable_data_cast(ptr, http_fail_rate),
+                                                       t->data_arg[STKTABLE_DT_HTTP_FAIL_RATE].u);
+
+	stktable_release(t, ts);
+	return !!ptr;
+}
+
+/* Casts sample <smp> to the type of the table specified in arg(0), and looks
  * it up into this table. Returns the cumulated number of HTTP request for the
  * key if the key is present in the table, otherwise zero, so that comparisons
  * can be easily performed. If the inspected parameter is not stored in the
@@ -3154,6 +3229,85 @@
 	return 1;
 }
 
+/* set <smp> to the cumulated number of HTTP response failures from the stream's
+ * tracked frontend counters. Supports being called as "sc[0-9]_http_fail_cnt" or
+ * "src_http_fail_cnt" only.
+ */
+static int
+smp_fetch_sc_http_fail_cnt(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+	struct stkctr tmpstkctr;
+	struct stkctr *stkctr;
+
+	stkctr = smp_fetch_sc_stkctr(smp->sess, smp->strm, args, kw, &tmpstkctr);
+	if (!stkctr)
+		return 0;
+
+	smp->flags = SMP_F_VOL_TEST;
+	smp->data.type = SMP_T_SINT;
+	smp->data.u.sint = 0;
+	if (stkctr_entry(stkctr) != NULL) {
+		void *ptr;
+
+		ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_HTTP_FAIL_CNT);
+		if (!ptr) {
+			if (stkctr == &tmpstkctr)
+				stktable_release(stkctr->table, stkctr_entry(stkctr));
+			return 0; /* parameter not stored */
+		}
+
+		HA_RWLOCK_RDLOCK(STK_SESS_LOCK, &stkctr_entry(stkctr)->lock);
+
+		smp->data.u.sint = stktable_data_cast(ptr, http_fail_cnt);
+
+		HA_RWLOCK_RDUNLOCK(STK_SESS_LOCK, &stkctr_entry(stkctr)->lock);
+
+		if (stkctr == &tmpstkctr)
+			stktable_release(stkctr->table, stkctr_entry(stkctr));
+	}
+	return 1;
+}
+
+/* set <smp> to the HTTP response failure rate from the stream's tracked frontend
+ * counters. Supports being called as "sc[0-9]_http_fail_rate" or
+ * "src_http_fail_rate" only.
+ */
+static int
+smp_fetch_sc_http_fail_rate(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+	struct stkctr tmpstkctr;
+	struct stkctr *stkctr;
+
+	stkctr = smp_fetch_sc_stkctr(smp->sess, smp->strm, args, kw, &tmpstkctr);
+	if (!stkctr)
+		return 0;
+
+	smp->flags = SMP_F_VOL_TEST;
+	smp->data.type = SMP_T_SINT;
+	smp->data.u.sint = 0;
+	if (stkctr_entry(stkctr) != NULL) {
+		void *ptr;
+
+		ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_HTTP_FAIL_RATE);
+		if (!ptr) {
+			if (stkctr == &tmpstkctr)
+				stktable_release(stkctr->table, stkctr_entry(stkctr));
+			return 0; /* parameter not stored */
+		}
+
+		HA_RWLOCK_RDLOCK(STK_SESS_LOCK, &stkctr_entry(stkctr)->lock);
+
+		smp->data.u.sint = read_freq_ctr_period(&stktable_data_cast(ptr, http_fail_rate),
+					       stkctr->table->data_arg[STKTABLE_DT_HTTP_FAIL_RATE].u);
+
+		HA_RWLOCK_RDUNLOCK(STK_SESS_LOCK, &stkctr_entry(stkctr)->lock);
+
+		if (stkctr == &tmpstkctr)
+			stktable_release(stkctr->table, stkctr_entry(stkctr));
+	}
+	return 1;
+}
+
 /* set <smp> to the number of kbytes received from clients, as found in the
  * stream's tracked frontend counters. Supports being called as
  * "sc[0-9]_kbytes_in" or "src_kbytes_in" only.
@@ -3993,6 +4147,8 @@
 	{ "sc_gpc1_rate",       smp_fetch_sc_gpc1_rate,      ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc_http_err_cnt",    smp_fetch_sc_http_err_cnt,   ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc_http_err_rate",   smp_fetch_sc_http_err_rate,  ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc_http_fail_cnt",   smp_fetch_sc_http_fail_cnt,  ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc_http_fail_rate",  smp_fetch_sc_http_fail_rate, ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc_http_req_cnt",    smp_fetch_sc_http_req_cnt,   ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc_http_req_rate",   smp_fetch_sc_http_req_rate,  ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc_inc_gpc0",        smp_fetch_sc_inc_gpc0,       ARG2(1,SINT,TAB), NULL, SMP_T_SINT, SMP_USE_INTRN, },
@@ -4017,6 +4173,8 @@
 	{ "sc0_gpc1_rate",      smp_fetch_sc_gpc1_rate,      ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc0_http_err_cnt",   smp_fetch_sc_http_err_cnt,   ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc0_http_err_rate",  smp_fetch_sc_http_err_rate,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc0_http_fail_cnt",  smp_fetch_sc_http_fail_cnt,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc0_http_fail_rate", smp_fetch_sc_http_fail_rate, ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc0_http_req_cnt",   smp_fetch_sc_http_req_cnt,   ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc0_http_req_rate",  smp_fetch_sc_http_req_rate,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc0_inc_gpc0",       smp_fetch_sc_inc_gpc0,       ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
@@ -4041,6 +4199,8 @@
 	{ "sc1_gpc1_rate",      smp_fetch_sc_gpc1_rate,      ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc1_http_err_cnt",   smp_fetch_sc_http_err_cnt,   ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc1_http_err_rate",  smp_fetch_sc_http_err_rate,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc1_http_fail_cnt",  smp_fetch_sc_http_fail_cnt,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc1_http_fail_rate", smp_fetch_sc_http_fail_rate, ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc1_http_req_cnt",   smp_fetch_sc_http_req_cnt,   ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc1_http_req_rate",  smp_fetch_sc_http_req_rate,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc1_inc_gpc0",       smp_fetch_sc_inc_gpc0,       ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
@@ -4065,6 +4225,8 @@
 	{ "sc2_gpc1_rate",      smp_fetch_sc_gpc1_rate,      ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc2_http_err_cnt",   smp_fetch_sc_http_err_cnt,   ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc2_http_err_rate",  smp_fetch_sc_http_err_rate,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc2_http_fail_cnt",  smp_fetch_sc_http_fail_cnt,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
+	{ "sc2_http_fail_rate", smp_fetch_sc_http_fail_rate, ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc2_http_req_cnt",   smp_fetch_sc_http_req_cnt,   ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc2_http_req_rate",  smp_fetch_sc_http_req_rate,  ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
 	{ "sc2_inc_gpc0",       smp_fetch_sc_inc_gpc0,       ARG1(0,TAB),      NULL, SMP_T_SINT, SMP_USE_INTRN, },
@@ -4089,6 +4251,8 @@
 	{ "src_gpc1_rate",      smp_fetch_sc_gpc1_rate,      ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
 	{ "src_http_err_cnt",   smp_fetch_sc_http_err_cnt,   ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
 	{ "src_http_err_rate",  smp_fetch_sc_http_err_rate,  ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
+	{ "src_http_fail_cnt",  smp_fetch_sc_http_fail_cnt,  ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
+	{ "src_http_fail_rate", smp_fetch_sc_http_fail_rate, ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
 	{ "src_http_req_cnt",   smp_fetch_sc_http_req_cnt,   ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
 	{ "src_http_req_rate",  smp_fetch_sc_http_req_rate,  ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
 	{ "src_inc_gpc0",       smp_fetch_sc_inc_gpc0,       ARG1(1,TAB),      NULL, SMP_T_SINT, SMP_USE_L4CLI, },
@@ -4120,6 +4284,8 @@
 	{ "table_gpc1_rate",      sample_conv_table_gpc1_rate,      ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
 	{ "table_http_err_cnt",   sample_conv_table_http_err_cnt,   ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
 	{ "table_http_err_rate",  sample_conv_table_http_err_rate,  ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
+	{ "table_http_fail_cnt",  sample_conv_table_http_fail_cnt,  ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
+	{ "table_http_fail_rate", sample_conv_table_http_fail_rate, ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
 	{ "table_http_req_cnt",   sample_conv_table_http_req_cnt,   ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
 	{ "table_http_req_rate",  sample_conv_table_http_req_rate,  ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },
 	{ "table_kbytes_in",      sample_conv_table_kbytes_in,      ARG1(1,TAB),  NULL, SMP_T_ANY,  SMP_T_SINT  },