diff --git a/src/cfgparse-listen.c b/src/cfgparse-listen.c
index f0c250d98..72fd3fa6c 100644
--- a/src/cfgparse-listen.c
+++ b/src/cfgparse-listen.c
@@ -2615,20 +2615,6 @@ stats_error_parsing:
 			goto out;
 		}
 
-		if (port1 != port2) {
-			ha_alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'.\n",
-				 file, linenum, args[0], args[1]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
-		if (!port1) {
-			ha_alert("parsing [%s:%d] : '%s' : missing port number in '%s', <addr:port> expected.\n",
-				 file, linenum, args[0], args[1]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
 		if (alertif_too_many_args(1, file, linenum, args, &err_code))
 			goto out;
 
@@ -2888,13 +2874,6 @@ stats_error_parsing:
 			goto out;
 		}
 
-		if (port1 != port2) {
-			ha_alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n",
-				 file, linenum, args[0], args[1]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
 		curproxy->conn_src.source_addr = *sk;
 		curproxy->conn_src.opts |= CO_SRC_BIND;
 
@@ -2973,12 +2952,6 @@ stats_error_parsing:
 						goto out;
 					}
 
-					if (port1 != port2) {
-						ha_alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n",
-							 file, linenum, args[cur_arg], args[cur_arg + 1]);
-						err_code |= ERR_ALERT | ERR_FATAL;
-						goto out;
-					}
 					curproxy->conn_src.tproxy_addr = *sk;
 					curproxy->conn_src.opts |= CO_SRC_TPROXY_ADDR;
 				}
diff --git a/src/cfgparse.c b/src/cfgparse.c
index fa143c00d..660c308c6 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -133,30 +133,7 @@ int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf,
 		if (!ss2)
 			goto fail;
 
-		if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6
-		                              || ss2->ss_family == AF_CUST_UDP4
-					      || ss2->ss_family == AF_CUST_UDP6) {
-			if (!port && !end) {
-				memprintf(err, "missing port number: '%s'\n", str);
-				goto fail;
-			}
-
-			if (!port || !end) {
-				memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
-				goto fail;
-			}
-
-			if (port < 1 || port > 65535) {
-				memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
-				goto fail;
-			}
-
-			if (end < 1 || end > 65535) {
-				memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
-				goto fail;
-			}
-		}
-		else if (ss2->ss_family == AF_CUST_EXISTING_FD) {
+		if (ss2->ss_family == AF_CUST_EXISTING_FD) {
 			socklen_t addr_len;
 			inherited = 1;
 
@@ -1055,20 +1032,6 @@ int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
 			goto out;
 		}
 
-		if (port1 != port2) {
-			ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
-				 file, linenum, args[0], args[1], args[2]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
-		if (!port1 && !port2) {
-			ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
-				 file, linenum, args[0], args[1]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
 		newnameserver->addr = *sk;
 	}
 	else if (strcmp(args[0], "parse-resolv-conf") == 0) {
@@ -1439,20 +1402,6 @@ int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
 			goto out;
 		}
 
-		if (port1 != port2) {
-			ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
-				 file, linenum, args[0], args[1], args[2]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
-		if (!port1) {
-			ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
-				 file, linenum, args[0], args[1], args[2]);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
-
 		newmailer->addr = *sk;
 		newmailer->proto = proto;
 		newmailer->xprt  = xprt_get(XPRT_RAW);
diff --git a/src/check.c b/src/check.c
index 1d3a307b6..423cb4dcc 100644
--- a/src/check.c
+++ b/src/check.c
@@ -2652,12 +2652,6 @@ static int srv_parse_addr(char **args, int *cur_arg, struct proxy *curpx, struct
 		goto error;
 	}
 
-	if (port1 != port2) {
-		memprintf(errmsg, "'%s' : port ranges and offsets are not allowed in '%s'.",
-		          args[*cur_arg], args[*cur_arg+1]);
-		goto error;
-	}
-
 	srv->check.addr = srv->agent.addr = *sk;
 	srv->flags |= SRV_F_CHECKADDR;
 	srv->flags |= SRV_F_AGENTADDR;
diff --git a/src/hlua.c b/src/hlua.c
index 9a0695648..331fed978 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -2539,10 +2539,6 @@ __LJMP static int hlua_socket_connect(struct lua_State *L)
 		xref_unlock(&socket->xref, peer);
 		WILL_LJMP(luaL_error(L, "connect: cannot parse destination address '%s'", ip));
 	}
-	if (low != high) {
-		xref_unlock(&socket->xref, peer);
-		WILL_LJMP(luaL_error(L, "connect: port ranges not supported : address '%s'", ip));
-	}
 
 	/* Set port. */
 	if (low == 0) {
diff --git a/src/log.c b/src/log.c
index 1a00ae0fb..491b149f6 100644
--- a/src/log.c
+++ b/src/log.c
@@ -1033,10 +1033,6 @@ int parse_logsrv(char **args, struct list *logsrvs, int do_del, char **err)
 		sk->ss_family = AF_INET6;
 
 	if (sk->ss_family == AF_INET || sk->ss_family == AF_INET6) {
-		if (port1 != port2) {
-			memprintf(err, "port ranges and offsets are not allowed in '%s'", args[1]);
-			goto error;
-		}
 		logsrv->addr = *sk;
 		if (!port1)
 			set_host_port(&logsrv->addr, SYSLOG_PORT);
diff --git a/src/server.c b/src/server.c
index b9ac32eb0..c60834538 100644
--- a/src/server.c
+++ b/src/server.c
@@ -678,18 +678,6 @@ static int srv_parse_source(char **args, int *cur_arg,
 	if (port_low != port_high) {
 		int i;
 
-		if (!port_low || !port_high) {
-			ha_alert("'%s' does not support port offsets (found '%s').\n",
-				 args[*cur_arg], args[*cur_arg + 1]);
-			goto err;
-		}
-
-		if (port_low  <= 0 || port_low  > 65535 ||
-			port_high <= 0 || port_high > 65535 ||
-			port_low > port_high) {
-			ha_alert("'%s': invalid source port range %d-%d.\n", args[*cur_arg], port_low, port_high);
-			goto err;
-		}
 		newsrv->conn_src.sport_range = port_range_alloc_range(port_high - port_low + 1);
 		for (i = 0; i < newsrv->conn_src.sport_range->size; i++)
 			newsrv->conn_src.sport_range->ports[i] = port_low + i;
@@ -769,11 +757,6 @@ static int srv_parse_source(char **args, int *cur_arg,
 					goto err;
 				}
 
-				if (port1 != port2) {
-					ha_alert("'%s' : port ranges and offsets are not allowed in '%s'\n",
-						 args[*cur_arg], args[*cur_arg + 1]);
-					goto err;
-				}
 				newsrv->conn_src.tproxy_addr = *sk;
 				newsrv->conn_src.opts |= CO_SRC_TPROXY_ADDR;
 			}
@@ -872,16 +855,6 @@ static int srv_parse_socks4(char **args, int *cur_arg,
 	newsrv->flags |= SRV_F_SOCKS4_PROXY;
 	newsrv->socks4_addr = *sk;
 
-	if (port_low != port_high) {
-		ha_alert("'%s' does not support port offsets (found '%s').\n", args[*cur_arg], args[*cur_arg + 1]);
-		goto err;
-	}
-
-	if (port_low <= 0 || port_low > 65535) {
-		ha_alert("'%s': invalid port %d.\n", args[*cur_arg], port_low);
-		goto err;
-	}
-
 	return 0;
 
  err:
@@ -2073,13 +2046,6 @@ int parse_server(const char *file, int linenum, char **args, struct proxy *curpr
 				/* no port specified, +offset, -offset */
 				newsrv->flags |= SRV_F_MAPPORTS;
 			}
-			else if (port1 != port2) {
-				/* port range */
-				ha_alert("parsing [%s:%d] : '%s %s' : port ranges are not allowed in '%s'\n",
-				      file, linenum, args[0], args[1], args[2]);
-				err_code |= ERR_ALERT | ERR_FATAL;
-				goto out;
-			}
 
 			/* save hostname and create associated name resolution */
 			if (fqdn) {
diff --git a/src/tcpcheck.c b/src/tcpcheck.c
index f1382f768..1663ad83e 100644
--- a/src/tcpcheck.c
+++ b/src/tcpcheck.c
@@ -2237,12 +2237,6 @@ struct tcpcheck_rule *parse_tcpcheck_connect(char **args, int cur_arg, struct pr
 				goto error;
 			}
 
-			if (port1 != port2) {
-				memprintf(errmsg, "'%s' : port ranges and offsets are not allowed in '%s'\n",
-					  args[cur_arg], args[cur_arg+1]);
-				goto error;
-			}
-
 			cur_arg++;
 		}
 		else if (strcmp(args[cur_arg], "port") == 0) {