diff -wurNbB squid-2.3.STABLE3PR3/src/cache_cf.c squid-2.3.STABLE3PR4/src/cache_cf.c
--- squid-2.3.STABLE3PR3/src/cache_cf.c	Wed May 17 09:45:53 2000
+++ squid-2.3.STABLE3PR4/src/cache_cf.c	Wed May 17 09:51:59 2000
@@ -596,6 +596,7 @@
 		safe_free(cfg->names[i]);
 	}
 	aclDestroyAccessList(&cfg->access[i]);
+	aclDestroyAccessList(&cfg->reject);
     }
     delayFreeDelayData();
     xfree(cfg->class);
diff -wurNbB squid-2.3.STABLE3PR3/src/cf.data.pre squid-2.3.STABLE3PR4/src/cf.data.pre
--- squid-2.3.STABLE3PR3/src/cf.data.pre	Wed May 17 09:45:54 2000
+++ squid-2.3.STABLE3PR4/src/cf.data.pre	Wed May 17 09:51:59 2000
@@ -2828,6 +2828,20 @@
 		-> bits 17 through 32 are "c * 256 + d"
 DOC_END
 
+NAME: delay_reject
+TYPE: acl_access
+DEFAULT: none
+DEFAULT_IF_NONE: deny all
+IFDEF: DELAY_POOLS
+LOC: Config.Delay.reject
+DOC_START
+	This is used to avoid some acesses to be subject to delay pools
+	If matched, delay pools are bypassed.
+
+delay_reject allow all_internal_accesses
+delay_reject deny all
+DOC_END
+
 NAME: delay_access
 TYPE: delay_pool_access
 DEFAULT: none
diff -wurNbB squid-2.3.STABLE3PR3/src/delay_pools.c squid-2.3.STABLE3PR4/src/delay_pools.c
--- squid-2.3.STABLE3PR3/src/delay_pools.c	Wed May 17 09:49:35 2000
+++ squid-2.3.STABLE3PR4/src/delay_pools.c	Wed May 17 09:51:59 2000
@@ -323,6 +323,12 @@
 	debug(77, 2) ("delayClient: WARNING: Called with 'allones' address, ignoring\n");
 	return delayId(0, 0);
     }
+
+    if (aclCheckFast(Config.Delay.reject, &ch)) {
+       debug(77, 2) ("delayClient: This request bypasses delay pools\n" );
+       return delayId(0, 0);
+    }
+
     for (pool = 0; pool < Config.Delay.pools; pool++) {
 	if (aclCheckFast(Config.Delay.access[pool], &ch))
 	    break;
diff -wurNbB squid-2.3.STABLE3PR3/src/structs.h squid-2.3.STABLE3PR4/src/structs.h
--- squid-2.3.STABLE3PR3/src/structs.h	Wed May 17 09:45:54 2000
+++ squid-2.3.STABLE3PR4/src/structs.h	Wed May 17 09:51:59 2000
@@ -218,6 +218,7 @@
     unsigned char **names;
     delaySpecSet **rates;
     acl_access **access;
+    acl_access *reject;
 };
 
 #endif