diff -ruN squid-2.5.STABLE1/src/access_log.c squid-2.5.STABLE1-patched/src/access_log.c
--- squid-2.5.STABLE1/src/access_log.c	2002-06-16 13:25:40.000000000 +0200
+++ squid-2.5.STABLE1-patched/src/access_log.c	2003-02-11 22:23:52.000000000 +0100
@@ -271,7 +271,7 @@
 	client = inet_ntoa(al->cache.caddr);
     user1 = accessLogFormatName(al->cache.authuser);
     user2 = accessLogFormatName(al->cache.rfc931);
-    logfilePrintf(logfile, "%s %s %s [%s] \"%s %s HTTP/%d.%d\" %d %ld %s:%s",
+    logfilePrintf(logfile, "%s %s %s [%s] \"%s %s HTTP/%d.%d\" %d %ld \"%s\" \"%s\" \"%s\" %s:%s",
 	client,
 	user2 ? user2 : dash_str,
 	user1 ? user1 : dash_str,
@@ -281,6 +281,9 @@
 	al->http.version.major, al->http.version.minor,
 	al->http.code,
 	(long int) al->cache.size,
+	al->http.referer,
+	al->http.agent,
+	al->http.cookie,
 	log_tags[al->cache.code],
 	hier_strings[al->hier.code]);
     safe_free(user1);
diff -ruN squid-2.5.STABLE1/src/client_side.c squid-2.5.STABLE1-patched/src/client_side.c
--- squid-2.5.STABLE1/src/client_side.c	2002-09-23 06:04:03.000000000 +0200
+++ squid-2.5.STABLE1-patched/src/client_side.c	2003-02-12 22:26:13.000000000 +0100
@@ -772,6 +772,10 @@
     ConnStateData *conn = http->conn;
     StoreEntry *e;
     request_t *request = http->request;
+    const HttpHeader *req_hdr = &request->header;
+    const char *agent;
+    const char *referer;
+    const char *cookie;
     MemObject *mem = NULL;
     debug(33, 3) ("httpRequestFree: %s\n", storeUrl(http->entry));
     if (!clientCheckTransferDone(http)) {
@@ -787,7 +791,10 @@
     if (http->entry)
 	mem = http->entry->mem_obj;
     if (http->out.size || http->log_type) {
-	http->al.icp.opcode = ICP_INVALID;
+       agent = httpHeaderGetStr(req_hdr, HDR_USER_AGENT);
+       referer = httpHeaderGetStr(req_hdr, HDR_REFERER);
+       cookie = httpHeaderGetStr(req_hdr, HDR_COOKIE);
+       http->al.icp.opcode = ICP_INVALID;
 	http->al.url = http->log_uri;
 	debug(33, 9) ("httpRequestFree: al.url='%s'\n", http->al.url);
 	if (mem) {
@@ -798,6 +805,9 @@
 	http->al.cache.size = http->out.size;
 	http->al.cache.code = http->log_type;
 	http->al.cache.msec = tvSubMsec(http->start, current_time);
+	http->al.http.agent = agent;
+	http->al.http.referer = referer;
+	http->al.http.cookie = cookie;
 	if (request) {
 	    Packer p;
 	    MemBuf mb;
diff -ruN squid-2.5.STABLE1/src/structs.h squid-2.5.STABLE1-patched/src/structs.h
--- squid-2.5.STABLE1/src/structs.h	2002-09-08 01:11:23.000000000 +0200
+++ squid-2.5.STABLE1-patched/src/structs.h	2003-02-11 22:05:57.000000000 +0100
@@ -1020,6 +1020,9 @@
 	int code;
 	const char *content_type;
 	http_version_t version;
+	const char *agent;
+	const char *referer;
+	const char *cookie;
     } http;
     struct {
 	icp_opcode opcode;