--- libhttpd.c.orig	2003-12-25 20:06:05.000000000 +0100
+++ libhttpd.c	2005-01-09 00:26:04.867255248 +0100
@@ -2207,6 +2207,18 @@
 		if ( strcasecmp( cp, "keep-alive" ) == 0 )
 		    hc->keep_alive = 1;
 		}
+	    else if ( strncasecmp( buf, "X-Forwarded-For:", 16 ) == 0 )
+		{ // Use real IP if available 
+		cp = &buf[16];
+		cp += strspn( cp, " \t" );
+#ifdef USE_IPV6
+		if (strchr(cp, '.') == NULL)
+		    inet_pton( AF_INET6, cp,
+			&(hc->client_addr.sa_in6.sin6_addr) );
+		else
+#endif
+		inet_aton( cp, &(hc->client_addr.sa_in.sin_addr) );
+	        }
 #ifdef LOG_UNKNOWN_HEADERS
 	    else if ( strncasecmp( buf, "Accept-Charset:", 15 ) == 0 ||
 		      strncasecmp( buf, "Accept-Language:", 16 ) == 0 ||
