Dear all I run a new transparent proxy with WCCP v.2 and squid 2.6 and it run work good but squid is restart always and when I checked the cache log I found one of these two errors appear every time before the service start please could any one inform me with the cause of this problem. The errors: - assertion failed: client_side.c:2485: "i->prefix_size > 0" - assertion failed: http.c:1182: "strstr(url, strBuf(request->urlpath))" Eng . Hamed Adel Senior Network Engineer Mail: hamedadel@xxxxxxxxxxxxxxxx Tel : +2 0502528897 Mob: +2 0103503888 Fax: +2 0502528897 Web site: www.egyptnetwork.com