Squid http proxy2.7.STABLE8

HTTP/1.0 400 Bad Request
Server: squid/2.7.STABLE8
Date: Fri, 10 May 2024 11:59:56 GMT
Content-Type: text/html
Content-Length: 1450
X-Squid-Error: ERR_INVALID_REQ 0
X-Cache: MISS from win7x32
X-Cache-Lookup: NONE from win7x32:3128
Connection: close

HTTP/1.1 503 NETWORK DOWN