Squid configuration directive ignore_expect_100 Available in: 2.7 3.1 This directive is not available in the v7 version of Squid. This directive is not available in the v6 version of Squid. This directive is not available in the v5 version of Squid. This directive is not available in the v4 version of Squid. For older versions than v4 see the linked pages above Configuration Details: Option Name