我向我的 . 添加了大量域/etc/hosts，希望防止传出流量到这些站点。但是现在我发现我/etc/hosts的没有效果。它旨在用作原始的传出防火墙。
有谁知道为什么这些根本没有影响？
127.0.0.1 a.ns.facebook.com
127.0.0.1 b.ns.facebook.com
127.0.0.1 c.ns.facebook.com
127.0.0.1 d.ns.facebook.com
127.0.0.1 doubleclick.net
127.0.0.1 edge-star-mini-shv-01-any2.facebook.com
127.0.0.1 edge-star-mini-shv-01-atl3.facebook.com
127.0.0.1 securepubads.g.doubleclick.net
127.0.0.1 twitter.com
127.0.0.1 twimg.com
127.0.0.1 abs.twimg.com
127.0.0.1 pbs.twimg.com
127.0.0.1 apps.facebook.com
127.0.0.1 connect.facebook.net
127.0.0.1 facebook.com
127.0.0.1 fbcdn.com
127.0.0.1 fbsbx.com
127.0.0.1 fbcdn.net
127.0.0.1 graph.facebook.com
127.0.0.1 login.facebook.com
127.0.0.1 s-static.ak.facebook.com
127.0.0.1 static.ak.connect.facebook.com
127.0.0.1 static.ak.fbcdn.net
127.0.0.1 www.connect.facebook.net
127.0.0.1 www.facebook.com
127.0.0.1 www.fbcdn.com
127.0.0.1 www.fbcdn.net
127.0.0.1 www.graph.facebook.com
127.0.0.1 www.login.facebook.com
127.0.0.1 www.s-static.ak.facebook.com
127.0.0.1 www.static.ak.connect.facebook.com
127.0.0.1 www.static.ak.fbcdn.net
127.0.0.1 0-edge-chat.facebook.com
127.0.0.1 1-edge-chat.facebook.com
127.0.0.1 2-edge-chat.facebook.com
127.0.0.1 3-edge-chat.facebook.com
127.0.0.1 4-edge-chat.facebook.com
127.0.0.1 5-edge-chat.facebook.com
127.0.0.1 6-edge-chat.facebook.com
127.0.0.1 alpha-shv-03-ash5.facebook.com
127.0.0.1 alpha-shv-03-atn1.facebook.com
127.0.0.1 alpha-shv-03-lla1.facebook.com
127.0.0.1 alpha-shv-04-prn2.facebook.com
127.0.0.1 alpha-shv-09-frc1.facebook.com
127.0.0.1 alpha.vvv.facebook.com
127.0.0.1 a.ns.facebook.com
127.0.0.1 api.facebook.com
127.0.0.1 atlasalpha-shv-09-frc3.facebook.com
127.0.0.1 atlas.c10r.facebook.com
127.0.0.1 atlasinyour-shv-05-ash3.facebook.com
127.0.0.1 atlas-shv-01-prn2.facebook.com
127.0.0.1 atlas-shv-04-lla1.facebook.com
127.0.0.1 atlas-shv-05-ash3.facebook.com
127.0.0.1 atlas-shv-06-ash2.facebook.com
127.0.0.1 atlas-shv-06-frc1.facebook.com
127.0.0.1 atlas-shv-07-lla1.facebook.com
127.0.0.1 atlas-shv-09-frc3.facebook.com
127.0.0.1 atlas-shv-13-prn1.facebook.com
127.0.0.1 atlas-www-shv-04-prn2.facebook.com
127.0.0.1 atlas-www-shv-07-ash4.facebook.com
127.0.0.1 atlas-www-shv-09-frc1.facebook.com
127.0.0.1 aura-11-01-snc7.facebook.com
127.0.0.1 badge.facebook.com
127.0.0.1 b-api.facebook.com
127.0.0.1 beta-chat-01-05-ash3.facebook.com
127.0.0.1 betanet-shv-03-atn1.facebook.com
127.0.0.1 betanet-shv-03-lla1.facebook.com
127.0.0.1 betanet-shv-04-prn2.facebook.com
127.0.0.1 betanet-shv-09-frc1.facebook.com
127.0.0.1 beta-shv-03-atn1.facebook.com
127.0.0.1 beta-shv-03-lla1.facebook.com
127.0.0.1 beta-shv-04-prn2.facebook.com
127.0.0.1 beta-shv-09-frc1.facebook.com
127.0.0.1 beta.vvv.facebook.com
127.0.0.1 b-graph.facebook.com
127.0.0.1 bidder-shv-05-frc3.facebook.com
127.0.0.1 bidder-shv-10-frc1.facebook.com
127.0.0.1 b.ns.facebook.com
127.0.0.1 channel-proxy-shv-04-frc3.facebook.com
127.0.0.1 channel-proxy-shv-06-ash2.facebook.com
127.0.0.1 channel-proxy-shv-07-ash2.facebook.com
127.0.0.1 channel-proxy-shv-13-prn1.facebook.com
127.0.0.1 channel-proxy-test-shv-07-ash2.facebook.com
127.0.0.1 code.facebook.com
127.0.0.1 connect.facebook.com
127.0.0.1 dev.vvv.facebook.com
127.0.0.1 d.vvv.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-01-ash5.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-03-ash5.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-07-ash4.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-07-frc3.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-09-frc1.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-12-frc1.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-12-frc3.facebook.com
127.0.0.1 edge-atlas-proxyprotocol-shv-13-frc1.facebook.com
127.0.0.1 edge-atlas-shv-01-ams2.facebook.com
127.0.0.1 edge-atlas-shv-01-ams3.facebook.com
127.0.0.1 edge-atlas-shv-01-ash5.facebook.com
127.0.0.1 edge-atlas-shv-01-atl1.facebook.com
127.0.0.1 edge-atlas-shv-01-bru2.facebook.com
127.0.0.1 edge-atlas-shv-01-cai1.facebook.com
127.0.0.1 edge-atlas-shv-01-cdg2.facebook.com
127.0.0.1 edge-atlas-shv-01-dfw1.facebook.com
127.0.0.1 edge-atlas-shv-01-fra3.facebook.com
127.0.0.1 edge-atlas-shv-01-gru1.facebook.com
127.0.0.1 edge-atlas-shv-01-hkg2.facebook.com
127.0.0.1 edge-atlas-shv-01-iad3.facebook.com
127.0.0.1 edge-atlas-shv-01-kul1.facebook.com
127.0.0.1 edge-atlas-shv-01-lax1.facebook.com
127.0.0.1 edge-atlas-shv-01-lga1.facebook.com
127.0.0.1 edge-atlas-shv-01-lhr3.facebook.com
127.0.0.1 edge-atlas-shv-01-mad1.facebook.com
127.0.0.1 edge-atlas-shv-01-mia1.facebook.com
127.0.0.1 edge-atlas-shv-01-mxp1.facebook.com
127.0.0.1 edge-atlas-shv-01-nrt1.facebook.com
127.0.0.1 edge-atlas-shv-01-ord1.facebook.com
127.0.0.1 edge-atlas-shv-01-sea1.facebook.com
127.0.0.1 edge-atlas-shv-01-sin1.facebook.com
127.0.0.1 edge-atlas-shv-01-sjc2.facebook.com
127.0.0.1 edge-atlas-shv-01-syd1.facebook.com
127.0.0.1 edge-atlas-shv-01-vie1.facebook.com
127.0.0.1 edge-atlas-shv-02-cai1.facebook.com
127.0.0.1 edge-atlas-shv-02-hkg2.facebook.com
127.0.0.1 edge-atlas-shv-03-ash5.facebook.com
127.0.0.1 edge-atlas-shv-03-atn1.facebook.com
127.0.0.1 edge-atlas-shv-03-hkg1.facebook.com
127.0.0.1 edge-atlas-shv-03-lla1.facebook.com
127.0.0.1 edge-atlas-shv-03-prn2.facebook.com
127.0.0.1 edge-atlas-shv-03-xdc1.facebook.com
127.0.0.1 edge-atlas-shv-04-hkg1.facebook.com
127.0.0.1 edge-atlas-shv-04-prn2.facebook.com
127.0.0.1 edge-atlas-shv-06-atn1.facebook.com
127.0.0.1 edge-atlas-shv-06-lla1.facebook.com
127.0.0.1 edge-atlas-shv-07-ash4.facebook.com
127.0.0.1 edge-atlas-shv-09-frc1.facebook.com
127.0.0.1 edge-atlas-shv-09-lla1.facebook.com
127.0.0.1 edge-atlas-shv-12-frc1.facebook.com
127.0.0.1 edge-atlas-shv-12-frc3.facebook.com
127.0.0.1 edge-atlas-shv-12-lla1.facebook.com
127.0.0.1 edge-atlas-shv-12-prn1.facebook.com
127.0.0.1 edge-atlas-shv-13-frc1.facebook.com
127.0.0.1 edge-atlas-shv-17-prn1.facebook.com
127.0.0.1 edge-atlas-shv-18-prn1.facebook.com
127.0.0.1 edge-chat.facebook.com
127.0.0.1 edge-liverail-shv-01-ams2.facebook.com
127.0.0.1 edge-liverail-shv-01-ams3.facebook.com
127.0.0.1 edge-liverail-shv-01-ash5.facebook.com
127.0.0.1 edge-liverail-shv-01-atl1.facebook.com
127.0.0.1 edge-liverail-shv-01-bru2.facebook.com
127.0.0.1 edge-liverail-shv-01-cai1.facebook.com
127.0.0.1 edge-liverail-shv-01-cdg2.facebook.com
127.0.0.1 edge-liverail-shv-01-dfw1.facebook.com
127.0.0.1 edge-liverail-shv-01-fra3.facebook.com
127.0.0.1 edge-liverail-shv-01-gru1.facebook.com
127.0.0.1 edge-liverail-shv-01-hkg2.facebook.com
127.0.0.1 edge-liverail-shv-01-iad3.facebook.com
127.0.0.1 edge-liverail-shv-01-kul1.facebook.com
127.0.0.1 edge-liverail-shv-01-lax1.facebook.com
127.0.0.1 edge-liverail-shv-01-lga1.facebook.com
127.0.0.1 edge-liverail-shv-01-lhr3.facebook.com
127.0.0.1 edge-liverail-shv-01-mad1.facebook.com
127.0.0.1 edge-liverail-shv-01-mia1.facebook.com
127.0.0.1 edge-liverail-shv-01-mxp1.facebook.com
127.0.0.1 edge-liverail-shv-01-nrt1.facebook.com
127.0.0.1 edge-liverail-shv-01-ord1.facebook.com
127.0.0.1 edge-liverail-shv-01-sea1.facebook.com
127.0.0.1 edge-liverail-shv-01-sin1.facebook.com
127.0.0.1 edge-liverail-shv-01-sjc2.facebook.com
127.0.0.1 edge-liverail-shv-01-syd1.facebook.com
127.0.0.1 edge-liverail-shv-01-tpe1.facebook.com
127.0.0.1 edge-liverail-shv-01-vie1.facebook.com
127.0.0.1 edge-liverail-shv-02-cai1.facebook.com
127.0.0.1 edge-liverail-shv-02-hkg2.facebook.com
127.0.0.1 edge-liverail-shv-03-ash5.facebook.com
127.0.0.1 edge-liverail-shv-03-atn1.facebook.com
127.0.0.1 edge-liverail-shv-03-hkg1.facebook.com
127.0.0.1 edge-liverail-shv-03-lla1.facebook.com
127.0.0.1 edge-liverail-shv-03-prn2.facebook.com
127.0.0.1 edge-liverail-shv-03-xdc1.facebook.com
127.0.0.1 edge-liverail-shv-04-hkg1.facebook.com
127.0.0.1 edge-liverail-shv-04-prn2.facebook.com
127.0.0.1 edge-liverail-shv-06-atn1.facebook.com
127.0.0.1 edge-liverail-shv-06-lla1.facebook.com
127.0.0.1 edge-liverail-shv-07-ash4.facebook.com
127.0.0.1 edge-liverail-shv-07-frc3.facebook.com
127.0.0.1 edge-liverail-shv-09-frc1.facebook.com
127.0.0.1 edge-liverail-shv-09-lla1.facebook.com
127.0.0.1 edge-liverail-shv-12-frc1.facebook.com
127.0.0.1 edge-liverail-shv-12-frc3.facebook.com
127.0.0.1 edge-liverail-shv-12-lla1.facebook.com
127.0.0.1 edge-liverail-shv-12-prn1.facebook.com
127.0.0.1 edge-liverail-shv-13-frc1.facebook.com
127.0.0.1 edge-liverail-shv-17-prn1.facebook.com
127.0.0.1 edge-liverail-shv-18-prn1.facebook.com
127.0.0.1 edge-mqtt.facebook.com
127.0.0.1 edge-mqtt-shv-01-ams2.facebook.com
127.0.0.1 edge-mqtt-shv-01-ams3.facebook.com
127.0.0.1 edge-mqtt-shv-01-ash5.facebook.com
127.0.0.1 edge-mqtt-shv-01-atl1.facebook.com
127.0.0.1 edge-mqtt-shv-01-bru2.facebook.com
127.0.0.1 edge-mqtt-shv-01-cai1.facebook.com
127.0.0.1 edge-mqtt-shv-01-cdg2.facebook.com
127.0.0.1 edge-mqtt-shv-01-dfw1.facebook.com
127.0.0.1 edge-mqtt-shv-01-fra3.facebook.com
127.0.0.1 edge-mqtt-shv-01-gru1.facebook.com
127.0.0.1 edge-mqtt-shv-01-hkg2.facebook.com
127.0.0.1 edge-mqtt-shv-01-iad3.facebook.com
127.0.0.1 edge-mqtt-shv-01-kul1.facebook.com
127.0.0.1 edge-mqtt-shv-01-lax1.facebook.com
127.0.0.1 edge-mqtt-shv-01-lga1.facebook.com
127.0.0.1 edge-mqtt-shv-01-lhr3.facebook.com
127.0.0.1 edge-mqtt-shv-01-mad1.facebook.com
127.0.0.1 edge-mqtt-shv-01-mia1.facebook.com
127.0.0.1 edge-mqtt-shv-01-mxp1.facebook.com
127.0.0.1 edge-mqtt-shv-01-nrt1.facebook.com
127.0.0.1 edge-mqtt-shv-01-ord1.facebook.com
127.0.0.1 edge-mqtt-shv-01-sea1.facebook.com
127.0.0.1 edge-mqtt-shv-01-sin1.facebook.com
127.0.0.1 edge-mqtt-shv-01-sjc2.facebook.com
127.0.0.1 edge-mqtt-shv-01-syd1.facebook.com
127.0.0.1 edge-mqtt-shv-01-tpe1.facebook.com
127.0.0.1 edge-mqtt-shv-01-vie1.facebook.com
127.0.0.1 edge-mqtt-shv-02-cai1.facebook.com
127.0.0.1 edge-mqtt-shv-02-hkg2.facebook.com
127.0.0.1 edge-mqtt-shv-03-ash5.facebook.com
127.0.0.1 edge-mqtt-shv-03-atn1.facebook.com
127.0.0.1 edge-mqtt-shv-03-hkg1.facebook.com
127.0.0.1 edge-mqtt-shv-03-lla1.facebook.com
127.0.0.1 edge-mqtt-shv-03-prn2.facebook.com
127.0.0.1 edge-mqtt-shv-03-xdc1.facebook.com
127.0.0.1 edge-mqtt-shv-04-hkg1.facebook.com
127.0.0.1 edge-mqtt-shv-04-prn2.facebook.com
127.0.0.1 edge-mqtt-shv-06-atn1.facebook.com
127.0.0.1 edge-mqtt-shv-06-lla1.facebook.com
127.0.0.1 edge-mqtt-shv-07-ash4.facebook.com
127.0.0.1 edge-mqtt-shv-07-frc3.facebook.com
127.0.0.1 edge-mqtt-shv-09-lla1.facebook.com
127.0.0.1 edge-mqtt-shv-12-frc1.facebook.com
127.0.0.1 edge-mqtt-shv-12-frc3.facebook.com
127.0.0.1 edge-mqtt-shv-12-lla1.facebook.com
127.0.0.1 edge-mqtt-shv-12-prn1.facebook.com
127.0.0.1 edge-mqtt-shv-13-frc1.facebook.com
127.0.0.1 edge-mqtt-shv-17-prn1.facebook.com
127.0.0.1 edge-mqtt-shv-18-prn1.facebook.com
127.0.0.1 edgeray-origin-shv-05-prn2.facebook.com
127.0.0.1 edgeray-origin-shv-07-lla1.facebook.com
127.0.0.1 edgeray-origin-shv-09-frc3.facebook.com
127.0.0.1 edgeray-origin-shv-11-frc3.facebook.com
127.0.0.1 edgeray-shv-01-ams2.facebook.com
127.0.0.1 edgeray-shv-01-ams3.facebook.com
127.0.0.1 edgeray-shv-01-atl1.facebook.com
127.0.0.1 edgeray-shv-01-bru2.facebook.com
127.0.0.1 edgeray-shv-01-cdg2.facebook.com
127.0.0.1 edgeray-shv-01-dfw1.facebook.com
127.0.0.1 edgeray-shv-01-fra3.facebook.com
127.0.0.1 edgeray-shv-01-gru1.facebook.com
127.0.0.1 edgeray-shv-01-iad3.facebook.com
127.0.0.1 edgeray-shv-01-kul1.facebook.com
127.0.0.1 edgeray-shv-01-lax1.facebook.com
127.0.0.1 edgeray-shv-01-lga1.facebook.com
127.0.0.1 edgeray-shv-01-lhr3.facebook.com
127.0.0.1 edgeray-shv-01-mad1.facebook.com
127.0.0.1 edgeray-shv-01-mia1.facebook.com
127.0.0.1 edgeray-shv-01-mxp1.facebook.com
127.0.0.1 edgeray-shv-01-ord1.facebook.com
127.0.0.1 edgeray-shv-01-sea1.facebook.com
127.0.0.1 edgeray-shv-01-sin1.facebook.com
127.0.0.1 edgeray-shv-01-sjc2.facebook.com
127.0.0.1 edgeray-shv-01-syd1.facebook.com
127.0.0.1 edgeray-shv-01-vie1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-ams3.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-atl1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-bru2.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-cai1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-cdg2.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-dfw1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-fra3.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-gru1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-iad3.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-kul1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-lax1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-lhr3.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-mad1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-nrt1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-ord1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-sea1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-01-syd1.facebook.com
127.0.0.1 edge-snaptu-http-p1-shv-02-cai1.facebook.com
127.0.0.1 edge-snaptu-tunnel-shv-01-ams3.facebook.com
127.0.0.1 edge-snaptu-tunnel-shv-01-ash5.facebook.com
127.0.0.1 edge-snaptu-tunnel-shv-01-atl1.facebook.com
127.0.0.1 edge-snaptu-tunnel-shv-01-bru2.facebook.com
127.0.0.1 edge-snaptu-tunnel-shv-01-cai1.facebook.com
在没有像样的应用程序防火墙的情况下，一种方法是：
这至少有效。
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