{"id":926178,"date":"2024-11-09T07:22:05","date_gmt":"2024-11-09T07:22:05","guid":{"rendered":"https:\/\/proxyelite.info\/?p=926178"},"modified":"2024-11-09T07:22:57","modified_gmt":"2024-11-09T07:22:57","slug":"what-is-a-proxy-port-default-ports-8080-443-and-3128-explained","status":"publish","type":"post","link":"https:\/\/proxyelite.info\/vi\/what-is-a-proxy-port-default-ports-8080-443-and-3128-explained\/","title":{"rendered":"Proxy Port l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh 8080, 443 v\u00e0 3128"},"content":{"rendered":"
S\u1ed1 c\u1ed5ng<\/th>Giao th\u1ee9c<\/th>S\u1eed d\u1ee5ng chung<\/th><\/tr><\/thead>
8080<\/td>HTTP<\/td>C\u1ed5ng HTTP thay th\u1ebf cho proxy v\u00e0 m\u00e1y ch\u1ee7 web<\/td><\/tr>
443<\/td>HTTPS<\/td>HTTP an to\u00e0n cho truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a<\/td><\/tr>
3128<\/td>HTTP<\/td>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh cho m\u00e1y ch\u1ee7 proxy Squid<\/td><\/tr>
80<\/td>HTTP<\/td>C\u1ed5ng ti\u00eau chu\u1ea9n cho l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp web kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi c\u1ed5ng proxy l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao m\u1ed9t s\u1ed1 c\u1ed5ng nh\u1ea5t \u0111\u1ecbnh nh\u01b0 8080, 443 v\u00e0 3128 l\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u01b0a? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch v\u1ec1 c\u1ed5ng proxy v\u00e0 s\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C\u1ed5ng Proxy l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n

C\u1ed5ng proxy l\u00e0 m\u1ed9t k\u00eanh k\u1ef9 thu\u1eadt s\u1ed1 m\u00e0 d\u1eef li\u1ec7u \u0111i qua gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n v\u00e0 internet th\u00f4ng qua m\u00e1y ch\u1ee7 proxy. M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian, chuy\u1ec3n ti\u1ebfp y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n \u0111\u1ebfn c\u00e1c trang web v\u00e0 tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i cho b\u1ea1n. S\u1ed1 c\u1ed5ng r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 cho m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n bi\u1ebft c\u1ed5ng n\u00e0o s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

C\u1ed5ng Proxy M\u1eb7c \u0111\u1ecbnh Ph\u1ed5 bi\u1ebfn<\/strong><\/p>\n\n\n\n

8080: C\u1ed5ng HTTP thay th\u1ebf<\/em><\/p>\n\n\n\n

C\u1ed5ng 8080 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf cho c\u1ed5ng HTTP m\u1eb7c \u0111\u1ecbnh 80. C\u1ed5ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c m\u00e1y ch\u1ee7 proxy v\u00e0 m\u00e1y ch\u1ee7 web khi c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c b\u1ecb qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng ch\u1eb7n. Nhi\u1ec1u m\u00e1y ch\u1ee7 proxy l\u1eafng nghe tr\u00ean c\u1ed5ng 8080 \u0111\u1ec3 ch\u1ea5p nh\u1eadn c\u00e1c k\u1ebft n\u1ed1i m\u00e1y kh\u00e1ch \u0111\u1ebfn.<\/p>\n\n\n\n

443: Truy\u1ec1n th\u00f4ng an to\u00e0n<\/em><\/p>\n\n\n\n

C\u1ed5ng 443 l\u00e0 c\u1ed5ng chu\u1ea9n cho l\u01b0u l\u01b0\u1ee3ng HTTPS, t\u1ee9c l\u00e0 HTTP qua Secure Sockets Layer (SSL) ho\u1eb7c Transport Layer Security (TLS). Khi b\u1ea1n truy c\u1eadp m\u1ed9t trang web s\u1eed d\u1ee5ng HTTPS, tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n s\u1ebd k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng 443 theo m\u1eb7c \u0111\u1ecbnh. C\u1ed5ng n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c giao d\u1ecbch tr\u1ef1c tuy\u1ebfn an to\u00e0n v\u00e0 truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/p>\n\n\n\n

3128: C\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u1ee7a Squid Proxy<\/em><\/p>\n\n\n\n

C\u1ed5ng 3128 l\u00e0 c\u1ed5ng m\u1eb7c \u0111\u1ecbnh cho m\u00e1y ch\u1ee7 proxy l\u01b0u tr\u1eef Squid. Squid \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 web b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef c\u00e1c y\u00eau c\u1ea7u l\u1eb7p l\u1ea1i. N\u1ebfu b\u1ea1n \u0111ang c\u1ea5u h\u00ecnh proxy Squid, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd s\u1eed d\u1ee5ng c\u1ed5ng 3128 tr\u1eeb khi b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh kh\u00e1c.<\/p>\n\n\n\n

C\u1ed5ng Proxy ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/strong><\/p>\n\n\n\n

C\u1ed5ng proxy ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111\u1ecbnh h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng qua m\u1ed9t k\u00eanh c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi m\u1ed9t s\u1ed1 c\u1ed5ng. Khi b\u1ea1n c\u1ea5u h\u00ecnh tr\u00ecnh duy\u1ec7t ho\u1eb7c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh \u0111\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy, b\u1ea1n ph\u1ea3i ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IP v\u00e0 s\u1ed1 c\u1ed5ng c\u1ee7a proxy. Thi\u1ebft l\u1eadp n\u00e0y cho ph\u00e9p c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7 proxy tr\u01b0\u1edbc khi \u0111\u1ebfn internet.<\/p>\n\n\n\n

T\u1ea1i sao c\u1ed5ng proxy m\u1eb7c \u0111\u1ecbnh l\u1ea1i quan tr\u1ecdng<\/strong><\/p>\n\n\n\n

S\u1eed d\u1ee5ng c\u1ed5ng proxy m\u1eb7c \u0111\u1ecbnh gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u1ea5u h\u00ecnh v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c giao th\u1ee9c chu\u1ea9n. Tuy nhi\u00ean, c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i, c\u00f3 th\u1ec3 khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i. \u0110\u00f4i khi, qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng thay \u0111\u1ed5i s\u1ed1 c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/p>\n\n\n\n

Thay \u0111\u1ed5i s\u1ed1 c\u1ed5ng Proxy<\/strong><\/p>\n\n\n\n

M\u1eb7c d\u00f9 c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh r\u1ea5t ti\u1ec7n l\u1ee3i, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n thay \u0111\u1ed5i ch\u00fang v\u00ec l\u00fd do b\u1ea3o m\u1eadt ho\u1eb7c \u0111\u1ec3 gi\u1ea3i quy\u1ebft xung \u0111\u1ed9t c\u1ed5ng. Vi\u1ec7c thay \u0111\u1ed5i c\u1ed5ng proxy y\u00eau c\u1ea7u c\u1eadp nh\u1eadt c\u00e0i \u0111\u1eb7t m\u00e1y ch\u1ee7 proxy v\u00e0 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb m\u00e1y kh\u00e1ch \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng m\u1edbi.<\/p>\n\n\n\n

C\u00e1ch c\u1ea5u h\u00ecnh c\u1ed5ng Proxy<\/strong><\/p>\n\n\n\n

\u0110\u1ec3 c\u1ea5u h\u00ecnh c\u1ed5ng proxy tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n

    \n
  1. M\u1edf c\u00e0i \u0111\u1eb7t m\u1ea1ng c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n
  2. \u0110i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn ph\u1ea7n c\u1ea5u h\u00ecnh proxy.<\/li>\n\n\n\n
  3. Nh\u1eadp \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 proxy.<\/li>\n\n\n\n
  4. Ch\u1ec9 \u0111\u1ecbnh s\u1ed1 c\u1ed5ng (v\u00ed d\u1ee5: 8080, 443, 3128).<\/li>\n\n\n\n
  5. L\u01b0u c\u00e0i \u0111\u1eb7t v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i tr\u00ecnh duy\u1ec7t ho\u1eb7c \u1ee9ng d\u1ee5ng n\u1ebfu c\u1ea7n.<\/li>\n<\/ol>\n\n\n\n

    C\u00e2n nh\u1eafc v\u1ec1 B\u1ea3o m\u1eadt<\/strong><\/p>\n\n\n\n

    S\u1eed d\u1ee5ng c\u00e1c c\u1ed5ng proxy chu\u1ea9n c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n g\u1eb7p r\u1ee7i ro v\u1ec1 b\u1ea3o m\u1eadt n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch. \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 proxy c\u1ee7a b\u1ea1n c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u01b0\u1eddng l\u1eeda v\u00e0 m\u00e3 h\u00f3a. Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 proxy kh\u00f4ng an to\u00e0n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi truy\u1ec1n d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/p>\n\n\n\n

    Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n

    Hi\u1ec3u c\u00e1c c\u1ed5ng proxy v\u00e0 s\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a ch\u00fang nh\u01b0 8080, 443 v\u00e0 3128 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u1ea5u h\u00ecnh m\u1ea1ng v\u00e0 \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c an to\u00e0n. Cho d\u00f9 b\u1ea1n \u0111ang thi\u1ebft l\u1eadp proxy \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1 nh\u00e2n hay qu\u1ea3n l\u00fd m\u1ea1ng c\u00f4ng ty, vi\u1ec7c bi\u1ebft c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ed5ng proxy s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt.<\/p>","protected":false},"excerpt":{"rendered":"

    Port Number Protocol Common Use 8080 HTTP Alternative HTTP port for proxy and web servers 443 HTTPS Secure HTTP for encrypted communications 3128 HTTP Default port for Squid proxy servers 80 HTTP Standard port for unencrypted web traffic Ever wondered what a proxy port is and why certain port numbers like 8080, 443, and 3128 […]<\/p>\n","protected":false},"author":1,"featured_media":926180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-926178","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/926178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/comments?post=926178"}],"version-history":[{"count":2,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/926178\/revisions"}],"predecessor-version":[{"id":926182,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/926178\/revisions\/926182"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/926180"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=926178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/categories?post=926178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/tags?post=926178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}