{"id":478966,"date":"2023-08-09T09:41:04","date_gmt":"2023-08-09T09:41:04","guid":{"rendered":""},"modified":"2023-09-05T11:17:55","modified_gmt":"2023-09-05T11:17:55","slug":"sftp-server","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/sftp-server\/","title":{"rendered":"m\u00e1y ch\u1ee7 SFTP"},"content":{"rendered":"<p>M\u00e1y ch\u1ee7 SFTP (Giao th\u1ee9c truy\u1ec1n t\u1ec7p an to\u00e0n) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 truy\u1ec1n t\u1ec7p qua m\u1ea1ng, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n. N\u00f3 cung c\u1ea5p gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n cho FTP (Giao th\u1ee9c truy\u1ec1n t\u1ec7p) truy\u1ec1n th\u1ed1ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u01b0u tr\u1eef trang web, qu\u1ea3n l\u00fd t\u1ec7p t\u1eeb xa v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa h\u1ec7 th\u1ed1ng m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a m\u00e1y ch\u1ee7 SFTP v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>L\u1ecbch s\u1eed c\u1ee7a SFTP c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1990 khi n\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u01b0 m\u1ed9t ph\u1ea7n m\u1edf r\u1ed9ng cho giao th\u1ee9c SSH (Secure Shell). Giao th\u1ee9c SSH do Tatu Yl\u00f6nen t\u1ea1o ra v\u00e0o n\u0103m 1995, nh\u1eb1m gi\u1ea3i quy\u1ebft c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt trong c\u00e1c ph\u01b0\u01a1ng th\u1ee9c \u0111\u0103ng nh\u1eadp t\u1eeb xa truy\u1ec1n th\u1ed1ng nh\u01b0 Telnet v\u00e0 rlogin. Sau \u0111\u00f3, Yl\u00f6nen v\u00e0 nh\u00f3m c\u1ee7a \u00f4ng \u0111\u00e3 m\u1edf r\u1ed9ng SSH \u0111\u1ec3 bao g\u1ed3m kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ec7p an to\u00e0n, khai sinh ra SFTP.<\/p>\n<p>S\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 SFTP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong Giao th\u1ee9c truy\u1ec1n t\u1ec7p SSH (SFTP) phi\u00ean b\u1ea3n 1, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong Internet-Draft Draft-ietf-secsh-filexfer-02 v\u00e0 \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n v\u00e0o th\u00e1ng 1 n\u0103m 2001.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 m\u00e1y ch\u1ee7 SFTP<\/h2>\n<p>SFTP ho\u1ea1t \u0111\u1ed9ng tr\u00ean k\u00eanh b\u1ea3o m\u1eadt, t\u1eadn d\u1ee5ng m\u00e3 h\u00f3a \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n v\u00e0 x\u00e1c th\u1ef1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7. N\u00f3 cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 FTP, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea3i l\u00ean, t\u1ea3i xu\u1ed1ng, \u0111\u1ed5i t\u00ean v\u00e0 thao t\u00e1c th\u01b0 m\u1ee5c, nh\u01b0ng c\u00f3 c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt n\u00e2ng cao.<\/p>\n<p>SFTP s\u1eed d\u1ee5ng giao th\u1ee9c SSH \u0111\u1ec3 li\u00ean l\u1ea1c, thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. N\u00f3 th\u01b0\u1eddng c\u00f3 s\u1eb5n tr\u00ean c\u1ed5ng TCP 22, c\u00f9ng c\u1ed5ng \u0111\u01b0\u1ee3c SSH s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua SFTP v\u1eabn \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt kh\u1ecfi nh\u1eefng k\u1ebb nghe tr\u1ed9m ti\u1ec1m n\u0103ng.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u00e1y ch\u1ee7 SFTP v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u00e1y ch\u1ee7 SFTP \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng con SSH. Khi m\u00e1y kh\u00e1ch c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 SFTP, c\u00e1c b\u01b0\u1edbc sau s\u1ebd x\u1ea3y ra:<\/p>\n<ol>\n<li>\n<p><strong>X\u00e1c th\u1ef1c:<\/strong> M\u00e1y kh\u00e1ch cung c\u1ea5p th\u00f4ng tin x\u00e1c th\u1ef1c c\u1ee7a n\u00f3 cho m\u00e1y ch\u1ee7 \u0111\u1ec3 x\u00e1c th\u1ef1c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn x\u00e1c th\u1ef1c d\u1ef1a tr\u00ean m\u1eadt kh\u1ea9u, x\u00e1c th\u1ef1c kh\u00f3a chung ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c kh\u00e1c \u0111\u01b0\u1ee3c giao th\u1ee9c SSH h\u1ed7 tr\u1ee3.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u1ebft l\u1eadp k\u00eanh an to\u00e0n:<\/strong> Sau khi \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c, m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 s\u1ebd thi\u1ebft l\u1eadp m\u1ed9t k\u00eanh b\u1ea3o m\u1eadt b\u1eb1ng thu\u1eadt to\u00e1n m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c th\u01b0\u01a1ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh b\u1eaft tay SSH. K\u00eanh b\u1ea3o m\u1eadt n\u00e0y b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n gi\u1eefa ch\u00fang.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1edfi t\u1ea1o h\u1ec7 th\u1ed1ng con:<\/strong> Sau khi k\u00eanh b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, h\u1ec7 th\u1ed1ng con SFTP \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o tr\u00ean m\u00e1y ch\u1ee7, cho ph\u00e9p m\u00e1y kh\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng truy\u1ec1n t\u1ec7p.<\/p>\n<\/li>\n<li>\n<p><strong>Chuy\u1ec3n t\u1eadp tin:<\/strong> Gi\u1edd \u0111\u00e2y, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 g\u1eedi l\u1ec7nh SFTP \u0111\u1ec3 y\u00eau c\u1ea7u truy\u1ec1n t\u1ec7p, danh s\u00e1ch th\u01b0 m\u1ee5c v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng qu\u1ea3n l\u00fd t\u1ec7p kh\u00e1c. M\u00e1y ch\u1ee7 ph\u1ea3n h\u1ed3i nh\u1eefng y\u00eau c\u1ea7u n\u00e0y v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ea7n thi\u1ebft.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u1ea5m d\u1ee9t phi\u00ean:<\/strong> Sau khi qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ec7p ho\u00e0n t\u1ea5t, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 ch\u1ea5m d\u1ee9t phi\u00ean SFTP, \u0111\u00f3ng k\u00eanh b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u00e1y ch\u1ee7 SFTP<\/h2>\n<p>M\u00e1y ch\u1ee7 SFTP cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn \u0111\u1ec3 truy\u1ec1n t\u1ec7p an to\u00e0n:<\/p>\n<ol>\n<li>\n<p><strong>M\u00e3 h\u00f3a:<\/strong> SFTP s\u1eed d\u1ee5ng m\u00e3 h\u00f3a \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u kh\u1ecfi b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0 gi\u1ea3 m\u1ea1o.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00f9y ch\u1ecdn x\u00e1c th\u1ef1c:<\/strong> SFTP h\u1ed7 tr\u1ee3 nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c kh\u00e1c nhau, bao g\u1ed3m m\u1eadt kh\u1ea9u, kh\u00f3a chung v\u00e0 x\u00e1c th\u1ef1c t\u01b0\u01a1ng t\u00e1c b\u00e0n ph\u00edm, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 b\u1ea3o m\u1eadt n\u00e2ng cao.<\/p>\n<\/li>\n<li>\n<p><strong>To\u00e0n v\u1eb9n d\u1eef li\u1ec7u:<\/strong> B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c k\u00eanh m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt, SFTP \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u, gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u1ecfng ho\u1eb7c thao t\u00fang d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n<\/li>\n<li>\n<p><strong>N\u1ec1n t\u1ea3ng \u0111\u1ed9c l\u1eadp:<\/strong> SFTP \u0111\u1ed9c l\u1eadp v\u1edbi n\u1ec1n t\u1ea3ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn linh ho\u1ea1t \u0111\u1ec3 truy\u1ec1n t\u1ec7p \u0111a n\u1ec1n t\u1ea3ng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u01b0\u1eddng l\u1eeda th\u00e2n thi\u1ec7n:<\/strong> SFTP ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ed9t c\u1ed5ng duy nh\u1ea5t (th\u01b0\u1eddng l\u00e0 c\u1ed5ng 22), gi\u00fap n\u00f3 th\u00e2n thi\u1ec7n v\u1edbi t\u01b0\u1eddng l\u1eeda v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i m\u00e1y ch\u1ee7 SFTP<\/h2>\n<p>Ch\u1ee7 y\u1ebfu c\u00f3 hai lo\u1ea1i m\u00e1y ch\u1ee7 SFTP:<\/p>\n<ol>\n<li>\n<p><strong>M\u00e1y ch\u1ee7 SFTP \u0111\u1ed9c l\u1eadp:<\/strong> Lo\u1ea1i m\u00e1y ch\u1ee7 SFTP n\u00e0y ch\u1ea1y nh\u01b0 m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u1ed9c l\u1eadp tr\u00ean m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng ho\u1eb7c m\u00e1y \u1ea3o. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n v\u00e0 qu\u1ea3n l\u00fd t\u1eadp tin c\u1ea5p doanh nghi\u1ec7p.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e1y ch\u1ee7 SFTP nh\u00fang:<\/strong> M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng v\u00e0 thi\u1ebft b\u1ecb t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng m\u00e1y ch\u1ee7 SFTP trong h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ec7p an to\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n m\u00e1y ch\u1ee7 SFTP ri\u00eang.<\/p>\n<\/li>\n<\/ol>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh c\u1ee7a hai lo\u1ea1i:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>M\u00e1y ch\u1ee7 SFTP \u0111\u1ed9c l\u1eadp<\/th>\n<th>M\u00e1y ch\u1ee7 SFTP nh\u00fang<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tri\u1ec3n khai<\/td>\n<td>Y\u00eau c\u1ea7u m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng ho\u1eb7c VM<\/td>\n<td>\u0110\u01b0\u1ee3c t\u00edch h\u1ee3p trong m\u1ed9t \u1ee9ng d\u1ee5ng\/thi\u1ebft b\u1ecb<\/td>\n<\/tr>\n<tr>\n<td>Uy\u1ec3n chuy\u1ec3n<\/td>\n<td>Cung c\u1ea5p nhi\u1ec1u t\u00f9y ch\u1ecdn c\u1ea5u h\u00ecnh v\u00e0 ki\u1ec3m so\u00e1t h\u01a1n<\/td>\n<td>T\u00f9y ch\u1ecdn c\u1ea5u h\u00ecnh h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5 t\u00e0i nguy\u00ean<\/td>\n<td>C\u00f3 th\u1ec3 ti\u00eau th\u1ee5 nhi\u1ec1u t\u00e0i nguy\u00ean h\u01a1n<\/td>\n<td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/td>\n<td>C\u00f3 th\u1ec3 m\u1edf r\u1ed9ng d\u1ef1a tr\u00ean t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7<\/td>\n<td>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng m\u00e1y ch\u1ee7<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o tr\u00ec v\u00e0 c\u1eadp nh\u1eadt<\/td>\n<td>C\u1eadp nh\u1eadt v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ed9c l\u1eadp<\/td>\n<td>C\u1eadp nh\u1eadt v\u1edbi \u1ee9ng d\u1ee5ng\/thi\u1ebft b\u1ecb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 SFTP, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 SFTP:<\/h3>\n<ol>\n<li>\n<p><strong>Trang web l\u01b0u tr\u1eef:<\/strong> SFTP th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n qu\u1ea3n l\u00fd v\u00e0 t\u1ea3i l\u00ean t\u1ec7p an to\u00e0n cho ch\u1ee7 s\u1edf h\u1eefu trang web.<\/p>\n<\/li>\n<li>\n<p><strong>Sao l\u01b0u v\u00e0 ph\u1ee5c h\u1ed3i:<\/strong> SFTP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n v\u00e0 l\u01b0u tr\u1eef c\u00e1c t\u1ec7p sao l\u01b0u ngo\u1ea1i vi m\u1ed9t c\u00e1ch an to\u00e0n, \u0111\u1ea3m b\u1ea3o d\u1ef1 ph\u00f2ng d\u1eef li\u1ec7u v\u00e0 kh\u1eafc ph\u1ee5c th\u1ea3m h\u1ecda.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n ph\u1ed1i ph\u1ea7n m\u1ec1m:<\/strong> C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 nh\u00e0 cung c\u1ea5p ph\u1ea7n m\u1ec1m s\u1eed d\u1ee5ng SFTP \u0111\u1ec3 ph\u00e2n ph\u1ed1i c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt v\u00e0 b\u1ea3n v\u00e1 ph\u1ea7n m\u1ec1m m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n<\/li>\n<li>\n<p><strong>Chia s\u1ebb t\u00e0i li\u1ec7u:<\/strong> C\u00e1c t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng SFTP \u0111\u1ec3 chia s\u1ebb an to\u00e0n c\u00e1c t\u00e0i li\u1ec7u nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed1i t\u00e1c, kh\u00e1ch h\u00e0ng v\u00e0 nh\u00e2n vi\u00ean.<\/p>\n<\/li>\n<\/ol>\n<h3>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a h\u1ecd:<\/h3>\n<ol>\n<li>\n<p><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i:<\/strong> \u0110\u00f4i khi, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i do s\u1ef1 c\u1ed1 m\u1ea1ng ho\u1eb7c c\u1ea5u h\u00ecnh sai. Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 x\u00e1c minh c\u00e0i \u0111\u1eb7t m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 v\u1eady.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ed7i x\u00e1c th\u1ef1c:<\/strong> Th\u00f4ng tin x\u00e1c th\u1ef1c kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i x\u00e1c th\u1ef1c. Ki\u1ec3m tra k\u1ef9 th\u00f4ng tin \u0111\u0103ng nh\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 xem l\u1ea1i c\u00e0i \u0111\u1eb7t x\u00e1c th\u1ef1c c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ed7i truy\u1ec1n t\u1ec7p:<\/strong> L\u1ed7i truy\u1ec1n t\u1ec7p c\u00f3 th\u1ec3 x\u1ea3y ra do kh\u00f4ng \u0111\u1ee7 dung l\u01b0\u1ee3ng \u1ed5 \u0111\u0129a, v\u1ea5n \u0111\u1ec1 v\u1ec1 quy\u1ec1n ho\u1eb7c k\u00fd t\u1ef1 kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 trong t\u00ean t\u1ec7p. \u0110\u1ea3m b\u1ea3o \u0111\u1ee7 dung l\u01b0\u1ee3ng v\u00e0 quy\u1ec1n th\u00edch h\u1ee3p tr\u00ean m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110i\u1ec3m ngh\u1ebdn hi\u1ec7u su\u1ea5t:<\/strong> L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1eed d\u1ee5ng nhi\u1ec1u t\u00e0i nguy\u00ean c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1eafc ngh\u1ebdn hi\u1ec7u su\u1ea5t. T\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 v\u00e0 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m b\u1edbt nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>M\u00e1y ch\u1ee7 SFTP<\/th>\n<th>FTPS (FTP b\u1ea3o m\u1eadt)<\/th>\n<th>FTP (Giao th\u1ee9c truy\u1ec1n t\u1ec7p)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Giao th\u1ee9c<\/td>\n<td>D\u1ef1a tr\u00ean SSH<\/td>\n<td>D\u1ef1a tr\u00ean SSL\/TLS<\/td>\n<td>X\u00f3a v\u0103n b\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o v\u1ec7<\/td>\n<td>\u0110\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt<\/td>\n<td>\u0110\u01b0\u1ee3c m\u00e3 h\u00f3a nh\u01b0ng k\u00e9m an to\u00e0n h\u01a1n<\/td>\n<td>Kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a<\/td>\n<\/tr>\n<tr>\n<td>H\u1ea3i c\u1ea3ng<\/td>\n<td>Th\u00f4ng th\u01b0\u1eddng c\u1ed5ng 22<\/td>\n<td>Th\u01b0\u1eddng l\u00e0 c\u1ed5ng 990 (\u1ea9n) ho\u1eb7c 21<\/td>\n<td>Th\u00f4ng th\u01b0\u1eddng c\u1ed5ng 21<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c th\u1ef1c<\/td>\n<td>Nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c (m\u1eadt kh\u1ea9u, kh\u00f3a, v.v.)<\/td>\n<td>Nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c (m\u1eadt kh\u1ea9u, kh\u00f3a, v.v.)<\/td>\n<td>D\u1ef1a tr\u00ean m\u1eadt kh\u1ea9u<\/td>\n<\/tr>\n<tr>\n<td>To\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/td>\n<td>\u0110\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1eb1ng m\u00e3 h\u00f3a SSH<\/td>\n<td>\u0110\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1eb1ng m\u00e3 h\u00f3a SSL\/TLS<\/td>\n<td>Kh\u00f4ng \u0111\u1ea3m b\u1ea3o<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u01b0\u1eddng l\u1eeda<\/td>\n<td>Th\u00e2n thi\u1ec7n v\u1edbi t\u01b0\u1eddng l\u1eeda tr\u00ean c\u1ed5ng 22<\/td>\n<td>Y\u00eau c\u1ea7u c\u1ed5ng b\u1ed5 sung cho t\u01b0\u1eddng l\u1eeda<\/td>\n<td>Y\u00eau c\u1ea7u c\u1ed5ng b\u1ed5 sung cho t\u01b0\u1eddng l\u1eeda<\/td>\n<\/tr>\n<tr>\n<td>N\u1ec1n t\u1ea3ng \u0111\u1ed9c l\u1eadp<\/td>\n<td>H\u1ed7 tr\u1ee3 \u0111a n\u1ec1n t\u1ea3ng<\/td>\n<td>H\u1ed7 tr\u1ee3 \u0111a n\u1ec1n t\u1ea3ng<\/td>\n<td>N\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn m\u00e1y ch\u1ee7 SFTP<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, vi\u1ec7c tri\u1ec3n khai m\u00e1y ch\u1ee7 SFTP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb nh\u1eefng ti\u1ebfn b\u1ed9 trong thu\u1eadt to\u00e1n m\u00e3 h\u00f3a, c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t. Ngo\u00e0i ra, vi\u1ec7c t\u00edch h\u1ee3p v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y v\u00e0 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi cho vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 SFTP.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi m\u00e1y ch\u1ee7 SFTP<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi m\u00e1y ch\u1ee7 SFTP \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 hi\u1ec7u su\u1ea5t trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ec7p. M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 SFTP, chuy\u1ec3n ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u SFTP trong khi \u1ea9n danh t\u00ednh v\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y kh\u00e1ch. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp \u1ea9n danh v\u00e0 ng\u0103n ch\u1eb7n vi\u1ec7c m\u00e1y ch\u1ee7 SFTP ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ea1ng c\u00f4ng c\u1ed9ng, gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1ed9c h\u1ea1i.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 m\u00e1y ch\u1ee7 SFTP v\u00e0 c\u00e1c ch\u1ee7 \u0111\u1ec1 li\u00ean quan, vui l\u00f2ng tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/SSH_File_Transfer_Protocol\" target=\"_new\" rel=\"noopener nofollow\">Giao th\u1ee9c truy\u1ec1n t\u1ec7p SSH (SFTP) \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc4253\" target=\"_new\" rel=\"noopener nofollow\">Giao th\u1ee9c SSH \u2013 IETF<\/a><\/li>\n<li><a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc4251\" target=\"_new\" rel=\"noopener nofollow\">V\u1ecf b\u1ea3o m\u1eadt (SSH) \u2013 IETF<\/a><\/li>\n<li><a href=\"https:\/\/www.ssh.com\/ssh\/sftp\/\" target=\"_new\" rel=\"noopener nofollow\">Giao th\u1ee9c truy\u1ec1n t\u1ec7p an to\u00e0n (SFTP) \u2013 SSH.COM<\/a><\/li>\n<\/ol>","protected":false},"featured_media":478967,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478966","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>SFTP Server: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is an SFTP server and how does it differ from regular FTP?","answer":"<p>An SFTP (Secure File Transfer Protocol) server is a secure method for transferring files over a network, ensuring data integrity and confidentiality during transmission. It operates over a secure channel, leveraging encryption and authentication to protect data and ensure only authorized users can access the server. Unlike regular FTP (File Transfer Protocol), which operates over clear text, SFTP encrypts all data, making it significantly more secure.<\/p>"},{"question":"How did SFTP servers originate, and when was it first mentioned?","answer":"<p>The history of SFTP can be traced back to the early 1990s when it was developed as an extension to the SSH (Secure Shell) protocol. The first mention of SFTP can be found in the SSH File Transfer Protocol (SFTP) version 1, published in January 2001 as the Internet-Draft draft-ietf-secsh-filexfer-02.<\/p>"},{"question":"How does an SFTP server work, and what is its internal structure?","answer":"<p>An SFTP server works by establishing a secure channel between the client and the server using the SSH protocol. The server authenticates the client, and once the secure channel is established, the SFTP subsystem is initialized, allowing file transfer operations. The internal structure of the SFTP server is built upon the SSH subsystem architecture, providing a secure environment for file management.<\/p>"},{"question":"What are the key features of an SFTP server?","answer":"<p>SFTP servers offer several key features, including encryption, authentication options, data integrity, platform independence, and firewall-friendliness. The use of encryption ensures secure data transmission, while various authentication methods provide flexibility and enhanced security. Additionally, SFTP is platform-independent and operates on a single firewall-friendly port, making it easy to manage.<\/p>"},{"question":"What are the different types of SFTP servers?","answer":"<p>There are primarily two types of SFTP servers: stand-alone SFTP servers and embedded SFTP servers. Stand-alone servers run independently on dedicated servers or virtual machines and offer more configuration options, while embedded servers are integrated into applications or devices, providing a more efficient and limited configuration option.<\/p>"},{"question":"How can I use an SFTP server, and what are the common problems and solutions?","answer":"<p>SFTP servers are commonly used for website hosting, backup and recovery, software distribution, and document sharing. Common problems with SFTP include connection issues, authentication failures, file transfer failures, and performance bottlenecks. These issues can be resolved by troubleshooting network connectivity, verifying server settings, checking user credentials, and optimizing server resources.<\/p>"},{"question":"How does an SFTP server compare to FTPS and regular FTP?","answer":"<p>SFTP stands out from FTPS and regular FTP in terms of security, as it encrypts all data during transmission. FTPS also offers encryption but is less secure than SFTP. Regular FTP, on the other hand, operates over clear text, making it the least secure option among the three.<\/p>"},{"question":"What are the future perspectives and technologies related to SFTP servers?","answer":"<p>As technology evolves, SFTP servers are likely to benefit from advancements in encryption algorithms, authentication mechanisms, and performance optimizations. Integration with cloud-based storage solutions and seamless integration with modern web applications could open up new possibilities for SFTP server usage.<\/p>"},{"question":"How can proxy servers be used with SFTP servers?","answer":"<p>Proxy servers can be used with SFTP servers to enhance security and privacy during file transfers. They act as intermediaries between clients and SFTP servers, forwarding requests while hiding the client's identity and IP address. This provides an extra layer of anonymity and reduces the risk of unauthorized access or attacks on the SFTP server.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478966\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478967"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}