{"id":476078,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:58","modified_gmt":"2023-09-05T11:11:58","slug":"bogon-filtering","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/bogon-filtering\/","title":{"rendered":"L\u1ecdc Bogon"},"content":{"rendered":"<p>L\u1ecdc Bogon \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c trong m\u1ea1ng m\u00e1y t\u00ednh n\u01a1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP v\u00e0 m\u1ea1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cbogon\u201d b\u1ecb ch\u1eb7n. Bogon, trong l\u0129nh v\u1ef1c b\u1ea3o m\u1eadt m\u00e1y t\u00ednh, l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 IP b\u1ea5t h\u1ee3p ph\u00e1p r\u01a1i v\u00e0o m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c \u0111\u1ecba ch\u1ec9 IP ch\u01b0a \u0111\u01b0\u1ee3c vi\u1ec7n \u0111\u0103ng k\u00fd internet ch\u00ednh th\u1ee9c g\u00e1n cho m\u1ed9t th\u1ef1c th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 C\u01a1 quan c\u1ea5p s\u1ed1 hi\u1ec7u Internet (IANA). K\u1ef9 thu\u1eadt n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i v\u00e0 c\u1ea3i thi\u1ec7n an ninh m\u1ea1ng.<\/p>\n<h2>Truy t\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a l\u1ecdc Bogon<\/h2>\n<p>Nh\u1eefng \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 b\u1ed9 l\u1ecdc Bogon b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a Internet khi nhu c\u1ea7u v\u1ec1 c\u00e1c bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng n\u00e2ng cao b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n. Khi Internet m\u1edf r\u1ed9ng v\u1ec1 quy m\u00f4 v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p, nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng b\u1ea5t h\u1ee3p ph\u00e1p b\u1eaft \u0111\u1ea7u n\u1ea3y sinh, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecba ch\u1ec9 IP b\u1ea5t h\u1ee3p ph\u00e1p ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0y n\u00eau b\u1eadt s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a m\u1ed9t c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt hi\u1ec7u qu\u1ea3 nh\u01b0 l\u1ecdc Bogon.<\/p>\n<p>V\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2000, thu\u1eadt ng\u1eef \u201cbogon\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t ra, b\u1eaft ngu\u1ed3n t\u1eeb t\u1eeb \u201ckh\u00f4ng c\u00f3 th\u1eadt\u201d v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 nh\u1eefng \u0111\u1ecba ch\u1ec9 IP tr\u00e1i ph\u00e9p n\u00e0y. Ngay sau \u0111\u00f3, kh\u00e1i ni\u1ec7m l\u1ecdc bogon \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00ednh th\u1ee9c h\u00f3a v\u00e0 \u00e1p d\u1ee5ng b\u1edfi nhi\u1ec1u t\u1ed5 ch\u1ee9c kh\u00e1c nhau nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba ch\u1ed1ng l\u1ea1i vi\u1ec7c truy c\u1eadp m\u1ea1ng tr\u00e1i ph\u00e9p v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u1ea1i.<\/p>\n<h2>M\u1ed9t c\u00e1i nh\u00ecn m\u1edf r\u1ed9ng v\u1ec1 l\u1ecdc Bogon<\/h2>\n<p>L\u1ecdc Bogon l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho an ninh m\u1ea1ng. C\u00e1c m\u1ea1ng \u00e1p d\u1ee5ng b\u1ed9 l\u1ecdc bogon \u0111\u1ec3 ng\u0103n ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 ho\u1eb7c d\u00e0nh ri\u00eang, h\u1ea1n ch\u1ebf m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 c\u00e1c vect\u01a1 c\u00f3 s\u1eb5n cho c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng. Ph\u1ea1m vi l\u1ecdc Bogon m\u1edf r\u1ed9ng \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecba ch\u1ec9 IP b\u1ea5t h\u1ee3p ph\u00e1p, bao g\u1ed3m c\u00e1c \u0111\u1ecba ch\u1ec9 IP d\u00e0nh ri\u00eang, v\u00f9ng IP ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 v\u00e0 c\u00e1c \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ea1ng ri\u00eang.<\/p>\n<p>B\u1eb1ng c\u00e1ch tri\u1ec3n khai t\u00ednh n\u0103ng l\u1ecdc Bogon, m\u1ea1ng c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1ea3 m\u1ea1o v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro ti\u1ec1m \u1ea9n t\u1eeb nhi\u1ec1u m\u1ed1i \u0111e d\u1ecda m\u1ea1ng nh\u01b0 t\u1ea5n c\u00f4ng T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DoS), chi\u1ebfm \u0111o\u1ea1t \u0111\u1ecbnh tuy\u1ebfn, v.v. Tuy nhi\u00ean, b\u1ed9 l\u1ecdc bogon c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean v\u00ec vi\u1ec7c ph\u00e2n b\u1ed5 \u0111\u1ecba ch\u1ec9 IP thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n<h2>Ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u1ee7a l\u1ecdc Bogon<\/h2>\n<p>L\u1ecdc Bogon ho\u1ea1t \u0111\u1ed9ng ch\u1ee7 y\u1ebfu th\u00f4ng qua Danh s\u00e1ch \u0111i\u1ec1u khi\u1ec3n truy c\u1eadp (ACL) tr\u00ean b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn m\u1ea1ng v\u00e0 t\u01b0\u1eddng l\u1eeda. ACL v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 c\u00e1c quy t\u1eafc x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IP n\u00e0o \u0111\u01b0\u1ee3c ph\u00e9p ho\u1eb7c b\u1ecb ch\u1eb7n. Trong tr\u01b0\u1eddng h\u1ee3p l\u1ecdc Bogon, ACL s\u1ebd ch\u1ee9a danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecba ch\u1ec9 IP bogon \u0111\u00e3 bi\u1ebft. Khi g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c t\u01b0\u1eddng l\u1eeda, \u0111\u1ecba ch\u1ec9 IP c\u1ee7a g\u00f3i s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u1ef1a tr\u00ean ACL. N\u1ebfu n\u00f3 tr\u00f9ng kh\u1edbp v\u1edbi \u0111\u1ecba ch\u1ec9 IP bogon th\u00ec g\u00f3i tin s\u1ebd b\u1ecb t\u1eeb ch\u1ed1i.<\/p>\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 do IANA \u0111\u1ecbnh k\u1ef3 ph\u00e2n b\u1ed5 c\u00e1c kh\u1ed1i \u0111\u1ecba ch\u1ec9 IP m\u1edbi n\u00ean danh s\u00e1ch \u0111\u1ecba ch\u1ec9 IP bogon c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo th\u1eddi gian. V\u00ec v\u1eady, \u0111\u1ec3 b\u1ed9 l\u1ecdc bogon ph\u00e1t huy hi\u1ec7u qu\u1ea3, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean danh s\u00e1ch \u0111\u1ecba ch\u1ec9 IP bogon m\u1edbi nh\u1ea5t.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a l\u1ecdc Bogon<\/h2>\n<ol>\n<li>\n<p><strong>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt:<\/strong> B\u1ed9 l\u1ecdc Bogon b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng ti\u1ec1m \u1ea9n b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ho\u1eb7c b\u1ea5t h\u1ee3p ph\u00e1p.<\/p>\n<\/li>\n<li>\n<p><strong>Ng\u0103n ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1ea3 m\u1ea1o:<\/strong> B\u1eb1ng c\u00e1ch ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP tr\u00e1i ph\u00e9p, t\u00ednh n\u0103ng l\u1ecdc Bogon c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 vi\u1ec7c gi\u1ea3 m\u1ea1o IP, trong \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng ng\u1ee5y trang \u0111\u1ecba ch\u1ec9 IP c\u1ee7a h\u1ecd \u0111\u1ec3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ea1ng \u0111\u00e1ng tin c\u1eady.<\/p>\n<\/li>\n<li>\n<p><strong>C\u1ea7n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean:<\/strong> Do t\u00ednh ch\u1ea5t thay \u0111\u1ed5i c\u1ee7a vi\u1ec7c ph\u00e2n b\u1ed5 \u0111\u1ecba ch\u1ec9 IP, danh s\u00e1ch bogon c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p th\u1ef1c hi\u1ec7n:<\/strong> Vi\u1ec7c tri\u1ec3n khai b\u1ed9 l\u1ecdc bogon \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 \u0111\u1ecba ch\u1ec9 v\u00e0 \u0111\u1ecbnh tuy\u1ebfn IP, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a c\u1ea5u h\u00ecnh m\u1ea1ng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i l\u1ecdc Bogon<\/h2>\n<p>L\u1ecdc Bogon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai lo\u1ea1i d\u1ef1a tr\u00ean ph\u1ea1m vi \u0111\u1ecba ch\u1ec9 IP m\u00e0 ch\u00fang ch\u1eb7n:<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\"><strong>Lo\u1ea1i l\u1ecdc Bogon<\/strong><\/th>\n<th style=\"text-align: left;\"><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>L\u1ecdc Bogon \u0111\u1ea7y \u0111\u1ee7<\/strong><\/td>\n<td style=\"text-align: left;\">C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u1eb7n c\u1ea3 \u0111\u1ecba ch\u1ec9 IP ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 v\u00e0 \u0111\u1ecba ch\u1ec9 IP ri\u00eang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1ea1ng c\u1ee5c b\u1ed9 kh\u00f4ng xu\u1ea5t hi\u1ec7n trong l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp Internet c\u00f4ng c\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>L\u1ecdc Bogon m\u1ed9t ph\u1ea7n<\/strong><\/td>\n<td style=\"text-align: left;\">C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y ch\u1ec9 ch\u1eb7n c\u00e1c \u0111\u1ecba ch\u1ec9 IP ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5. \u0110\u00e2y l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c l\u1ecdc Bogon \u00edt nghi\u00eam ng\u1eb7t h\u01a1n v\u00e0 cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP ri\u00eang t\u01b0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn l\u1ecdc Bogon<\/h2>\n<p>L\u1ecdc Bogon th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng trong c\u00e1c t\u1ed5 ch\u1ee9c l\u1edbn, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u \u0111\u1ec3 ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i. B\u1ea5t ch\u1ea5p nh\u1eefng l\u1ee3i \u00edch c\u1ee7a n\u00f3, m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c n\u1ea3y sinh khi s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc Bogon.<\/p>\n<p>Th\u00e1ch th\u1ee9c quan tr\u1ecdng nh\u1ea5t l\u00e0 nhu c\u1ea7u c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean v\u00ec danh s\u00e1ch \u0111\u1ecba ch\u1ec9 IP bogon thay \u0111\u1ed5i theo th\u1eddi gian. Vi\u1ec7c kh\u00f4ng c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng mong mu\u1ed1n ho\u1eb7c ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u1ee3p ph\u00e1p, d\u1eabn \u0111\u1ebfn c\u00e1c vi ph\u1ea1m b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n ho\u1eb7c gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/p>\n<p>M\u1ed9t th\u00e1ch th\u1ee9c kh\u00e1c l\u00e0 s\u1ef1 ph\u1ee9c t\u1ea1p trong vi\u1ec7c tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd c\u00e1c b\u1ed9 l\u1ecdc Bogon. N\u00f3 \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c m\u1ea1ng quan tr\u1ecdng v\u00e0 c\u1ea5u h\u00ecnh c\u1ea9n th\u1eadn. C\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng khi\u1ebfn m\u1ea1ng g\u1eb7p ph\u1ea3i c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ed5 sung.<\/p>\n<p>\u0110\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd cung c\u1ea5p danh s\u00e1ch bogon c\u1eadp nh\u1eadt v\u00e0 \u0111\u1ea3m b\u1ea3o c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c. C\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng danh s\u00e1ch bogon c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch \u0111\u1ec3 gi\u1eef cho b\u1ed9 l\u1ecdc ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n<h2>L\u1ecdc Bogon: So s\u00e1nh v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\"><strong>T\u00ednh n\u0103ng<\/strong><\/th>\n<th style=\"text-align: left;\"><strong>L\u1ecdc Bogon<\/strong><\/th>\n<th style=\"text-align: left;\"><strong>T\u01b0\u1eddng l\u1eeda ti\u00eau chu\u1ea9n<\/strong><\/th>\n<th style=\"text-align: left;\"><strong>H\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp (IPS)<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Kh\u00e1ch quan<\/strong><\/td>\n<td style=\"text-align: left;\">Ng\u0103n ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 ho\u1eb7c tr\u00e1i ph\u00e9p<\/td>\n<td style=\"text-align: left;\">Ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o m\u1ea1ng<\/td>\n<td style=\"text-align: left;\">Ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Ph\u01b0\u01a1ng ph\u00e1p<\/strong><\/td>\n<td style=\"text-align: left;\">S\u1eed d\u1ee5ng ACL \u0111\u1ec3 ch\u1eb7n IP Bogon \u0111\u00e3 bi\u1ebft<\/td>\n<td style=\"text-align: left;\">S\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc \u0111\u1ec3 cho ph\u00e9p ho\u1eb7c ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee5 th\u1ec3<\/td>\n<td style=\"text-align: left;\">S\u1eed d\u1ee5ng ch\u1eef k\u00fd ho\u1eb7c ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>T\u1ea7n s\u1ed1 c\u1eadp nh\u1eadt<\/strong><\/td>\n<td style=\"text-align: left;\">C\u1ea7n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean do thay \u0111\u1ed5i ph\u00e2n b\u1ed5 IP<\/td>\n<td style=\"text-align: left;\">C\u00e1c quy t\u1eafc \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u1ef1a tr\u00ean nh\u1eefng thay \u0111\u1ed5i v\u1ec1 ch\u00ednh s\u00e1ch<\/td>\n<td style=\"text-align: left;\">C\u1ea7n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 lu\u00f4n c\u1eadp nh\u1eadt kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m t\u01b0\u01a1ng lai v\u00e0 c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn l\u1ecdc Bogon<\/h2>\n<p>Khi b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, ph\u1ea1m vi v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 l\u1ecdc Bogon c\u0169ng v\u1eady. S\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a IPv6, phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a Giao th\u1ee9c Internet, mang l\u1ea1i nhi\u1ec1u \u0111\u1ecba ch\u1ec9 IP h\u01a1n v\u00e0 sau \u0111\u00f3 l\u00e0 ph\u1ea1m vi m\u1edf r\u1ed9ng c\u1ee7a c\u00e1c \u0111\u1ecba ch\u1ec9 bogon ti\u1ec1m n\u0103ng.<\/p>\n<p>Nh\u1eefng ti\u1ebfn b\u1ed9 trong h\u1ecdc m\u00e1y v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 t\u0103ng c\u01b0\u1eddng l\u1ecdc bogon, c\u00f3 kh\u1ea3 n\u0103ng cho ph\u00e9p nh\u1eadn d\u1ea1ng theo th\u1eddi gian th\u1ef1c v\u00e0 ch\u1eb7n c\u00e1c \u0111\u1ecba ch\u1ec9 IP tr\u00e1i ph\u00e9p.<\/p>\n<h2>S\u1ef1 giao nhau c\u1ee7a m\u00e1y ch\u1ee7 proxy v\u00e0 l\u1ecdc Bogon<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 internet. H\u1ecd c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng l\u1ecdc Bogon nh\u01b0 m\u1ed9t ph\u1ea7n trong c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u1ee7a m\u00ecnh. V\u1edbi t\u00ednh n\u0103ng l\u1ecdc Bogon, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP b\u1ea5t h\u1ee3p ph\u00e1p ho\u1eb7c tr\u00e1i ph\u00e9p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, t\u1eeb \u0111\u00f3 n\u00e2ng cao t\u00ednh b\u1ea3o m\u1eadt cho d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd.<\/p>\n<p>M\u1eb7t kh\u00e1c, c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 proxy c\u00f3 uy t\u00edn, ch\u1eb3ng h\u1ea1n nh\u01b0 OneProxy, \u0111\u1ea3m b\u1ea3o nh\u00f3m \u0111\u1ecba ch\u1ec9 IP c\u1ee7a h\u1ecd kh\u00f4ng n\u1eb1m trong b\u1ea5t k\u1ef3 danh s\u00e1ch kh\u00f4ng c\u00f3 th\u1eadt n\u00e0o, duy tr\u00ec s\u1ef1 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd. S\u1ef1 li\u00ean k\u1ebft n\u00e0y v\u1edbi c\u00e1c nguy\u00ean t\u1eafc l\u1ecdc Bogon g\u00f3p ph\u1ea7n n\u00e2ng cao \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 proxy.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 l\u1ecdc Bogon v\u00e0 c\u00e1c ch\u1ee7 \u0111\u1ec1 li\u00ean quan, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/team-cymru.com\/community-services\/bogon-reference\/\" target=\"_new\" rel=\"noopener nofollow\">T\u00e0i li\u1ec7u tham kh\u1ea3o Bogon c\u1ee7a \u0111\u1ed9i Cymru<\/a><\/li>\n<li><a href=\"https:\/\/www.iana.org\/\" target=\"_new\" rel=\"noopener nofollow\">C\u01a1 quan qu\u1ea3n l\u00fd s\u1ed1 \u0111\u01b0\u1ee3c g\u00e1n Internet (IANA)<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/ip\/border-gateway-protocol-bgp\/43820-bogon.html\" target=\"_new\" rel=\"noopener nofollow\">L\u1ecdc Bogon v\u00e0 sao H\u1ecfa<\/a><\/li>\n<li><a href=\"https:\/\/www.internetsociety.org\/resources\/doc\/2018\/ipv6-and-cyber-security\/\" target=\"_new\" rel=\"noopener nofollow\">IPv6 v\u00e0 an ninh m\u1ea1ng<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476079,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476078","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Bogon Filtering: A Deep Dive into the Cyber World<\/mark>","faq_items":[{"question":"What is Bogon Filtering?","answer":"<p>Bogon filtering is a strategy in computer networking that involves blocking traffic from illegitimate or unassigned IP addresses, known as \"bogons\". This technique is employed to prevent potentially malicious activities and to enhance network security.<\/p>"},{"question":"What is the origin of Bogon Filtering?","answer":"<p>The concept of Bogon filtering emerged in the early days of the internet when illicit activities using unauthorized IP addresses began to increase. The term \"bogon\" was coined in the early 2000s, referring to these unauthorized IP addresses. Bogon filtering was soon adopted as a preventative measure against unauthorized and potentially harmful network access.<\/p>"},{"question":"How does Bogon Filtering work?","answer":"<p>Bogon filtering operates primarily through Access Control Lists (ACLs) on network routers and firewalls. These lists contain all known bogon IP addresses. When a data packet arrives, the IP address of the packet is checked against the ACL. If the IP address is a match with a bogon address, the packet is rejected.<\/p>"},{"question":"What are the key features of Bogon Filtering?","answer":"<p>The key features of Bogon filtering include enhancing security by blocking potentially harmful network traffic, preventing IP spoofing, requiring regular updates due to the dynamic nature of IP address allocations, and the complexity involved in its deployment and management.<\/p>"},{"question":"What are the types of Bogon Filtering?","answer":"<p>There are primarily two types of Bogon filtering based on the scope of IP addresses they block: Full Bogon Filtering that blocks both unallocated IP addresses and private IP addresses, and Partial Bogon Filtering which only blocks unallocated IP addresses.<\/p>"},{"question":"What are the challenges and solutions related to Bogon Filtering?","answer":"<p>The major challenges with Bogon filtering include the need for regular updates as the list of bogon IP addresses changes over time, and the complexity of deploying and managing Bogon filters. These challenges can be overcome by using managed security services, ensuring correct configurations, and scheduling automated updates of bogon lists.<\/p>"},{"question":"How is Bogon Filtering related to Proxy Servers?","answer":"<p>Proxy servers can utilize Bogon filtering as part of their security measures to block traffic from illegitimate or unauthorized IP addresses, enhancing the security of their service. Reputable proxy service providers ensure their pool of IP addresses are not on any bogon lists, maintaining the trust and accessibility of their services.<\/p>"},{"question":"What is the future of Bogon Filtering?","answer":"<p>As the digital landscape evolves, so too will Bogon filtering. With the ongoing development of IPv6, there will be an expanded range of potential bogon addresses. Advancements in machine learning and AI could also be leveraged to automate and enhance bogon filtering, allowing for real-time identification and blocking of unauthorized IP addresses.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476078","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\/476078\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476079"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}