Subscribe to the Internet Storm Center YouTube Channel
¦Cªí®É¶¡: Fri Apr 19 11:50:00 2024
¤U¦C¸ê®ÆºK¦Û: ±Ð¨|³¡ TANet ANTI-SPAM ºô¶ 1.¦ó¿× mail spam ? mail spam ¬°±N¤@¥÷¬Û¦P¤º®eªº¹q¤l«H¥ó°eµ¹«Ü¦h¤H¡A³q±`«H¥óªº¤º®e³£¬O¤@¨Ç°Ó·~¼s§i¡A³o¨Ç spam ¦b Internet ¬O«Ü¤£¨üÅwªïªº¡A¦]¬°¦¬«H¤H»Ýªá¶O¼·±µ®É¼Æ¥h¦¬³o¨Ç©U§£«H¥ó¡A¦Ó±H«HªÌ¬°¤F¤£³Q§ì¨ì³£·|¨Ï¥Î°²ªº E-mail address ¤Î§Q¥Î¨ä¥¦³æ¦ìªº mail server§@¬° relay ¨Ó°e«H¡C 2.¦p¦óÁקK³Q·í¦¨ relay ? ¦pªG§Aªº mail server ¬O UNIX ¨t²Îªº¸Ü½Ð upgrade §Aªº sendmail ¨ì 8.9 ª©¡C ¦pªG§Aªº mail server ¬O microsoft exchange «h½Ð¼t°Ó§ó·s¨ì³Ì·sª©¨Ã±N¨¾¤î spam ªº³]©w³]¤W¥h¡C ¤@¯ëªº³]©w¬O¥u¤¹³\¶Q³æ¦ì¤ºªº IP ±N SMTP server ³]¨ì¸Ó mail server¡A¨ä¥L³æ¦ìªº IP ³£À³©Úµ´¡A´N¦p¦P news server ¤@¼Ë¥u¤¹³\³æ¦ì¤ºªº¤H post¡C 3.Proxy Server·|±H«H? ¦MÀIªºOpen Proxy ³Ìªñ¼ÆÓ¤ë¡A°¸¦³¬Y¨Ç³s½u³æ¦ìªºproxy server¡A³Q±Ð¨|³¡¦C¬° mail spamªº¦W³æ¤¤¡A³ÌªñÃþ¦üªº®×¨Ò¦³³vº¥¼W¥[ªºÁͶաA³o¬O¦]¬°proxy ¥¼©wªA°È¹ï¶Hªº½d³ò¡A§ðÀ»ªÌ´N·|§Q¥Î³o¨Çproxy server·í¤¤Ä~¯¸¡A¨Ó«Ø¥ßsmtp©ÎtelnetªºªA°È¡A¥H±Hµo¤j¶q¼s§i«H©Î§ðÀ»¤º³¡ºô¸ô¡C 4.Ó¤H¹q¸£³Q«ÊÂê? ¥i¯à¤¤¬r©Î³Q´Ó¤J«áªùµ{¦¡ ³\¦h¨Ï¥ÎªÌ¦Û¤v¨Ã¥¼µo¼s§i«H(SPAM)¡B¤]¨S¦³scan¥L¤H¥D¾÷¡B§ó¨S¦³µo°ÊªýÂ_¦¡§ðÀ»¡A¥i¬O«o±µÀòÀËÁ|©Î©ê«è¡C³oºØ±¡§Îµo¥Í®É¡A¦³¥i¯à¬O³Q´Ó¤J«áªùµ{¦¡¡A«Øij¨Ï¥ÎªÌ¥H¨¾¬r³nÅé°µ¥þ¾÷±½ºË¡A¦ý¬O¤£¤@©wÔ¨C¦¸³£¥i¥H±½ºË¥X«áªùµ{¦¡©Î¤ì°¨µ{¦¡¡A¦³®ÉԨ̨¾¬r³nÅé¤Î¯f¬rºØÃþ¤£¦P¡AÁöµM¤¤¬r«o«oµLªk¥¿½T±½ºË¥X¡C