Shunze ¾Ç¶é >¸ê°T³]³Æ±M°Ï >Sophos XG > ¡m¤À¨É¡nDoS¶i¶¥³]©w «¢Åo¡AÁÙ¨S¦³µù¥U©ÎªÌµn¤J¡C½Ð§A[µù¥U|µn¤J]
« ¤W¤@½g¥DÃD ¤U¤@½g¥DÃD » Åã¥Ü¦¨¦C¦L¼Ò¦¡ | ¼W¥[¨ì§Úªº³Ì·R
µoªí·s¥DÃD µoªí¦^ÂÐ
§@ªÌ
¥DÃD
shunze
¤u¤Í§B§B


µù¥U¤é´Á: 2002 04
¨Ó¦Û: ¼é¦Á²×¤î¤§¦a
¤å³¹: 2380

shunze Â÷½u
¡m¤À¨É¡nDoS¶i¶¥³]©w¤Þ¥Î¦^ÂÐ ½s¿è/§R°£¤å³¹ ·j´M¥Ñ  µoªíªº¨ä¥L¤å³¹ ¦^³øµ¹ª©¥D IP ¦ì¸m ¦^¦¹­¶³Ì¤W¤è

Sophos XGÄ~©Ó¦ÛCyberoam¦³´£¨Ñ²³æªºDoS¨¾Å@³]©w¡C



³o²³æªºDoS¨¾Å@¤À¬°SYN/UDP/TCP/ICMP¥|¤jÃþªºflood»Ö­È³]©w¡A
¥u­n¶W¥X³]©w­È¡A¦h¾lªº«Ê¥]´N·|³Q¥á±ó¡C
¦Ó³Q¥á±óªº«Ê¥]¼Æ¶q«h·|¥X²{¦b²Ä¤@­Ó­¶­±ªºDoS Attacks²Î­pªí¤¤¡C



¤£¹L³o­ÓWebUIªºDoS¨¾Å@¨ä¹ê¬Û·í¶§¬K¡A«h¤F¿ï¾Ü¨Ó·½ºÝ©Î¥ØªººÝªº±Ò¥Î»P§_»P»Ö­È¥~¡A
µLªk°µ¨ì¨ä¥¦½Ñ¦p¬Y­Ó¤¶­±©ÎZone¨ì¥t¤@­Ó°Ï°ìªº²Ó¶µ³]©w¡C

¦b¤W¤FSophos XGªºArchitect½Òµ{«á¡Aµo²{­ì¨ÓDoS¥\¯à¦³¨ä¥¦¶i¶¥²Ó¶µ³]©w¡A
¥u¤£¹L³o¨Ç²Ó¶µ³]©w¥²»Ý¦bConsole Mode¤U³z¹L«ü¥O¨Ó¤U¹F¡C


Sophos XG DoSªº¶i¶¥³]©w¥]§t¨â­Ó¥D­n¦¨­ûDoS Policy»PDoS Rule¡C
´N¦p¦P¨ä¥¦¨¾¤õÀð³W«h¤@¼Ë¡A¥ý¦bDoS Policy©w¸q¦n­n¹LÂoªºProtocol»P»Ö­È¡A
µM«á¦bDoS Rule¤¤©w¸q¦n­n®M¥ÎªºDoS Policy»P¨Ó·½/¥Øªº°Ï°ì¡A³o¼Ë´N§¹¦¨¤F¡ã

DoS Policy«ü¥O¦p¤U¡C

System dos-config add dos-policy policy-name <name> [SYN-Flood <limit> pps <per-src|per-dst|global>] [UDP-Flood <limit> pps <per-src|per-dst|global>] [ICMP-Flood <limit> pps <per-src|per-dst|global>] [IP-Flood <limit> pps <per-src|per-dst|global>]


Dos Rule«ü¥O¦p¤U¡C
system dos-config add dos-rule rule-name <name> [options] [rule-position <position>] dos-policy <policy-name>


Á|¨Ò¨Ó»¡¡A­Y§Ú­Ì·Q³]©w¨C¬í¤£¯à¶W¹L100­ÓUDP«Ê¥]ªºDoS Policy¡A
µM«á®M¥Î¦bLAN to DMZªº¤è¦V¤W¡A¹ï¨C­Ó¨Ó·½ºÝ°µ­­¨î¡A
¨ä«ü¥O¦p¤U¡C(DMZºô¬q¬°10.1.1.0/24)
system dos-config add dos-policy policy-name UDP-Test UDP-Flood 100 pps per-src
system dos-config add dos-rule rule-name LAN-to-DMZ-UDP src-zone LAN dstip 10.1.1.0 netmask 255.255.255.0 protocol udp dos-policy UDP-Test




·í®M¥Î§¹³]©w¡A±qLANºÝ¥´¥X¤j¶qUDP«Ê¥]¨ìDMZºÝ®É¡A¤j©ó100 ppsªº«Ê¥]´N·|³QXGµ¹Äd¤U¡A¦ÓÅã¥Ü¦bDoS Attacks²Î­p­¶­±¤¤¡C





°Ñ¦Ò¸ê®Æ
¶¶¤l¥Î¨Ó¥´¤j¶q«Ê¥]ªº¤u¨ã¬OLOIC¡A¥i¦b ³oùØ ¤U¸ü¡C




♥¶¶¤l¦Ñ±Cªººô©ç¡A½Ð¦hÃö·Ó¡ã

If you don't like something, change it.
If you can't change it, change your attitude.
Don't complain!




2017-03-20, 11:24 shunze ªº­Ó¤H¸ê®Æ §â shunze ¥[¤J¦n¤Í¦Cªí µo°eEmailµ¹ shunze ÂsÄý shunze ªººô¯¸ MSN : shunze@gmail.com
shunze
¤u¤Í§B§B


µù¥U¤é´Á: 2002 04
¨Ó¦Û: ¼é¦Á²×¤î¤§¦a
¤å³¹: 2380

shunze Â÷½u
¡m¤À¨É¡n§ó·s¸É¥R¤Þ¥Î¦^ÂÐ ½s¿è/§R°£¤å³¹ ·j´M¥Ñ  µoªíªº¨ä¥L¤å³¹ ¦^³øµ¹ª©¥D IP ¦ì¸m ¦^¦¹­¶³Ì¤W¤è

¤W¤å½d¨Ò¬°LAN to DMZªºUDP flood³]©w¡A
¦pªG¬O­n¨¾Å@¨Ó¦ÛWAN to DMZªºTCP flood¤S¸Ó¦p¦ó³]©w©O¡H

¥Ñ©ó¨Ó¦ÛWANºÝªº¥~³¡IP¬OµLªkª½±µ³s¨ì¦ì¦bXG¤º³¡ªºServer¡A
³oÃþ³s½u»Ý¨D¥²»Ý³z¹LXGªºbusiness application rule¶i¦æDNATÂà§}«á¤~¯à¿ì¨ì¡A
¦]¦¹³]©wWAN to DMZªºflood¨¾Å@®É¡AÁöµM³Ì²×¥Øªº¬O¤º³¡ServerªºµêÀÀIP¡A
¦ý¦b³]©w®É¡AÁÙ¬O­n§â¥Ø¼ÐIP³]©w¬°XG¤Wmappingµ¹¤º³¡Serverªº¥~³¡IP¡C

¨Ò¦pXG¤WªºWAN°t¸m¤F¤@­Ó¥~³¡IP 123.123.123.1¡A
¨Ã§â³o­ÓIPªºTCP 8080 port¾É¦V¤º³¡web server 172.16.16.1¡C
¨º§Ú­Ì­n¹ï³o¥xweb server¶i¦æTCP flood¨¾Å@®É¡A
´N¸Ó¶i¦æ¦p¤Uªº°t¸m¡C

system dos-config add dos-policy policy-name SYN-Flood_over_200 SYN-Flood 200 pps per-src
system dos-config add dos-rule rule-name W2D_TCP_8080 src-zone WAN dstip 123.123.123.1 netmask 255.255.255.255 protocol tcp dport 8080 dos-policy SYN-Flood_over_200


¥H¤W«ü¥O¦b°Ñ·Ó¤W­zªº»¡©ú«á¡A¥Ø¼ÐIPªº¿ï¾Ü¨S¦³¤Ó¤j°ÝÃD¡A
¤ñ¸û¦³°ÝÃDªº·|¬O¡A¬°¤°»ò§Ú­Ì­n¾×ªº©ú©ú´N¬OTCPªºflood¡A¦ý¦bdos-policy¤¤ªº³]©w«o¬OSYN-Flood¡H

³o¬OXG¤W¤ñ¸û¦Q¸Þªº¦a¤è...
¦b dos-config ¤¤ªºflood°Ñ¼Æ¥u¦³SYN-Flood¡A¨S¦³TCP-Flood¡F
¦Ó¦b dos-rule «o¤Ï¹L¨Ó¡Aprotocolªº°Ñ¼Æ¥u¦³tcp¡A¨S¦³syn¡I¡H
©Ò¥H¦bTCP floodªº¨¾Å@¤W¡A¥u¯à¨Ï¥Î³o¼Ëªº°t·f°t³]©w¤F...



♥¶¶¤l¦Ñ±Cªººô©ç¡A½Ð¦hÃö·Ó¡ã

If you don't like something, change it.
If you can't change it, change your attitude.
Don't complain!




2020-09-11, 12:07 shunze ªº­Ó¤H¸ê®Æ §â shunze ¥[¤J¦n¤Í¦Cªí µo°eEmailµ¹ shunze ÂsÄý shunze ªººô¯¸ MSN : shunze@gmail.com
  « ¤W¤@½g¥DÃD ¤U¤@½g¥DÃD »
µoªí·s¥DÃD µoªí¦^ÂÐ
¸õ¨ì:

Powered by: Burning Board 1.1.1 2001 WoltLab GbR