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xinetd.conf
Langue: ja
Version: 14 June 2001 (openSuse - 09/10/07)
Section: 5 (Format de fichier)
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- RPC
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- xinetd ¤Ë¤è¤Ã¤ÆÄ󶡤µ¤ì¤ë¥µ¡¼¥Ó¥¹
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- ¥µ¡¼¥Ó¥¹¤ÎºÇÂç¾ïÃó¥µ¥¤¥º¤ÎÀ©¸Â¤òÀßÄꤹ¤ë¡£ ¤³¤ÎÃͤò¾®¤µ¤¯¤¹¤ì¤Ð¡¢¥á¥â¥ê¤¬¾¯¤Ê¤¤»þ¤Ë ¥×¥í¥»¥¹¤¬¥Ç¥£¥¹¥¯¤Ø¤È¥¹¥ï¥Ã¥×¥¢¥¦¥È¤µ¤ì¤ë¸õÊä¤Ë¤Ê¤ê¤ä¤¹¤¯¤Ê¤ë¡£ ¥Ñ¥é¥á¡¼¥¿¤¬°ì¤ÄɬÍפǡ¢¥Ð¥¤¥È¿ô¤òɽ¤¹Àµ¤ÎÀ°¿ô¤«¡¢ "UNLIMITED" (̵À©¸Â)¤ò»ØÄꤹ¤ë¡£
- rlimit_stack
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- deny_time
- SENSOR ¤òºîÆ°¤µ¤»¤¿²¿¼Ô¤«¤Î IP ¥¢¥É¥ì¥¹¤«¤é¤Î¡¢Á´¤Æ¤Î¥µ¡¼¥Ó¥¹¤Ø¤Î¥¢¥¯¥»¥¹¤ò µñÈݤ¹¤ë´ü´Ö¡£Ã±°Ì¤Ïʬ¡£ »ØÄê²Äǽ¤Ê¥ª¥×¥·¥ç¥ó¤Ï FOREVER, NEVER ¤½¤·¤Æ¿ôÃͤǤ¢¤ë¡£ FOREVER ¤Ç¤Ï¡¢xinetd ¤¬ºÆµ¯Æ°¤µ¤ì¤ë¤Þ¤Ç¤½¤Î IP ¥¢¥É¥ì¥¹¤Ï¾Ãµî¤µ¤ì¤Ê¤¤¡£ NEVER ¤ÏÌÂÏÇ¤Ê IP ¥¢¥É¥ì¥¹¤ò¥í¥°¤Ë¼è¤ë¸ú²Ì¤À¤±¤Ç¤¢¤ë¡£ ŵ·¿Åª¤ÊÃÍ¤Ï 60 ʬ¤Ç¤¢¤ë¡£ ¤³¤ì¤Ê¤é¡¢ÀµÅö¤ÊÌÜŪ¤Ç¤½¤Î IP ¥¢¥É¥ì¥¹¤¬ºÆÍøÍѤµ¤ì¤ë¤Î¤òµö²Ä¤¹¤ë°ìÊý¤Ç¡¢ Ëؤó¤É¤Î DoS ¹¶·â¤òËɤ°¤³¤È¤¬¤Ç¤¤ë¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï SENSOR ¥Õ¥é¥°¤È¤ÎÁȹç¤ï¤»¤ÇÍѤ¤¤ë¤³¤È¡£
¤½¤ì¤¾¤ì¤Î¥µ¡¼¥Ó¥¹¤Ç°Ê¾å¤Î°À¤ò¤¹¤Ù¤Æ»ØÄꤹ¤ëɬÍפϤʤ¤¡£ ɬÍפÊ°À¤Ï°Ê²¼¤ÎÄ̤ê:
-
- socket_type
- user
- (ÈóÆâÉô¥µ¡¼¥Ó¥¹¤Î¤ß)
- server
- (ÈóÆâÉô¥µ¡¼¥Ó¥¹¤Î¤ß)
- wait
- protocol
- (RPC ¤È ¥ê¥¹¥È¤Ë¤Ê¤¤(UNLISTED)¥µ¡¼¥Ó¥¹¤Î¤ß)
- rpc_version
- (RPC ¥µ¡¼¥Ó¥¹¤Î¤ß)
- rpc_number
- (¥ê¥¹¥È¤Ë¤Ê¤¤ RPC ¥µ¡¼¥Ó¥¹¤Î¤ß)
- port
- (¥ê¥¹¥È¤Ë¤Ê¤¤Èó RPC ¥µ¡¼¥Ó¥¹¤Î¤ß)
°Ê²¼¤Î°À¤Ï¤¹¤Ù¤Æ¤ÎÂåÆþ±é»»»Ò¤ò¥µ¥Ý¡¼¥È¤¹¤ë:
-
- only_from
- no_access
- log_on_success
- log_on_failure
- passenv
- env
- ('-=' ±é»»»Ò¤Ï¥µ¥Ý¡¼¥È¤·¤Ê¤¤)
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-
defaults {- <°À> = <ÃÍ> <ÃÍ> ... ...
}
¤³¤Î¥¨¥ó¥È¥ê¤Ï¡¢¤½¤Î¥µ¡¼¥Ó¥¹¤Ç°ÀÃͤ¬»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Î¡¢ ¥Ç¥Õ¥©¥ë¥È¤Î°ÀÃͤò·èÄꤹ¤ë¡£»ØÄê²Äǽ¤Ê¥Ç¥Õ¥©¥ë¥È¤Î°À¤Ï:
-
- log_type
- bind
- per_source
- umask
- log_on_success
- (ÀÑ»»¸ú²Ì)
- log_on_failure
- (ÀÑ»»¸ú²Ì)
- only_from
- (ÀÑ»»¸ú²Ì)
- no_access
- (ÀÑ»»¸ú²Ì)
- passenv
- (ÀÑ»»¸ú²Ì)
- instances
- disabled
- (ÀÑ»»¸ú²Ì)
- enabled
- (ÀÑ»»¸ú²Ì)
ÀÑ»»¸ú²Ì¤ò»ý¤Ä°À¤Ï¡¢Ê£¿ô²ó»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤¡¢¤½¤ÎÅÙ¤ËÀѤ߾夲¤é¤ì¤ë (¤¹¤Ê¤ï¤Á '=' ¤Ï '+=' ¤ÈƱ¤¸¤³¤È¤ò¤¹¤ë)¡£ disabled ¤ÎÎã³°¤ò½ü¤¤¤Æ¡¢¥µ¡¼¥Ó¥¹¥¨¥ó¥È¥ê¤Ç»ØÄꤵ¤ì¤¿¾ì¹ç¤ÈƱ¤¸°ÕÌ£¤ò»ý¤Ä¡£ disabled ¤Ï¡¢ÀßÄê¥Õ¥¡¥¤¥ë¤Ë¥¨¥ó¥È¥ê¤¬¤¢¤ë¤â¤Î¤Ç¤µ¤¨¤â»ÈÍÑÉԲĤˤ¹¤ë¡£ ¤³¤ì¤Ë¤è¤ê¡¢¥³¥á¥ó¥È¥¢¥¦¥È¤¹¤ëÂå¤ï¤ê¤Ë¡¢ disabled °À¤ò»È¤Ã¤Æ»ÈÍÑÉԲĤˤ¹¤ë¥µ¡¼¥Ó¥¹¤ò¡¢ÁÇÁ᤯ºÆÀßÄê¤Ç¤¤ë¡£ ¤³¤Î°À¤ÎÃͤϡ¢¥¹¥Ú¡¼¥¹¤Ç¶èÀÚ¤é¤ì¤¿¡¢¥µ¡¼¥Ó¥¹ id ¤Î¥ê¥¹¥È¤Ç¤¢¤ë¡£ enabled ¤Ï disabled ¤ÈƱ¤¸ÆÃÀ¤ò»ý¤Ä¡£°ã¤¤¤Ï enabled ¤Ï»ÈÍѲÄǽ¤Ë¤¹¤ë¥µ¡¼¥Ó¥¹¤Î¥ê¥¹¥È¤Ç¤¢¤ë¤È¤¤¤¦¤³¤È¤À¡£¤â¤· enabled ¤¬»ØÄꤵ¤ì¤¿¾ì¹ç¡¢»ØÄꤵ¤ì¤¿¥µ¡¼¥Ó¥¹¤À¤±¤¬»ÈÍѲÄǽ¤Ë¤Ê¤ë¡£ enabled ¤¬»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ï¡¢¤¹¤Ù¤Æ¤Î¥µ¡¼¥Ó¥¹¤¬»ÈÍѲÄǽ¤È²¾Äꤵ¤ì¡¢ disabled ¤Ë¥ê¥¹¥È¤µ¤ì¤¿¤â¤Î¤¬½ü³°¤µ¤ì¤ë¡£
ÆâÉô¥µ¡¼¥Ó¥¹
xinetd ¤Ï°Ê²¼¤Î¥µ¡¼¥Ó¥¹¤òÆâÉôŪ¤ËÄ󶡤¹¤ë (¥¹¥È¥ê¡¼¥à·¿¡¢¥Ç¡¼¥¿¥°¥é¥à·¿¤ÎξÊý¤È¤â): echo, time, daytime, chargen, discard ¤Ç¤¢¤ë¡£ xinetd ¤¬Â¾¤Î¥×¥í¥»¥¹¤Ø¤È fork ¤¹¤ëɬÍפ¬¤Ê¤¤¤È¤¤¤¦¤³¤È¤ò½ü¤±¤Ð¡¢ ¤³¤ì¤é¤Î¥µ¡¼¥Ó¥¹¤Ï¡¢Â¾¤Î¥µ¡¼¥Ó¥¹¤ÈƱÍͤ˥¢¥¯¥»¥¹À©¸Â¤Î²¼¤Ë¤¢¤ë¡£ ¤³¤ì¤é (time, daytime ¤È¡¢¥Ç¡¼¥¿¥°¥é¥à·¿¤Î echo, chargen, discard) ¤Ï instances ¤Î¿ô¤ËÀ©¸Â¤¬¤Ê¤¤¡£
xinetd ¤Ï¤Þ¤¿¡¢Æó¤Ä¤Î UNLISTED ¤Ê¥¹¥È¥ê¡¼¥à·¿ÆâÉô¥µ¡¼¥Ó¥¹¤òÄ󶡤¹¤ë: servers ¤È services ¤Ç¤¢¤ë¡£ Á°¼Ô¤Ï¼Â¹Ô¤·¤Æ¤¤¤ë¥µ¡¼¥Ð¤Î¾ðÊó¤òɽ¼¨¤·¡¢ °ìÊý¸å¼Ô¤Ï¸½ºß͸ú¤Ê¥µ¡¼¥Ó¥¹¤Î¥ê¥¹¥È¤òÄ󶡤¹¤ë¡£ °ì¹Ô¤Ë°ì¤Ä¤Î¥µ¡¼¥Ó¥¹¤Ç¡¢ ³Æ¹Ô¤Ï¥µ¡¼¥Ó¥¹Ì¾¡¦¥×¥í¥È¥³¥ë(Î㤨¤Ð "tcp")¡¦¥Ý¡¼¥ÈÈֹ椫¤é¤Ê¤ë¡£
º£¤ä´ÉÍý¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤¬¤¢¤ê¡¢¤½¤ì¤ÏÆâÉô¥µ¡¼¥Ó¥¹¤Ç¤¢¤ë¡£ ¥µ¡¼¥Ó¥¹Ì¾ "xadmin" ¤ÏͽÌ󤵤ì¤Æ¤ª¤ê¡¢¤½¤ì¤Ï¾ï¤ËÆâÉô¥µ¡¼¥Ó¥¹¤Ç¤¢¤ë¡£ ¤³¤Î¥µ¡¼¥Ó¥¹¤Ë¤Ï¥Ý¡¼¥ÈÈÖ¹æ¤ò»ØÄꤷ¤Ê¤±¤ì¤Ð¤Ê¤é¤º¡¢ ¿ʬ IP ¥Ù¡¼¥¹¤Î¥¢¥¯¥»¥¹À©¸æ¤â¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤À¤í¤¦¡£ ¤Ê¤¼¤Ê¤é¤Ð¡¢¤³¤ì¤ò¼¹É®¤·¤Æ¤¤¤ë»þÅÀ¤Ç¤Ï¡¢ ¥Ñ¥¹¥ï¡¼¥ÉÊݸî¤ò²¿¤â»ý¤¿¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£ ¤³¤Î¥Ý¡¼¥È¤Ë telnet ¤·¡¢xinetd ¤Ë¤¤¤¯¤é¤«¤ÎÌ䤤¹ç¤ï¤»¤ò¤¹¤ë¤³¤È¤¬¤Ç¤¤ë¡£
TCPMUX ¥µ¡¼¥Ó¥¹
xinetd ¤Ï RFC 1078 ¤Ë½àµò¤·¤¿ TCPMUX ¥µ¡¼¥Ó¥¹¤ò¥µ¥Ý¡¼¥È¤¹¤ë¡£ ¥µ¡¼¥Ó¥¹¤¬¤½¤ì¤ËÂбþ¤¹¤ë well-known ¥Ý¡¼¥È¤ò»ý¤¿¤Ê¤¯¤Æ¤â¡¢ well-known ¥Ý¡¼¥È¤Ç¤¢¤ë TCPMUX ¤òÄ̤¸¤Æ¥¢¥¯¥»¥¹¤¬¤Ç¤¤ë¡£
TCPMUX ¤òÄ̤¸¤Æ¥¢¥¯¥»¥¹¤µ¤ì¤ë¥µ¡¼¥Ó¥¹¤Ï¡¢¤½¤ì¤¾¤ì /etc/xinetd.conf ¤Ë¥µ¡¼¥Ó¥¹¥¨¥ó¥È¥ê¡¼¤ò»ý¤Ä¤«¡¢¤â¤·¤¯¤Ï includedir ¥Ç¥£¥ì¥¯¥È¥ê¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ë¥µ¡¼¥Ó¥¹¥¨¥ó¥È¥ê¤¬¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
service_name ¥Õ¥£¡¼¥ë¥É(³Æ xinetd ¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ç¡¢¥µ¡¼¥Ó¥¹¤ÎºÇ½é¤ÇÄêµÁ¤µ¤ì¤ë)¤Ï xinetd ¤Ë(RFC 1078 ¥×¥í¥È¥³¥ë¤Ë¤è¤Ã¤Æ)ÅϤµ¤ì¤ëʸ»úÎó¤ËÅù¤·¤¯¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¤½¤ì¤Ï¥ê¥â¡¼¥È¤Î¥µ¡¼¥Ó¥¹Í×µá¼Ô¤¬ºÇ½é¤Ë well-known ¥Ý¡¼¥È¤Ç¤¢¤ë TCPMUX ¤Ë ¥¢¥¯¥»¥¹¤·¤¿¤È¤¤ËÅϤµ¤ì¤ë¡£ ¥×¥é¥¤¥Ù¡¼¥È¤Ê¥×¥í¥È¥³¥ë¤Ï¹â¤¤³ÎΨ¤Ç°ì°Õ¤Ë¤Ê¤ë¥µ¡¼¥Ó¥¹Ì¾¤ò»È¤¦¤Ù¤¤À¡£ ¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢¥É¥á¥¤¥ó̾¤ÎÁ°¤Ë¥µ¡¼¥Ó¥¹Ì¾¤òÉղ乤뤳¤È¤Ç¤¢¤ë¡¢
type ¥Õ¥£¡¼¥ë¥É¤Ï TCPMUX ¤Þ¤¿¤Ï TCPMUXPLUS ¤Î¤É¤Á¤é¤«¤Ç¤¢¤ë¡£ TCPMUXPLUS ¤¬»ØÄꤵ¤ì¤¿¾ì¹ç¡¢ xinetd ¤Ï¥µ¡¼¥Ó¥¹¤ò½é´ü²½¤¹¤ëÁ°¤Ë¥×¥í¥»¥¹¸Æ¤Ó½Ð¤·¤Æ¡¢ (RFC 1078 ¤ÇÄêµÁ¤µ¤ì¤ë)¥×¥í¥È¥³¥ë¤ÎºÇ½é¤Î¥Ï¥ó¥É¥·¥§¥¤¥¯¤ò½èÍý¤¹¤ë¡£ type ¤¬ TCPMUX ¤Î¾ì¹ç¤Ï¡¢¥Ï¥ó¥É¥·¥§¡¼¥¯¤ò¿ë¹Ô¤¹¤ë¤¿¤á¤Ë³«»Ï¤µ¤ì¤Æ¤¤¤ë¥µ¡¼¥Ð¤¬Âн褹¤ë¡£
¥µ¡¼¥Ó¥¹¤¬É¸½àŪ¤Ê¥·¥¹¥Æ¥à¥Õ¥¡¥¤¥ë (RPC ¥µ¡¼¥Ó¥¹¤Ê¤é¡¢ /etc/rpc, RPC¥µ¡¼¥Ó¥¹¤Ç¤Ê¤¤¤Ê¤é /etc/services ¤Ê¤É) ¤Ë̵¤¤¾ì¹ç¤Ï¡¢ type ¤Ë¤Ï UNLISTED ¤â»ØÄꤹ¤ë¡£
¤³¤ì¤é¤Î¥µ¡¼¥Ó¥¹¤ËÂФ¹¤ë socket_type ¤Ï stream ¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤º¡¢¤Þ¤¿ protocal ¤Ï tcp ¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
°Ê²¼¤Ï TCPMUX ¥µ¡¼¥Ó¥¹ÀßÄê¤Î¥µ¥ó¥×¥ë¤Ç¤¢¤ë¡£
-
service myorg_server {-
- disable
- = no
- type
- = TCPMUX
- socket_type
- = stream
- protocol
- = tcp
- wait
- = no
- user
- = root
- server
- = /usr/etc/my_server_exec
}
-
well-known ¥Ý¡¼¥È¤Î TCPMUX ¤òÄ̤¸¤Æ¥¢¥¯¥»¥¹¤µ¤ì¤ë³Æ¥µ¡¼¥Ó¥¹¤Î ¥µ¡¼¥Ó¥¹¥¨¥ó¥È¥ê¤Î¾¤Ë¡¢TCPMUX ¼«¿È¤Î¥µ¡¼¥Ó¥¹¥¨¥ó¥È¥ê¤â xinetd ¤ÎÀßÄê¤ÎÃæ¤Ë´Þ¤Þ¤ì¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ °Ê²¼¤Î¥µ¥ó¥×¥ë¤ò¸«¤è:
-
service tcpmux {-
- type
- = INTERNAL
- id
- = tcpmux
- socket_type
- = stream
- protocol
- = tcp
- user
- = root
- wait
- = no
}
-
Ãí°Õ
- 1.
- °Ê²¼¤Î¥µ¡¼¥Ó¥¹Â°À¤Ï¡¢ºÆÀßÄê¤ÇÊѹ¹¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤: socket_type, wait, protocol, type ¤Ç¤¢¤ë¡£
- 2.
- °À only_from ¤È no_access ¤¬(ľÀÜ¡¢defaults¤Î¤É¤Á¤é¤Ç¤â)»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¥µ¡¼¥Ó¥¹¤Ï¡¢ ¥¢¥É¥ì¥¹¤Î¾È¹ç¤ÏÀ®¸ù¤·¤¿¤â¤Î¤È¤·¤Æ°·¤ï¤ì¤ë (¤¹¤Ê¤ï¤Á¡¢¥¢¥¯¥»¥¹¤ÏµñÈݤµ¤ì¤Ê¤¤)¡£
- 3.
- ¥¢¥É¥ì¥¹¾È¹ç¤Ï¥ê¥â¡¼¥È¥Û¥¹¥È¤Î IP ¥¢¥É¥ì¥¹¤È¤ò´ð¤Ë¤·¤Æ¤ª¤ê¡¢ ¥É¥á¥¤¥ó¥¢¥É¥ì¥¹¤Ë¤Ï°Í¤é¤Ê¤¤¡£ Ť¤»þ´Ö¤¬¤«¤«¤ë¥ê¥â¡¼¥È¥Û¥¹¥È¤Î̾Á°¸¡º÷¤òÈò¤±¤é¤ì¤ë¤Î¤Ç¡¢¤½¤¦¤Ê¤Ã¤Æ¤¤¤ë (¤Ê¤¼¤Ê¤é¤Ð¡¢ xinetd ¤Ïñ°ì¥¹¥ì¥Ã¥É¤Ç¤¢¤ê¡¢ ̾Á°¸¡º÷¤Ï¥Ç¡¼¥â¥ó¤¬¤½¤Î¸¡º÷¤ò½ª¤¨¤ë¤Þ¤Ç¡¢ ¾¤ÎÁ´¤Æ¤ÎÍ×µá¤ò¼õ¤±ÉÕ¤±¤ë¤Î¤ò˸¤²¤ë¤«¤é¤Ç¤¢¤ë)¡£ ¤³¤ÎÏÈÁȤतÌ̤ϡ¢¥ê¥â¡¼¥È¥Û¥¹¥È¤Î IP ¥¢¥É¥ì¥¹¤¬ÊѤï¤Ã¤Æ¤·¤Þ¤¦¤È xinetd ¤òºÆÀßÄꤹ¤ë¤Þ¤Ç¤Ï¡¢¥¢¥¯¥»¥¹¤¬µñÈݤµ¤ì¤Æ¤·¤Þ¤¦¤³¤È¤Ç¤¢¤ë¡£ ¥¢¥¯¥»¥¹¤¬¼ÂºÝ¤Ë¶¡¤µ¤ì¤ë¤«¤É¤¦¤«¤Ï¡¢ ¿·¤¿¤Ê IP ¥¢¥É¥ì¥¹¤¬µö²Ä¤µ¤ì¤¿¥¢¥¯¥»¥¹¤Ë¤¢¤ë¤«¤É¤¦¤«¤Ë¤è¤ë¡£ Î㤨¤Ð¡¢¥Û¥¹¥È¤Î IP ¥¢¥É¥ì¥¹¤¬ 1.2.3.4 ¤«¤é 1.2.3.5 ¤ËÊѹ¹¤µ¤ì¡¢ only_from ¤¬ 1.2.3.0 ¤È»ØÄꤵ¤ì¤Æ¤¤¤ì¤Ð¡¢¥¢¥¯¥»¥¹¤ÏµñÈݤµ¤ì¤Ê¤¤¡£
- 4.
- ¥í¥°¥ª¥×¥·¥ç¥ó USERID ¤¬»ØÄꤵ¤ì¡¢¤â¤·¥ê¥â¡¼¥È¥Û¥¹¥È¤¬ ident ¥µ¡¼¥Ð¤òÆ°¤«¤·¤Æ¤Ê¤¤¤«¡¢¤Þ¤¿¤Ï ident ¥µ¡¼¥Ð¤¬²õ¤ì¤¿ÊÖ»ö¤òÁ÷¤êÊÖ¤·¤Æ¤¤¿¤é¡¢ ¥µ¡¼¥Ó¥¹¥Õ¥é¥° IDONLY ¤¬»È¤ï¤ì¤Ê¤¤¸Â¤ê¡¢¥¢¥¯¥»¥¹¤ÏµñÈݤµ¤ì¤Ê¤¤¡£
- 5.
- ¥×¥í¥»¥¹¤ò¥Õ¥©¡¼¥¯¤·¡¢ ¤½¤ì¤¬¥ê¥â¡¼¥È¥Û¥¹¥È¤È¥í¡¼¥«¥ë¥µ¡¼¥Ð¤Î´Ö¤Ç¥Õ¥£¥ë¥¿¤È¤·¤Æ¿¶Éñ¤¦¤³¤È¤Ë¤è¤ê¡¢ ²£¼è¤ê¤¬µ¡Ç½¤¹¤ë¡£ ¤³¤ì¤ÏÌÀ¤é¤«¤ËÀǽ¤Ë±Æ¶Á¤òµÚ¤Ü¤¹¤Î¤Ç¡¢ ³Æ¥µ¡¼¥Ó¥¹¤´¤È¤Î¥»¥¥å¥ê¥Æ¥£¤ÈÀǽ¤È¤Î´Ö¤ÎÂŶ¨¤Ï¡¢¤¢¤Ê¤¿¤ËǤ¤µ¤ì¤Æ¤¤¤ë¡£ °Ê²¼¤Îɽ¤Ï²£¼è¤ê¤Î¥ª¡¼¥Ð¡¼¥Ø¥Ã¥É¤ò¼¨¤¹¡£ ºÇ½é¤Îɽ¤ÏÍÍ¡¹¤Ê¥Ç¡¼¥¿¥°¥é¥à¥µ¥¤¥º¤Ç¤Î¡¢UDP ¥Ù¡¼¥¹¤Î¥µ¡¼¥Ó¥¹¤Ë¤ª¤±¤ë¥Ç¡¼¥¿¥°¥é¥à¤¢¤¿¤ê¤Î¥ª¡¼¥Ð¡¼¥Ø¥Ã¥É¤Ç¤¢¤ë¡£ TCP ¥Ù¡¼¥¹¤Î¥µ¡¼¥Ó¥¹¤Ë¤Ä¤¤¤Æ¤Ï¡¢²£¼è¤ê¤Ë¤è¤ë¥Ð¥ó¥ÉÉý¤Î¸º¾¯¤ò·×¬¤·¤¿¡£ ·×¬¤Î´Ö¤Ï¡¢¤¢¤ëÎ̤Υǡ¼¥¿¤ò¥¯¥é¥¤¥¢¥ó¥È¤«¤é¥µ¡¼¥Ð¤ØÁ÷¤Ã¤¿ (»þ´Ö¤Î¥ª¡¼¥Ð¡¼¥Ø¥Ã¥É¤Ï UDP ¥Ù¡¼¥¹¤Î¥µ¡¼¥Ó¥¹¤ÈƱ¤¸¤Ï¤º¤À¤¬¡¢ Ϣ³¤¹¤ë¥Ç¡¼¥¿Å¾Á÷¤ÎºÇ½é¤Î¥Ñ¥±¥Ã¥È¤À¤±¤Ë¤«¤«¤ë)¡£ ¥Ç¡¼¥¿Î̤Ïɽ¤Î ¥·¥¹¥Æ¥à¥³¡¼¥ë¿ôx¥·¥¹¥Æ¥à¥³¡¼¥ë¤¢¤¿¤ê¤Î¥Ç¡¼¥¿ÎÌ ¤«¤éÆÀ¤é¤ì¤ë¡£¤¹¤Ê¤ï¤Á¡¢³Æ send(2) ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¤½¤ì¤Û¤É¿¤¯¤Î¥Ç¡¼¥¿¤òžÁ÷¤·¤¿¡£ ¥Ð¥ó¥ÉÉý¤Î¸º¾¯¤Ï¡¢É䢤¿¤ê¤Î¥Ð¥¤¥È¿ô¤È¡¢ ²£¼è¤ê¤¬¹Ô¤ï¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤«¤é¤Î³ä¹ç¤ÇÍ¿¤¨¤é¤ì¤ë¡£ Á´¤Æ¤Î·×¬¤Ï SunOS 4.1 ¤¬Áö¤ë SparcStation IPC ¤Ç¹Ô¤ï¤ì¤¿¡£
-
-
- ¥Ç¡¼¥¿¥°¥é¥à¥µ¥¤¥º(¥Ð¥¤¥È)
- ÃÙ±ä(¥ß¥êÉÃ)
- --------------------------
- ------------
- 64
- 1.19
- 256
- 1.51
- 1024
- 1.51
- 4096
- 3.58
- Á÷¿®¥Ð¥¤¥È
- ¥Ð¥ó¥ÉÉý¸º¾¯
- ----------
- ------------
- 10000x64
- 941 (1.2%)
- 10000x256
- 4,231 (1.8%)
- 10000x1024
- 319,300 (39.5%)
- 10000x4096
- 824,461 (62.1%)
-
-
Îã
-
# # xinetd ¤Î¥µ¥ó¥×¥ëÀßÄê¥Õ¥¡¥¤¥ë # defaults {-
- log_type
- = FILE /var/log/servicelog
- log_on_success
- = PID
- log_on_failure
- = HOST RECORD
- only_from
- = 128.138.193.0 128.138.204.0
- only_from
- = 128.138.252.1
- instances
- = 10
- disabled
- = rstatd
} # # Ãí°Õ 1: protocol °À¤ÏɬÍפʤ¤ # Ãí°Õ 2: instances °À¤Ï¥Ç¥Õ¥©¥ë¥ÈÃͤò¾å½ñ¤ # service login {-
- socket_type
- = stream
- protocol
- = tcp
- wait
- = no
- user
- = root
- server
- = /usr/etc/in.rlogind
- instances
- = UNLIMITED
} # # Ãí°Õ 1: instances °À¤Ï¥Ç¥Õ¥©¥ë¥ÈÃͤò¾å½ñ¤ # Ãí°Õ 2: log_on_success ¥Õ¥é¥°¤Ï°ú¤¿ô # service shell {-
- socket_type
- = stream
- wait
- = no
- user
- = root
- instances
- = UNLIMITED
- server
- = /usr/etc/in.rshd
- log_on_success
- += HOST RECORD
} service ftp {-
- socket_type
- = stream
- wait
- = no
- nice
- = 10
- user
- = root
- server
- = /usr/etc/in.ftpd
- server_args
- = -l
- instances
- = 4
- log_on_success
- += DURATION HOST USERID
- access_times
- = 2:00-9:00 12:00-24:00
} # telnet ¥»¥Ã¥·¥ç¥ó¤ò¡¢8 ¥á¥¬¥Ð¥¤¥È¤Î¥á¥â¥ê¡¼¤È»Ò¥×¥í¥»¥¹¤ò # ¹ç·× 20 CPU ÉäËÀ©¸Â service telnet {-
- socket_type
- = stream
- wait
- = no
- nice
- = 10
- user
- = root
- server
- = /usr/etc/in.telnetd
- rlimit_as
- = 8M
- rlimit_cpu
- = 20
} # # ¤³¤Î¥¨¥ó¥È¥ê¤È¤½¤Î¼¡¤Ï¡¢ÆâÉô¥µ¡¼¥Ó¥¹¤ò»ØÄꤹ¤ë¡£ # °ã¤¦¥½¥±¥Ã¥È¥¿¥¤¥×¤ÎƱ¤¸¥µ¡¼¥Ó¥¹¤Ê¤Î¤Ç¡¢ # ³Æ¥¨¥ó¥È¥ê¤òÍ£°ì¤Ë¼±Ê̤¹¤ë¤¿¤á¤Ë id °À¤òÍѤ¤¤ë # service echo {-
- id
- = echo-stream
- type
- = INTERNAL
- socket_type
- = stream
- user
- = root
- wait
- = no
} service echo {-
- id
- = echo-dgram
- type
- = INTERNAL
- socket_type
- = dgram
- user
- = root
- wait
- = no
} service servers {-
- type
- = INTERNAL UNLISTED
- protocol
- = tcp
- port
- = 9099
- socket_type
- = stream
- wait
- = no
} # # RPC ¥µ¡¼¥Ó¥¹¤Î¥µ¥ó¥×¥ë # service rstatd {-
- type
- = RPC
- socket_type
- = dgram
- protocol
- = udp
- server
- = /usr/etc/rpc.rstatd
- wait
- = yes
- user
- = root
- rpc_version
- = 2-4
- env
- = LD_LIBRARY_PATH=/etc/securelib
} # # ¥ê¥¹¥È¤Ë¤Ê¤¤¥µ¡¼¥Ó¥¹¤Î¥µ¥ó¥×¥ë # service unlisted {-
- type
- = UNLISTED
- socket_type
- = stream
- protocol
- = tcp
- wait
- = no
- server
- = /home/user/some_server
- port
- = 20020
}
-
´ØÏ¢¹àÌÜ
xinetd(1L),xinetd.log(5)
Postel J., Echo Protocol, RFC 862, May 1983
Postel J., Discard Protocol, RFC 863, May 1983
Postel J., Character Generator Protocol, RFC 864, May 1983
Postel J., Daytime Protocol, RFC 867, May 1983
Postel J., Harrenstien K., Time Protocol, RFC 868, May 1983
M. Lottor, TCP Port Service Multiplexer (TCPMUX), RFC 1078, Nov 1988
StJohns M., Identification Protocol, RFC 1413, February 1993
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INTERCEPT ¥Õ¥é¥°¤Ï¡¢ÆâÉô¥µ¡¼¥Ó¥¹¤È¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¥µ¡¼¥Ó¥¹¤Ç¤Ï¥µ¥Ý¡¼¥È¤µ¤ì¤Ê¤¤¡£
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