̾??

rlogind — ???⡼?ȥ????????Υ?????

????

rlogind [-Daln]

????

rlogind ?桼?ƥ????ƥ??ϡ? rlogin(1) ?Τ????Υ????ФǤ??? ?????ФϿ????Ǥ????ۥ??Ȥ????? ?ø??ݡ????ֹ??˴??Ť???ǧ?ڤ??Ѥ??ơ????⡼?ȥ?????????ǽ???󶡤??ޤ???

rlogind ?Ǥϡ??ʲ??Υ??ץ????󤬻??Ѳ?ǽ?Ǥ???

-D

TCP_NODELAY ?????åȥ??ץ??????????ꤷ?ޤ??? ?????ϡ??????Ĥ??? ?ͥåȥ???ȥ??ե??å??????????Ф??ơ????????????夷?ޤ???

-a

???ڤΤ????ˡ??ۥ???̾???䤤???碌?ޤ???

-l

?桼?????????ѥ桼???Ȥ??ƥ??????󤷤ʤ??¤ꡢ ???̥桼???? “.rhosts” ?ˤ??롢????????ǧ?ڤ??ػߤ??ޤ???

-n

?????ץ??饤?֥??å????????ػߤ??ޤ???

Kerberos ???ȤäƤ??????ˤϡ??ʲ??Τ褦?ʥ??ץ??????????Ѳ?ǽ?Ǥ???

-k

Kerberos ǧ?ڤ????Ѳ?ǽ?ˤ??ޤ???

-v

vacuous ?⡼?ɤ????Ѳ?ǽ?ˤ??ޤ???

-x

rlogin(1) ???å???????ή?????????ƤΥǡ????? DES ?Ź沽???ܤ??ޤ??? ???Υ??ץ??????????Ѥ????ȡ????????? CPU ?????٤????????ޤ???????̩???ϸ??夷?ޤ???

rlogind ?桼?ƥ????ƥ??ϡ? “login” ?????ӥ??λ??ͤ˴??Ť??ֹ??Υݡ??Ȥǡ??׵????????դ??ޤ??? ?ܤ????? services(5) ?򻲾Ȥ??Ƥ????????? ?????ӥ????׵????????????ȡ??ʲ??Υץ??ȥ????򳫻Ϥ??ޤ???

1. ?????Фϥ??饤?????Ȥ??׵ḵ?ݡ????ֹ???Ĵ?٤ޤ??? ?⤷?ݡ????ֹ椬512??1023???ϰϳ??Ǥ????С??????Ф???³?????Ǥ??ޤ???
2. ?????Фϥ??饤?????Ȥ??׵ḵ???ɥ쥹??Ĵ?١????????б??????ۥ???̾?? ?????ޤ? (gethostbyaddr(3), hosts(5), named(8) ?򻲾Ȥ??Ƥ???????)?? ?ۥ???̾???????Ǥ??ʤ????С??ɥå?ɽ??ˡ?ˤ????ۥ??ȥ??ɥ쥹?? ?Ѥ??ޤ??? ?ۥ???̾???????Ф?Ʊ???ɥᥤ????°???Ƥ??뤫 (?ɥᥤ??̾?κǸ??????Ĥ? ???????Ǥ˴??Ť???Ƚ?Ǥ??ޤ?)?????뤤?? -a ???ץ????󤬻??ꤵ???Ƥ????顢 ?ۥ???̾???Ф??륢?ɥ쥹??Ĵ?٤ơ??ۥ???̾?ȥ??ɥ쥹?????פ??Ƥ??뤫 ?ɤ????򸡾ڤ??ޤ??? ???ɥ쥹?θ??ڤ˼??Ԥ????????ϡ??̾???ǧ?ں??ȤϹԤ??ޤ?????

?׵ḵ?ݡ??Ȥ??ֹ???Ĵ?ٽ??????顢 rlogind ?ϡ? rshd(8) ?????????Ƥ???ǧ?ں??Ȥ򳫻Ϥ??ޤ??? ?????ơ?????ü?? (pty(4) ?򻲾ȤΤ???) ?????????Ƥ??ȶ??ˡ? ?ե????뵭?һҤ?????ơ? ???ε???ü???Υ??졼??¦???????????ץ??????? stdin, stdout, stderr ?ˤʤ??褦?ˤ??ޤ??? ǧ?ں??Ȥ??????????????ˤϡ? login(1) ?ץ????????? -f ???ץ??????????ꤷ?ƥ????????ץ??????????????ޤ??? ??ưǧ?ں??Ȥ˼??Ԥ????????ˤϡ? ?̾???ü???????????Υ????????ξ?????Ʊ?ͤˡ? ?桼?????䤤???碌?򤷤ޤ???

?????????ץ??????οƥץ??????ϡ?????ü???Υޥ???¦??????ޤ??? ???ʤ????????????ץ??????ȡ????饤??????¦?? rlogin(1) ?ץ????????????β????????ΤȤδ֤ǽ??????Ԥ??ޤ??? ?̾??ν????ˤ????Ƥϡ? ‘^S/^Q’ ?Τ褦?ʵ?ǽ???󶡤????ꡢ???????߿????????⡼?ȥץ????????ؤ??????뤿???? pty(4) ?????????Ƥ????ѥ??åȥץ??ȥ???????ư???ޤ??? ?????????ץ??????ϡ????饤?????Ȥ?ü?????̿?®?٤? ?Ķ??ѿ? TERM ?ǻ??ꤵ???Ƥ???ü???????פ??????ޤ??? environ(7) ?򻲾Ȥ??Ƥ????????? ???饤??????¦??ü???β??̡????뤤?ϥ??????ɥ????礭?????䤤???碌?ޤ??? ?ޤ??????饤??????¦???饦?????ɥ??????????ѹ???????ü???? ?????????ޤ???

?ȥ??󥹥ݡ??ȥ??٥??Υ????ץ??饤?֥??å??????ϡ????ץ????? -n ?????ꤵ???Ƥ??ʤ??¤????Ϥ????ޤ??? ?????ץ??饤?֥??å??????????Ѥ????ȡ????饤?????Ȥ??????å??夷???ꡢ ?̿???ǽ?ˤʤäƤ??ޤä????ˡ????å??????򥿥??ॢ???Ȥ? ??λ???뤳?Ȥ???ǽ?ˤʤ??ޤ???

????

???٤Ƥο??ǥ??å??????ϡ??ͥåȥ????³?????Ǥ??줿???ˡ??ǽ??? 1 ???? ?ΥХ??Ȥ??ղä????????Τ????ޤ??? login(1) ????ư???줿???˥??顼??ȯ?????ʤ????硢 ?????????????ΤΤ????ˡ?NULL ?Х??Ȥ??֤??ޤ???

Try again.

?????Ф? fork(2) ?˼??Ԥ??????Ȥ?ɽ???ޤ???

??Ϣ????

login(1), ruserok(3), hosts(5), hosts.equiv(5), login.conf(5), nologin(5), services(5), rshd(8)

??Ϣ?ե?????

/etc/hosts

 

/etc/hosts.equiv

 

$HOME/.rhosts

 

/var/run/nologin

 

?Х?

???Υ??ޥ??ɤ??Ѥ??Ƥ???ǧ?ڼ?³???ϡ????줾???Υ??饤?????ȥޥ????? ??³???Τ??????Ǥ????Ȥ??????Ȥ????ꤷ?????ΤǤ??? ?????ϥ????????ƥ??ۡ????ˤʤ??䤹???ΤǤ????? “?????ץ?” ?ʴĶ??ˤ????Ƥ?ͭ?Ѥ????ˤǤ???

???ƤΥǡ????ˤĤ??ưŹ沽???Ԥʤ???ǽ?????????????٤??Ǥ???

???ä?ȯŸ???Τ????ץ??ȥ??뤬?Ѥ????????٤??Ǥ???

????

rlogind ???ޥ??ɤ? 4.2BSD ?????о줷?ޤ?????

IPv6 ???ݡ??Ȥϡ?WIDE/KAME ?ץ????????Ȥ??ɲä??ޤ?????