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79. The client will (in the case of remote hosts) open a connection to port 79. An RUIP (Remote User
Information Program) is started on the remote end of the connection to process the request. The local host sends the RUIP one line query based upon the Finger query specification, and waits for the
446:
was with a WHO program that showed IDs and terminal line numbers (the server's internal number of the communication line over which the user's terminal is connected) for logged-in users. In reference to the name FINGER, Les
Earnest, wrote that he saw users of the WAITS
566:
attack on a company's computer security system. By using a finger client to get a list of a company's employee names, email addresses, phone numbers, and so on, a hacker can call or email someone at a company requesting information while posing as another employee.
434:
who created the program to solve the need of users who wanted information on other users of the network. Information on who is logged in was useful to check the availability of a person to meet. This was probably the earliest form of
510:
programs which are supposed to return a friendly, human-oriented status report on either the system at the moment or a particular person in depth. There is no required format, and the protocol consists mostly of specifying a single
468:
RUIP to respond. The RUIP receives and processes the query, returns an answer, then initiates the close of the connection. The local host receives the answer and the close signal, then proceeds to close its end of the connection.
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Supplying such detailed information as e-mail addresses and full names was considered acceptable and convenient in the early days of networking, but later was considered questionable for privacy and security reasons.
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programs that provide status reports on a particular computer system or a particular person at network sites. The finger program was written in 1971 by
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has also had several exploitable security holes crackers have used to break into systems. For example, in 1988 the
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For these reasons, by the late 1990s the vast majority of sites on the
Internet no longer offered the service.
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Simple network protocols for the exchange of human-oriented status and user information
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The program would supply information such as whether a user is currently logged-on,
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Prior to the finger program, the only way to get this information on
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for the exchange of human-oriented status and user information.
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system run their fingers down the output of the WHO command.
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The Finger user information protocol is based on RFC 1288 (
652:(finger.exe command). Other software has finger support:
422:
document RFC 742 (December 1977) as an interface to the
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479:side of the protocol is implemented by a program
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840:Uniform Resource Identifier (URI) schemes
737:1990Feb20.023931.13825@cs.rochester.edu
711:
578:exploited an overflow vulnerability in
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41:
34:
418:The Name/Finger protocol is based on
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558:Finger information has been used by
473:The Finger User Information Protocol
25:
719:Earnest, Les (20 February 1990).
542:, or alternatively all manner of
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475:, December 1991). Typically the
455:Finger user information protocol
404:Finger user information protocol
721:"Origins of the finger command"
1:
2873:Unix network-related software
648:), and current versions of
502:side is implemented by the
2899:
739:– via Colbath, Sean.
582:(among others) to spread.
439:for remote network users.
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1756:
1667:
1028:
755:"An analysis of the worm"
562:as a way to initiate a
36:Internet protocol suite
2878:Windows administration
1785:File system navigation
1687:Unix SUS2008 utilities
1682:Standard Unix programs
1074:command-line interface
729:alt.folklore.computers
695:Social network service
2827:Windows Support Tools
2822:Environment variables
628:It is implemented on
2817:List of DOS commands
2715:Software development
2542:Maintenance and care
1575:Software development
534:files in the user's
437:presence information
420:Request for Comments
414:Name/Finger protocol
400:Name/Finger protocol
753:(8 December 1988).
589:Application support
396:computer networking
2858:Internet Standards
2853:Internet protocols
1771:Windows PowerShell
608:. You can help by
564:social engineering
2835:
2834:
1709:
1708:
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1036:
1000:irc / irc6 / ircs
762:Purdue University
626:
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550:Security concerns
408:network protocols
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43:Application layer
16:(Redirected from
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2186:User environment
1776:Recovery Console
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1973:Disk management
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802:(December 1991)
792:(December 1977)
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1748:programs and
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1622:Miscellaneous
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1031:Protocol list
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19:
18:Finger (Unix)
1746:command-line
1698:
1676:
994:
805:
765:. Retrieved
745:
714:
627:
617:January 2011
614:
610:adding to it
605:
584:
569:
557:
553:
529:
523:
517:
513:command line
492:
486:
480:
472:
470:
458:
449:time-sharing
441:
417:
403:
399:
393:
354:
314:
247:
197:
29:
2594:pnpunattend
2564:eventcreate
2559:driverquery
2518:ssh-keyscan
1761:COMMAND.COM
1085:File system
949:view-source
690:Ph Protocol
576:Morris worm
570:The finger
459:The finger
432:Les Earnest
406:are simple
2842:Categories
2624:systeminfo
2513:ssh-keygen
2401:Networking
2045:manage-bde
2015:diskshadow
1677:Categories
968:Unofficial
929:sip / sips
706:References
488:in.fingerd
325:Link layer
2799:tpmvscmgr
2508:ssh-agent
2413:bitsadmin
2319:Scripting
2084:Processes
1932:Archiving
1886:openfiles
1537:Searching
1226:Processes
725:Newsgroup
700:WebFinger
638:Unix-like
2774:gpupdate
2769:gpresult
2695:bootsect
2654:wevtutil
2634:typeperf
2629:tracerpt
2619:sxstrace
2604:REAgentC
2589:ntbackup
2554:dispdiag
2549:auditpol
2463:PathPing
2458:nslookup
2433:ipconfig
2428:hostname
2357:forfiles
2208:graftabl
2177:regsvr32
2150:Registry
2141:tasklist
2136:taskkill
2126:shutdown
2121:schtasks
2106:powercfg
2075:vssadmin
2060:scandisk
2050:refsutil
2020:drvspace
2010:diskraid
2005:diskpart
2000:diskcopy
1995:diskcomp
1944:extrac32
1913:robocopy
1898:(rename)
1345:basename
954:ws / wss
847:Official
679:See also
674:Lagrange
671:Kristall
525:.project
465:TCP port
463:runs on
402:and the
2794:tpmtool
2728:exe2bin
2700:fixboot
2690:bootcfg
2685:bcdedit
2659:winmgmt
2649:wecutil
2644:WBAdmin
2599:pnputil
2584:msiexec
2579:mofcomp
2523:tracert
2503:ssh-add
2473:rpcping
2453:netstat
2438:nbtstat
2392:timeout
2337:cscript
2299:findstr
1985:convert
1954:makecab
1949:extract
1918:takeown
1902:replace
1891:recover
1860:deltree
1856:(erase)
1844:compact
1794:(chdir)
1743:Windows
1450:strings
1370:dirname
1294:logname
1243:crontab
767:10 June
733:Usenet:
727::
650:Windows
646:FreeBSD
580:fingerd
560:hackers
493:finger
482:fingerd
355:more...
339:Tunnels
315:more...
248:more...
198:more...
187:TLS/SSL
142:ONC/RPC
79: (
2789:pentnt
2784:MSCDEX
2733:QBasic
2705:fixmbr
2664:winsat
2574:logman
2488:setspn
2423:getmac
2382:prompt
2342:doskey
2327:choice
2258:whoami
2228:setver
2198:cmdkey
2172:regini
2035:fsutil
2030:format
1990:defrag
1980:chkdsk
1939:expand
1876:mklink
1865:icacls
1839:cipher
1829:attrib
1430:printf
1355:csplit
1097:chattr
1010:magnet
995:finger
985:gemini
975:coffee
939:telnet
914:mailto
889:gopher
798:
788:
735:
667:Minuet
657:ELinks
632:(like
572:daemon
508:finger
500:client
495:daemon
477:server
461:daemon
428:finger
398:, the
182:Telnet
81:HTTP/3
2764:dpath
2749:break
2723:debug
2639:w32tm
2609:relog
2533:winrs
2528:winrm
2478:route
2448:netsh
2377:pause
2304:print
2284:edlin
2253:where
2243:title
2162:ftype
2157:assoc
2131:start
2111:runas
2055:subst
2040:label
2025:fdisk
1923:xcopy
1907:rmdir
1870:mkdir
1834:cacls
1808:pushd
1654:sleep
1608:strip
1588:ctags
1523:unset
1503:alias
1485:xargs
1465:troff
1425:patch
1420:paste
1395:iconv
1324:write
1314:uname
1217:umask
1207:touch
1197:split
1192:rmdir
1167:mkdir
1152:fuser
1117:cksum
1112:chgrp
1107:chown
1102:chmod
1020:ymsgr
1015:rsync
1005:ldaps
899:https
854:about
758:(PDF)
642:Linux
634:macOS
544:humor
531:.plan
491:(for
444:WAITS
309:IPsec
87:HTTPS
2779:help
2759:dism
2669:wmic
2493:sftp
2468:ping
2418:curl
2372:more
2362:goto
2347:echo
2332:clip
2309:type
2294:find
2279:edit
2274:comp
2238:time
2233:setx
2218:path
2213:mode
2203:date
2193:chcp
2101:kill
2096:exit
1909:(rd)
1881:move
1872:(md)
1849:copy
1813:tree
1803:popd
1700:List
1639:expr
1613:yacc
1598:make
1549:grep
1544:find
1528:wait
1518:test
1513:echo
1470:uniq
1455:tail
1445:sort
1435:read
1410:more
1400:join
1390:head
1385:fold
1365:diff
1350:comm
1309:tput
1304:talk
1299:mesg
1289:exit
1268:time
1258:nice
1253:kill
1212:type
1147:file
1071:Unix
990:feed
980:ed2k
959:xmpp
924:nntp
909:ldap
904:info
894:http
874:file
869:data
864:crid
859:acct
800:1288
769:2021
685:LDAP
662:Lynx
644:and
630:Unix
528:and
506:and
504:name
426:and
424:name
304:IGMP
284:ICMP
242:QUIC
237:RSVP
232:SCTP
227:DCCP
192:XMPP
172:SNMP
167:SMTP
152:RTSP
127:OSPF
117:NNTP
112:MQTT
107:MGCP
102:LDAP
92:IMAP
77:HTTP
57:DHCP
2804:wsl
2754:cls
2614:sfc
2498:ssh
2483:scp
2443:net
2408:arp
2387:rem
2352:for
2248:ver
2223:set
2167:reg
2070:vol
2065:sys
1964:tar
1959:pax
1896:ren
1854:del
1798:dir
1634:cal
1593:lex
1565:man
1440:sed
1360:cut
1340:awk
1319:who
1284:env
1202:tee
1182:pwd
1177:pax
1122:cmp
1092:cat
944:urn
934:tag
919:nfs
884:geo
879:ftp
796:RFC
790:742
786:RFC
636:),
612:.
485:or
394:In
349:MAC
344:PPP
334:ARP
299:ECN
294:NDP
222:UDP
217:TCP
177:SSH
162:SIP
157:RIP
147:RTP
137:PTP
132:POP
122:NTP
97:IRC
72:FTP
67:DNS
52:BGP
2844::
2367:if
2289:fc
2116:sc
2091:at
1792:cd
1649:od
1644:lp
1629:bc
1603:nm
1583:ar
1508:cd
1480:wc
1475:vi
1460:tr
1415:nl
1405:m4
1380:ex
1375:ed
1263:ps
1248:fg
1238:bg
1233:at
1187:rm
1172:mv
1162:ls
1157:ln
1142:df
1137:du
1132:dd
1127:cp
760:.
731:.
723:.
546:.
515:.
288:v6
277:v6
272:v4
267:IP
61:v6
1735:e
1728:t
1721:v
1063:e
1056:t
1049:v
832:e
825:t
818:v
771:.
619:)
615:(
383:e
376:t
369:v
290:)
286:(
83:)
63:)
59:(
20:)
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