Otu esi egosi ozi ịdọ aka na ntị nye ndị ọrụ SSH enweghị ikike
Ịdọ aka ná ntị ọkọlọtọ SSH dị oké mkpa mgbe ụlọ ọrụ ma ọ bụ òtù dị iche iche chọrọ igosi ozi ịdọ aka ná ntị siri ike iji mee ka ndị ọrụ na-enwetaghị ikike ịnweta sava Linux.
A na-egosipụta ozi ịdọ aka ná ntị ọkọlọtọ SSH ndị a tupu ngwa ngwa okwuntughe SSH ka ndị ọrụ na-enwetaghị ikike na-achọ ịnweta mara ihe ga-esochi ime ya. Dịka, ịdọ aka ná ntị ndị a bụ nsonaazụ iwu nke ndị ọrụ na-enweghị ikike nwere ike ịta ahụhụ ma ha kpebie ịga n'ihu na ịnweta sava ahụ.
Kpachara anya na ịdọ aka ná ntị ọkọlọtọ abụghị ụzọ ọ bụla nke igbochi ndị ọrụ na-enweghị ikike ịbanye. Ọkọlọtọ ịdọ aka ná ntị bụ naanị ịdọ aka ná ntị pụtara ịdọ aka ná ntị ndị ọrụ na-enweghị ikike ịbanye. Ọ bụrụ na ịchọrọ igbochi ndị ọrụ na-enweghị ikike ịbanye, wee gbakwunye SSH. achọrọ nhazi.
Ọkọlọtọ SSH nwere ụfọdụ ozi ịdọ aka ná ntị nche ma ọ bụ ozi izugbe. Ndị na-esonụ bụ ụfọdụ ozi ọkọlọtọ SSH nke m na-eji na sava Linux m.
Ọmụmaatụ SSH ọkọlọtọ ozi 1:
################################################################# # _ _ _ _ # # / \ | | ___ _ __| |_| | # # / _ \ | |/ _ \ '__| __| | # # / ___ \| | __/ | | |_|_| # # /_/ \_\_|\___|_| \__(_) # # # # You are entering into a secured area! Your IP, Login Time, # # Username has been noted and has been sent to the server # # administrator! # # This service is restricted to authorized users only. All # # activities on this system are logged. # # Unauthorized access will be fully investigated and reported # # to the appropriate law enforcement agencies. # #################################################################
Ọmụmaatụ SSH ọkọlọtọ Ozi 2:
ALERT! You are entering a secured area! Your IP, Login Time, and Username have been noted and have been sent to the server administrator! This service is restricted to authorized users only. All activities on this system are logged. Unauthorized access will be fully investigated and reported to the appropriate law enforcement agencies.
Enwere ụzọ abụọ iji gosipụta ozi otu na-eji faịlụ issue.net na nke abụọ na-eji faịlụ MOTD.
- /etc/issue.net – Gosipụta ozi ọkọlọtọ ịdọ aka ná ntị tupu nbanye nbanye paswọọdụ.
- /etc/motd – Gosipụta ozi ọkọlọtọ nnabata mgbe onye ọrụ abanyechara.
Yabụ, a na m akwado ndị njikwa sistemụ niile ka ha gosipụta ozi ọkọlọtọ tupu ha ekwe ka ndị ọrụ banye na sistemụ. Dị nnọọ na-eso n'okpuru mfe nzọụkwụ aka SSH osisi ozi.
Gosipụta ozi ịdọ aka na ntị SSH nye ndị ọrụ tupu nbanye
Iji gosi ozi ịdọ aka ná ntị SSH nye ndị ọrụ niile na-enyeghị ikike, ịkwesịrị ịnweta faịlụ /etc/issue.net iji gosipụta ozi ọkọlọtọ site na iji editọ ederede masịrị gị.
$ sudo vi /etc/issue.net Or $ sudo nano /etc/issue.net
Tinye ozi nlele ọkọlọtọ na-esote wee chekwaa faịlụ ahụ. Ị nwere ike itinye ozi ọkọlọtọ ọ bụla na faịlụ a.
################################################################# # _ _ _ _ # # / \ | | ___ _ __| |_| | # # / _ \ | |/ _ \ '__| __| | # # / ___ \| | __/ | | |_|_| # # /_/ \_\_|\___|_| \__(_) # # # # You are entering into a secured area! Your IP, Login Time, # # Username has been noted and has been sent to the server # # administrator! # # This service is restricted to authorized users only. All # # activities on this system are logged. # # Unauthorized access will be fully investigated and reported # # to the appropriate law enforcement agencies. # #################################################################
Ọzọ, mepee faịlụ nhazi /etc/ssh/sshd_config.
$ sudo vi /etc/ssh/sshd_config Or $ sudo nano /etc/ssh/sshd_config
Chọọ okwu ahụ bụ ọkọlọtọ wee wepụta ahịrị ahụ wee chekwaa faịlụ ahụ.
#Banner /some/path
O kwesịrị ịdị ka nke a.
Banner /etc/issue.net (you can use any path you want)
Na-esote, malitegharịa SSH daemon iji gosipụta mgbanwe ọhụrụ.
$ sudo systemctl restart sshd Or $ sudo service restart sshd
Ugbu a gbalịa jikọọ na ihe nkesa, ị ga-ahụ ozi ọkọlọtọ yiri nke dị n'okpuru.
Gosipụta ozi nnabata SSH nye ndị ọrụ mgbe nbanye
Iji gosi SSH nnabata ọkọlọtọ ozi mgbe nbanye, anyị na-eji /etc/motd faịlụ, nke a na-eji na-egosipụta ọkọlọtọ ozi mgbe nbanye.
$ sudo vi /etc/motd Or $ sudo nano /etc/motd
Debe ozi nlele ọkọlọtọ nnabata ma chekwaa faịlụ ahụ.
############################################################### # TECMINT.COM # ############################################################### # Welcome to TecMint.com! # # All connections are monitored and recorded. # # Disconnect IMMEDIATELY if you are not an authorized user! # ###############################################################
Ugbu a gbalịa ọzọ ịbanye n'ime ihe nkesa ị ga-enweta ma ozi ọkọlọtọ. Hụ nseta ihuenyo agbakwunyere n'okpuru.
Ma nke ahụ bụ ya. Anyị na-atụ anya na ị nwere ike tinye ozi ọkọlọtọ SSH nke gị na sava gị iji dọọ ndị ọrụ na-enyeghị ikike aka na ịnweta sistemụ.