強化root登入安全性如何做? - Linux

By Zenobia
at 2015-10-08T18:36
at 2015-10-08T18:36
Table of Contents
承上文,不過標題改為'如何改預設 telnet port'
後來找資料才發現,linux開機程序會最先跑什麼程式,
原來最先會去 /etc目錄找 inittab 檔看裡面要執行什麼,再執行....
這樣找下來終於找到 telnetd 的設定,過程如下
/etc/inittab http://i65ynb.2fh.co/txtfo5/inittab
--> /etc/init.d/rcS http://i65ynb.2fh.co/txtfo5/rcS
--> /mnt/mtd/boot.sh http://i65ynb.2fh.co/txtfo5/boot.sh-
--> /mnt/mtd/dep2.sh http://i65ynb.2fh.co/txtfo5/dep2.sh-
telnetd 就在最後 dep2.sh 裡面, 改成任意port54321
就編輯 dep2.sh 改打 telnetd -p 54321 就ok了,重開機測試也成功。
前面前輩的建議如ssh加密防火牆超過我的能力做不來,
只好做自己能做的也有點效果啦!
--
後來找資料才發現,linux開機程序會最先跑什麼程式,
原來最先會去 /etc目錄找 inittab 檔看裡面要執行什麼,再執行....
這樣找下來終於找到 telnetd 的設定,過程如下
/etc/inittab http://i65ynb.2fh.co/txtfo5/inittab
--> /etc/init.d/rcS http://i65ynb.2fh.co/txtfo5/rcS
--> /mnt/mtd/boot.sh http://i65ynb.2fh.co/txtfo5/boot.sh-
--> /mnt/mtd/dep2.sh http://i65ynb.2fh.co/txtfo5/dep2.sh-
telnetd 就在最後 dep2.sh 裡面, 改成任意port54321
就編輯 dep2.sh 改打 telnetd -p 54321 就ok了,重開機測試也成功。
前面前輩的建議如ssh加密防火牆超過我的能力做不來,
只好做自己能做的也有點效果啦!
--
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Linux
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