2026/01/22 Pythonè¨èªã®æ¸ãæ¹ Pythonéçºç°å¢ 2026/01/18 Python Bokeh Redmine Wikiè¨æ³ 2026/01/17 Pythonéçºç°å¢ Windows 2026/01/12 Python Plotly 2026/01/11 Python ã°ã©ãããããã©ã¤ãã©ãª IntelliJ Python 2026/01/10 çºè¡¨ãã¿ - JJUG CCC 2016 Fallåã JavaFXã¨ã¢ããã°æè¨ ãªãã¸ããªã¢ã¯ã»ã¹ Redmineã«ãã©ã°ã¤ã³ãå ¥ãã Homebrew Cygwin64 ssh¶ ç®æ¬¡Cygwin64 sshOpenSSHOpenSSH 7.1 åé¡ã¨è§£æ±ºCygwinãã¢ãããã¼ããããsshã®å ¬ééµèªè¨¼ãã¹ããããããã¹ã¯ã¼ãèªè¨¼ã«ãªã£ã¦ãã¾ã£ãã¾ã¨ã詳細 OpenSSH¶ OpenSSH 7.1¶ åé¡ã¨è§£æ±ºÂ¶
ssh使ã£ã¦ã¾ããï¼å ¬ééµèªè¨¼ä½¿ã£ã¦ã¾ããï¼ã¯ã©ã¦ããµã¼ãã¹ãVPSãµã¼ãã¹ã§ãªã¢ã¼ããã°ã¤ã³ããéãã»ãã¥ãªãã£ãå¼·åããããã«ä½¿ãããå ¬ééµèªè¨¼ã§ãããéµã®ä½ãæ¹ï¼æå·åæ¹å¼ï¼ã«ããã¤ã種é¡ãããã¾ãããã®æå·åæ¹å¼ã§ã¡ãã£ã¨å°ã£ããã¨ããã£ãã®ã§ãã»ãã¥ãªãã£å¼·åã®æå³ãè¾¼ãã¦ãè¨å®ãè¦ãªããã¦ã¿ããã¨ã«ãã¾ããã Ububtu 16.04ã«ãã°ã¤ã³ã§ããªãäºä»¶å°ã£ããSSHã§ãã°ã¤ã³åºæ¥ãªããã§ããæã¯ã©ã¦ãç°å¢ã«ä½ã£ãUbuntu 16.04ç°å¢ã«ãsshãã°ã¤ã³ã§ããªããä½åº¦ãç°å¢ä½ããªããããã§ããã䏿ãè¡ãããä½ãèµ·ãã¦ããã®ãåãããã«æ©ããã¨æ°æéãæçµçã«ãå ¬ééµãä½ããªãããã¨ã§ããã°ã¤ã³ã§ããããã«ãªãã¾ããã ä½ããã¡ã ã£ããã¨ããã¨ãå ã 使ã£ã¦ããå ¬ééµãdsaå½¢å¼ã ã£ããããrsaã«å¤æ´ãããããã°ã¤ã³ã§ãã¾ããã ãããªã¨ããã§å¼ã£ããã£ããã¨ãç¡ãã£ã
å æ¥Twitterã«æ¬¡ã®ãããªæ¸ãè¾¼ã¿ãããã¨ããæã£ãããåå¿ãè¯ãã£ãã®ã§ã詳細ã®è¨å®ãç´¹ä»ãã¾ãã UDP53çªãTCP443çªãUDP123çªã¨ãã¼ããããã³ã°ãããã¨TCP443çªã«10ç§ã ãsshdãç¾ãããã¨ããä¸äºç å ¨éã®è¨å®ããããçæ§ã«ããå§ãããããâ hnw (@hnw) 2017å¹´3æ26æ¥ ã¨ãã£ã¦ãç¹æ®ãªãã¨ãããããã§ã¯ãªããknockdã§ãã¼ããããã³ã°ã®è¨å®ãè¡ããiptablesã¨çµã¿åããã¦å®ç¾ãã¾ããã ãã¼ããããã³ã°ã¨ã¯ ãã¼ããããã³ã°ã¨ããã®ã¯ã決ãããããã¼ããæ±ºããããé çªã§å©ããã¨ã§ãã¡ã¤ã¢ã¼ã¦ã©ã¼ã«ã«ç©´ã空ãããããããªä»çµã¿ã®ãã¨ã§ãããã¼ããããã³ã°ã使ãã°ãTCPã®7000çªã8000çªã9000çªã®3ãã¼ãã«ãã±ãããéãã¤ããã¨22çªãã¼ã (SSH) ã¸ã®ã¢ã¯ã»ã¹ã許å¯ããããã¨ãã£ãè¨å®ãã§ãã¾ãã ãã¼ããããã³ã°ã®
ããã«ã¡ã¯ã大éªã®å¸ç°ã§ãã ä»åã¯ãä¸è¨ã®ããã°ã®å 容ãå ã«ãè¸ã¿å°ãµã¼ãçµç±ã®SSHã»ãã·ã§ã³ãè¨é²ããæ¹æ³ããç´¹ä»ãã¾ãã How to Record SSH Sessions Established Through a Bastion Host | AWS Security Blog å°ãè¸ã¿å°ãµã¼ãã¯Amazon Linuxãæ³å®ãã¦ãã¾ãã ãã¤ã³ã ãã®è¨äºã®ãã¤ã³ãã¯ä¸è¨ã§ãã OpenSSHã®è¨å®ã®ä¿®æ£ scriptã³ãã³ãã®å©ç¨ è¸ã¿å°ãµã¼ãã¦ã¼ã¶ã®æ¨©éå¶é ãã°ãã¡ã¤ã«ã®S3ä¿ç®¡ S3ã«ããè¸ã¿å°ãµã¼ãã¦ã¼ã¶ã®èªå管ç SSHã®ã¨ã¼ã¸ã§ã³ããã©ã¯ã¼ãå©ç¨ CloudFormationã§ç°å¢æ§ç¯ ããã§ã¯é ã«èª¬æãã¦ããããã¨æãã¾ãã æ§æ æ³å®ã®æ§æã¯ä¸è¨ã®éãã§ãã ãã°ãã¡ã¤ã«ã®ãã£ã¬ã¯ããªä½æ ã¾ãã¯ãè¸ã¿å°ãµã¼ãã«ãã°ã®ä¿åãã£ã¬ã¯ããªã使ããã¢ã¯ã»ã¹å¶é
æè¤ã§ããããã«ã¡ã¯ã 仿¥ã¯ããã¼ã¢ã³ã®èµ·åã»çµäºã«éãã¦ã¯serviceã³ãã³ãã使ã£ãæ¹ãããããã¨ããã話ã§ãã â»CentOS 6.4 (x86_64) ã§ãã¹ããã¦ãã¾ããå°ãç¹è¨ãããæãé¤ãã¾ãã ãã¼ã¢ã³ã®èµ·åã»çµäºã«ã¯å¤§ãã2æ Linuxãç¹ã«RedHat, CentOS, Fedora, Ubuntu[1]ãªã©ã§ã¯ããã¼ã¢ã³ã®èµ·åã»çµäºã®å¶å¾¡ã®éã«ã大ããåãã¦æ¬¡ã®2ã¤ã®æ¹æ³ãç¨ããäºãã§ãã¾ãã "/etc/init.d/"é ä¸ã®ã¹ã¯ãªãã(以ä¸ãã¹ã¯ãªãã)ãç´æ¥å®è¡ãã "service"ã³ãã³ããå®è¡ãã ä¸è¦ãåãäºããã£ã¦ããããã«æããã®ã§ãããå®ã¯éãé¨åãããã¾ããããã¯ãèµ·åã¹ã¯ãªãããæ±ãç°å¢å¤æ°ãéãã®ã§ããæ¬¡ã®ç¯ã§ãæ¤è¨¼ãã¦ã¿ã¾ãã æ±ãç°å¢å¤æ°ãéã ã¹ã¯ãªãããç´æ¥å®è¡ããå ´åã¯ãå®è¡æã®éã®ç°å¢å¤æ°ããã®ã¾ã¾å©ç¨ãã¾ãã䏿¹ãserv
å ¬ééµãç§å¯éµãè¨å®ãããããã°ã¤ã³ãããã¨ãã㨠Server refused our key ã¨ã¡ãã»ã¼ã¸ã表示ããã¦ãã°ã¤ã³ãã§ãã¾ããã ãµã¼ãã¼ã®ãã°ã確èªããã¨ããã以ä¸ã®ãããªãã°ãåºã¦ãã¾ããã Authentication refused: bad ownership or modes for directory /home/yamasaki Authentication refused: bad ownership or modes for directoryã§ãããã¨ä»¥ä¸ã®è¨äºãããã¾ããã ã¯ã©ã¤ã¢ã³ãå´ã®ã¦ã¼ã¶ã®ãã¼ã ãã£ã¬ã¯ããªã®ãã¼ããã·ã§ã³ã«ã注æãããææè 以å¤ã®æ¸è¾¼ã¿æ¨©ãè¨å®ãã¦ããã¨ã ãã ãã¨ãã°ã/home/hogeã®ãã¼ããã·ã§ã³ã777ã®å ´åãå ¬ééµèªè¨¼ã§sshãã°ã¤ã³ãããã¨ããã¨ã Permission denied (publickey,
以åã®è¨äºã$HOME/.ssh/configãæ´»ç¨ãã¦ãã¾ããï¼ãã§ã¯ãè¨å®ãã¡ã¤ã«ãå°ãé å¼µã£ã¦æ¸ãã°æ®æ®µã®SSHã©ã¤ããéåå¤ããã¾ãããã¨ç´¹ä»ãã¾ããã仿¥ã¯ãã®ç¶ç·¨ã§ããååããããã¢ãã¯ãªè¨å®ãç´¹ä»ãã¾ãã 2段以ä¸å ã®ãµã¼ãã«ãã°ã¤ã³ãã Dynamic Forwardæ©è½ã使ã å ±éè¨å®ãã¾ã¨ãã¦æ¸ã 2段以ä¸å ã®ãµã¼ãã«ãã°ã¤ã³ãã ç®çã®ãµã¼ãã«ãã°ã¤ã³ããããã«ãè¸ã¿å°çãªãµã¼ããçµç±ããªãã¨å ¥ããªãç°å¢ãããã¾ããä¾ãã°ãdmzçµç±ã§ãªãã¨DBãµã¼ãã«ãã°ã¤ã³ã§ããªãç°å¢ãã¨ããã®ã¯è¯ãããæ§æã§ãããã ãã®ãããªå ´åã«ãProxyCommandãã©ã¡ã¼ã¿ãå©ç¨ã§ãã¾ãã ä¸ã®è¨å®ã§ãssh db1ãã¨ããã¨ãsshã§dmzã«æ¥ç¶ããdmzãã192.168.0.201ã¸ãã°ã¤ã³ãã¾ãããããå©ç¨ããã«ã¯è¸ã¿å°ãµã¼ãã«ncã³ãã³ããå¿ è¦ã§ããã大æµã®ç°å¢ã«ã¤ã³ã¹ã
以ä¸ãä¸è¨ã®æ¹æ³ã®è©³ç´°ã¨åé¡ç¹ã»é©ç¨ç¯å²ã«ã¤ãã¦èª¬æãã¦ããã¾ãã SSHæ¥ç¶ãæ¾ç½®ããªã ãã°ã¤ã³ãã¦ä½¿ãå ´åã¯ãç¨ãæ¸ãã ãexitãã¾ãããã æ±ç¨çã§ãã¤ã»ãã¥ãªãã£çã«ãæå¥ã®ãªãæ¹æ³ã§ãã çè ã«ã¯çµ¶å¯¾ã«ç¡çã§ãã ã«ã¼ã¿ã®è¨å®ããªãã¨ããã ã«ã¼ã¿ã®ã¿ã¤ã ã¢ã¦ãè¨å®ãå»¶ã°ãã®ãä¸çªã¾ã¨ããªè§£æ±ºæ¹æ³ã§ãã çæéã§NATãã¼ãã«ãã¯ãªã¢ãã¦ãã¾ãããã«èµ·ãããã©ãã«ãªã®ã§ã ã¯ãªã¢ããã¾ã§ã®æéãé常ã«é·ãããã°OKã¨ãããã¨ã«ãªãã¾ãã ãã£ã¨ãã è¨å®å¤æ´ãã§ããªãå ´åãããã§ããããã æ©å¨ã«ãã£ã¦ã¯NATãã¼ãã«ãããµãã¦ãã¾ãå¯è½æ§ããããªã©ã é©ç¨ã§ããªãå¯è½æ§ãããã¾ãã ã¾ãã15åã§åããã®ã2æéã§åããããã«ãªã£ãã¨ããã§ åé¡ã¨ãã¦ã¯å¤ãã£ã¦ããªãã¨ãããã¾ãã ãã°ã¤ã³å ã§å®æçã«ä½ããåºåããããã°ã©ã ãå®è¡ãã 端æ«ãåå¾ããå ´åã®ã¿æå¹ãªæ¹æ³ã§ã
sshã§ã®ã¢ã¯ã»ã¹ããIPããã¦ã¼ã¶ãã¨ã«å¶éããããäºãã§ãã¾ãã ããã§ã¯ãpam ã¨å¼ã°ããèªè¨¼ã®ä»çµã¿ãå©ç¨ãã¾ãã Last Update : 2006å¹´09æ05æ¥ ssh ããã¦ã¼ã¶ãIPã§ã¢ã¯ã»ã¹å¶é æé åè¨å®ãã¡ã¤ã«ã®ç·¨é å¿ è¦ã§ããã°ãsshd ã®åèµ·å è¨å®ãã¡ã¤ã« /etc/security/access.conf /etc/pam.d/sshd /etc/ssh/sshd_config 1. åè¨å®ãã¡ã¤ã«ã®ç·¨é ä¸ã§ç´¹ä»ããè¨å®ãã¡ã¤ã«ã§ãããããã©ã«ãã§sshã«pamãæå¹ã«ããè¨å®ãããã¦ããå ´åãããã¾ãã ãã®å ´åã¯ã1-1ã1-2ã®è¨å®ãã¡ã¤ã«ãä¿åããç¬éããããã®å¤æ´ãæå¹ã¨ãªãã¾ãã ãããã¯ã¼ã¯ããã®å ´åã¯ãè¿ãã®ç«¯æ«ã使ã£ã¦ãã¹ããããªã©ãã¦æ°ãã¤ãã¾ãããã 1-1. /etc/security/access.confãã®ç·¨é ãã®ãã¡
SSHã¨ããã©ãããã©ã«ãã®ã¾ã¾ã§ä½¿ã£ã¦ãããªããããã«ã¯å±éºãªè½ã¨ãç©´ãåå¨ãããæ¬ç¨¿ã§ã¯ãSSHã®ã»ãã¥ãªãã£ãé«ããã®ã«å½¹ç«ã¤ç°¡åãªæ¹æ³ãå¹¾ã¤ãç´¹ä»ããã ãã®è¨äºã§ã¯ãSSHï¼secure shellï¼ãµã¼ãã¹ã®ã»ãã¥ãªãã£ãé«ããã®ã«å½¹ç«ã¤ç°¡åãªæ¹æ³ãå¹¾ã¤ãç´¹ä»ããã SSHãµã¼ãã®è¨å®ãã¡ã¤ã«ã¯/etc/ssh/sshd_configã¨ãªã£ã¦ããããã®ãã¡ã¤ã«ã夿´ããå¾ã¯ã夿´ãåæ ãããããã«ãã®é½åº¦SSHãµã¼ãã¹ãèµ·åãç´ãå¿ è¦ãããã SSHãæ¥ç¶ãå¾ ã¡åãããã¼ãã®å¤æ´ SSHã¯ããã©ã«ãã§ã¯22çªãã¼ãã§æ¥ç¶ãå¾ ã£ã¦ãããæ»æè ã¯ãã¼ãã¹ãã£ãã使ã£ã¦ãã¹ããSSHãµã¼ãã¹ãå®è¡ãã¦ãããã©ãããææ¡ããããï¼nmapãå«ãï¼ããã¦ãã®ãã¼ãã¹ãã£ãã§ã¯ããã©ã«ãã§ã¯1024以ä¸ã®ãã¼ãçªå·ã®ã¹ãã£ã³ã¯è¡ãªãããªããããSSHç¨ã®ãã¼ãã1024以ä¸ã®çªå·ã«å¤æ´ãã¦
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã¡ã³ããã³ã¹
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}