openwrt配置多个sshd

openwrt配置多个sshd

openwrt

目的1

让dropbear监听在wan口上

修改 /etc/config/dropbear

1. config dropbear 

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2. option PasswordAuth 'on' 

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3. option RootPasswordAuth 'on' 

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4. option Port '22' 

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5. # option BannerFile '/etc/banner' 

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6. option Interface 'lan1' 

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7.  

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8. config dropbear 

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9. option PasswordAuth 'on' 

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10. option RootPasswordAuth 'on' 

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11. option Port '2202' 

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12. # option BannerFile '/etc/banner' 

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13. option Interface 'wan' 

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修复启动时序问题

1. admin@A820:~# cat /etc/hotplug.d/iface/50-dropbear  

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2. #!/bin/sh 

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3.  

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4. if [ "$INTERFACE" = "wan" ] && [ "$ACTION" = "ifup" -o "$ACTION" == "ifupdate" ] 

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5. then 

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6. /etc/init.d/dropbear restart 

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7. fi 

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关闭firewall

1. $ /etc/init.d/firewall stop 

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2. # /etc/init.d/firewall disable 

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目的2

免密码登陆AP

客户端Linux PC上

产生公共密钥，并复制到AP上

1. $ ssh-keygen -t dsa 

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2. $ scp ~/.ssh/id_dsa.pub root@192.168.1.1:/tmp 

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服务器端AP上

加入复制过来的密钥到authorized_keys

1. $ cd /etc/dropbear 

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2. $ cat /tmp/id_dsa.pub >> authorized_keys 

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3. $ chmod 0600 authorized_keys 

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