SOHO : Small Office Home Office
Freeware - Opensource software tips, tricks, tweaks & fixes for managing, securing, improving the performance of SOHO Desktop, Laptop, Networks

Saturday, November 6, 2021

Login to dd-wrt by ssh (+diffie-hellman-group1-sha1)

  • Enable ssh from Services page

In your windows or linux machine, under the user home folder

  • Create a folder ".ssh" (dot ssh)
  • Create a file named "config" inside the .ssh folder
  • Contents of config file

    Host  192.168.1.1 ddwrt.lan
        KexAlgorithms +diffie-hellman-group1-sha1
        user root
        port 2222

  • Set the file permission to 600
             chmod 600 ~/.ssh/config (linux)
  • Steps to set the file permission on windows

Right click config file > properties > security> Advanced>Disable inheritance

Right click config file > properties > security> Advanced>remove all from permission entries except your username

Right click config file > properties > security> Advanced> select your username > edit > full control 

Apply and close window

  
  •     Run command  : 
ssh -o KexAlgorithms=+diffie-hellman-group1-sha1 root@ddwrt.lan

 

where root is the user name of router admin, ddwrt.lan is the hostname router, can be replaced with the ip address

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