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星期二, 3月 23, 2021

How to disable weak ssh algorithms

For server side, 1. vi /etc/ssh/sshd_config 2. add the following lines Ciphers aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes128-ctr MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,hmac-sha1 KexAlgorithms diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 3. systemctl restart sshd For client side, 1. vi /etc/ssh/ssh_config 2. add the following lines Ciphers aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes128-ctr MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,hmac-sha1 KexAlgorithms diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 3. systemctl restart sshd To verify the setting 1. sshd -T |grep macs 2. sshd -T |grep kexalgorithms 3. sshd -T |grep ciphers To verify client setting 1. ssh -Q kex

星期四, 1月 28, 2021

How to export Windows 10 stored wifi password

1. Open command prompt in Admin mode 2. netsh wlan show profile 3. netsh wlan export profile folder=c:\ key=clear 4. All wifi profiles are exported in xml format in C:\ 5. Open then one by one and you can see the wifi password there