Rocky Linux 에서 버전 낮은 Linux 서버 SSH 접속 오류

SSH 접속 시도시 아래 로그 출력 후 접속 불가

 

[root@localhost ~]# ssh root@210.181.103.60

Unable to negotiate with 210.181.103.60 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

 

 

SHA-1 알고리즘 추가

# update-crypto-policies --set DEFAULT:SHA1

 

[root@localhost ~]# update-crypto-policies --set DEFAULT:SHA1

Setting system policy to DEFAULT:SHA1

Note: System-wide crypto policies are applied on application start-up.

It is recommended to restart the system for the change of policies

to fully take place.

 

[root@localhost ~]# ssh root@210.181.103.60

root@210.181.103.60's password:

Last login: Wed Jun 19 14:44:49 2024 from 58.151.52.162

 

[root@dh-1812 ~]# exit

logout