SSH版本号修改

[root@localhost ~]# whereis ssh
 ssh: /usr/bin/ssh /etc/ssh /usr/share/man/man1/ssh.1.gz
 [root@localhost ~]# ssh -V
 OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017
 [root@localhost ~]# cp /usr/bin/ssh /usr/bin/ssh.bak
 [root@localhost ~]# strings /usr/bin/ssh |grep OpenSSH
 OpenSSH_7.4p1
 OpenSSH_7.4
 OpenSSH_2.3.0*
 OpenSSH_2.3.*
 OpenSSH_2.5.3*
 OpenSSH_3.*
 OpenSSH_4*
 OpenSSH_5*
 OpenSSH_6.6.1*
 OpenSSH_6.5,OpenSSH_6.6
 OpenSSH*
 OpenSSH-2.0,OpenSSH-2.1,OpenSSH_2.1,OpenSSH_2.2
 OpenSSH_2.5.0p1,OpenSSH_2.5.1p1
 OpenSSH_2.5.0,OpenSSH_2.5.1,OpenSSH_2.5.2*
 OpenSSH_2.,OpenSSH_3.0,OpenSSH_3.1*
 [root@localhost ~]# sed -i 's/OpenSSH_7.4/OpenSSH_9.4/g' /usr/bin/ssh
 [root@localhost ~]# ssh -V
 OpenSSH_9.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017