Updating openssh on Centos 7

instructions.MD

Compiling and Installing OpenSSH 9.0p1 on CentOS 7

Instructions:

1. Download the Source Code:

   wget -c https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-9.0p1.tar.gz

2. Extract the Archive:

   tar -xzvf openssh-9.0p1.tar.gz

3. Change Directory:

   cd openssh-9.0p1/

4. Install Dependencies (Example for CentOS/RHEL):

   yum groupinstall 'Development Tools'
   yum install -y pam-devel libselinux-devel zlib-devel openssl-devel

5. Configure the Build:

   ./configure --with-pam --with-selinux --with-privsep-path=/var/lib/sshd/ --sysconfdir=/etc/ssh

6. Compile the Source Code:

   make

7. Install OpenSSH:

   make install

8. Set Permissions on Key Files:

   chmod 0600 /etc/ssh/ssh_host_rsa_key
   chmod 0600 /etc/ssh/ssh_host_ecdsa_key
   chmod 0600 /etc/ssh/ssh_host_ed25519_key

9. Disable GSSAPI Options (If Needed):

   sed -i -e '/^GSSAPIAuthentication/ s/^/#/' -e '/^GSSAPICleanupCredentials/ s/^/#/' /etc/ssh/sshd_config

10. Restart the SSH Service:

    sudo systemctl restart sshd

11. Verify Installation:

    ssh -V

12. ???

13. profit