Reading configuration data /root/.ssh/config Reading configuration data /etc/ssh_config Allocated local port 1023. Connecting to 192.168.1.130, port 22. Remote protocol version 2.0, remote software version OpenSSH_4.3p2 Debian-9 Net::SSH::Perl Version 1.34, protocol version 2.0. No compat match: OpenSSH_4.3p2 Debian-9. Connection established. Sent key-exchange init (KEXINIT), wait response. Algorithms, c->s: 3des-cbc hmac-sha1 none Algorithms, s->c: 3des-cbc hmac-sha1 none Segmentation Fault .