Mache ich einen SSH Verbindung:
user@user-HP:~$ ssh -vvv server1 OpenSSH_8.9p1 Ubuntu-3, OpenSSL 3.0.2 15 Mar 2022 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files debug1: /etc/ssh/ssh_config line 21: Applying options for * debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/home/user/.ssh/known_hosts' debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/home/user/.ssh/known_hosts2' debug2: resolving "server1" port 22 debug3: resolve_host: lookup server1:22 debug3: ssh_connect_direct: entering debug1: Connecting to mon01 [1x.1xx.1xx.1xx] port 22. debug3: set_sock_tos: set socket 3 IP_TOS 0x10 ssh: connect to host mon01 port 22: Connection timed out
Dann:
user@user-HP:~$ ping server1 PING server1 (1xx.1xx.1xx.1xx) 56(84) bytes of data. 64 bytes from server1.example.com (1xx.1xx.1xx.1xx): icmp_seq=1 ttl=63 time=0.843 ms 64 bytes from server1.example.com (1xx.1xx.1xx.1xx): icmp_seq=2 ttl=64 time=0.720 ms 64 bytes from server1.example.com (1xx.1xx.1xx.1xx): icmp_seq=3 ttl=64 time=0.800 ms ^C --- server1 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 0.720/0.787/0.843/0.050 ms
Danach (nichts dazwischen gemacht!)
user@user-HP:~$ ssh server1 user@server1's password: Welcome to Ubuntu 22.04.1 LTS (GNU/Linux 5.15.0-52-generic x86_64) user@server1:~$''
Auf einmal geht es!
Kann mir das jemand erklären?
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