我遇到了从机器到远程机器的 ssh 登录缓慢。ssh 的详细信息显示在下面的两个断块中。ssh 在下面显示的块中冻结了 15 秒。
[root@zabbix ~]# ssh -vvv zabbix@172.18.xxx.xx
OpenSSH_5.3p1, OpenSSL 1.0.0-fips 29 Mar 2010
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 172.18.xxx.xx [172.18.xxx.xx] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /root/.ssh/identity type -1
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version Sun_SSH_1.1.4
debug1: no match: Sun_SSH_1.1.4
debug1: Enabling compatibility mode …