最新登录虚拟主机发现一个错误，有异常IP尝试登录我的虚拟主机：

There were 37 failed login attempts since the last successful login.

解决办法：修改SSH默认的端口号22。

一、修改配置文件：

[root@linux ~]： vi /etc/ssh/sshd_config`

#   $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $# This is the sshd server system-wide configuration file.  See# sshd_config(5) for more information.# This sshd was compiled with PATH=/usr/local/bin:/usr/bin# The strategy used for options in the default sshd_config shipped with# OpenSSH is to specify options with their default value where# possible, but leave them commented.  Uncommented options override the# default value.# If you want to change the port on a SELinux system, you have to tell# SELinux about this change.# semanage port -a -t ssh_port_t -p tcp #PORTNUMBER#Port 8080#AddressFamily any#ListenAddress 0.0.0.0#ListenAddress ::# The default requires explicit activation of protocol 1#Protocol 2# HostKey for protocol version 1#HostKey /etc/ssh/ssh_host_key# HostKeys for protocol version 2HostKey /etc/ssh/ssh_host_rsa_key#HostKey /etc/ssh/ssh_host_dsa_keyHostKey /etc/ssh/ssh_host_ecdsa_keyHostKey /etc/ssh/ssh_host_ed25519_key# Lifetime and size of ephemeral version 1 server key#KeyRegenerationInterval 1h#ServerKeyBits 1024... ...

去掉#号，修改Port值为你想要的，比如8080；

二、重启SSH服务

[root@linux ~]： service sshd restart