<p>在运维过程中，常常会telnet某个ip端口，如果 能telnet通，怎么退出呢 ？</p><p>1、telnet 63.172.25.18 6463 回车</p><p>Trying 63.172.25.18...</p><p>Connected to 63.172.25.18 (63.172.25.18).</p><p>Escape character is '^]'.</p><p></p><p>2、ctrl + ] 回车</p><p>telnet></p><p>3、? 回车</p><p>close close current connection</p><p>logout forcibly logout remote user and close the connection</p><p>display display operating parameters</p><p>mode try to enter line or character mode ('mode ?' for more)</p><p>open connect to a site</p><p>quit exit telnet</p><p>send transmit special characters ('send ?' for more)</p><p>set set operating parameters ('set ?' for more)</p><p>unset unset operating parameters ('unset ?' for more)</p><p>status print status information</p><p>toggle toggle operating parameters ('toggle ?' for more)</p><p>slc change state of special charaters ('slc ?' for more)</p><p>auth turn on (off) authentication ('auth ?' for more)</p><p>encrypt turn on (off) encryption ('encrypt ?' for more)</p><p>forward turn on (off) credential forwarding ('forward ?' for more)</p><p>z suspend telnet</p><p>! invoke a subshell</p><p>environ change environment variables ('environ ?' for more)</p><p>? print help information</p><p></p><p>4、quit 回车</p><p>Connection closed.</p>