由于数次登陆失败，得到如下.提示：.
could .not ope.n terminal session channel 外汇
reson:the. channel could not be open be.cause the connection failed. 汽车
server error detai.ls:.
the transport closed cleanly,b.ut ther e.were still channels active. 外汇
all chan.nels a.re being closed.电影
我重启了服务器.，可是问题依旧，在接.收email的时候如果数次输入密码错误，就无法登陆，请问：外贸
1、如何清除.失败的session 汽车
2、如何设置尝试登陆的次数
