请问这可能是哪个地方没有设置好?

telnet localhost 23
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
BBS 最近 (1,5,15) 分钟的平均负荷分别为 0.00, 0.00, 0.00 (目前上限 = 20).
健康状态

execl failedConnection closed by foreign host.
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FROM 202.206.1.26