[问题求助]关于频繁出现426 error [复制链接]

有两台同样配置的机.器，一台.作为FTP server测试频繁出现426 error，而另一台偶尔出现，检查网络没有丢包，vsftp.d的版本都一样，请问这是出了什么问题？.
vsftpd..log中记录如下：.
Tue .Jul 31 15:25:.20 2007 [pid 6855] CONNECT: Client "132.136.254.40".
Tue Jul 31 15:25:20 2007 [pid 6855] FTP response: Client "132.136.254.40", "220 Welc.ome to US..BS Rel..
6..4.0 FTP service".
Tue Jul 31 15:25:20 2007 [.pi.d 6855] FTP command: Client "132.136..254.40", "USER bill_ftp".
Tue Jul 31 15:25:.20 2007 [pid. 6855] [bill_ftp] FTP response.: Client "132.136.254.40", "331 Please sp           女人
ecify the passwor.d."           鲜花
Tue Jul. 31 15:25:20 2007 [pid 6855] [bi.ll_.ftp] FTP command: Client "132.136.254.40", "PASS <password            杀毒
>"
Tue Jul 31 15:25:20 2007 [pid 6854.] [bill_ftp] OK LOGIN: Client "132.136.2.54..40"           建材
Tue Jul 31 15:25:20 2007 [pid 6856] [bill_ftp] FTP response: Client "132..13.6.254.40", "23.0 Login suc.
cessful."
Tue Jul .31 15:25:20 2007 [.pid 6856] [bill_ftp] FTP command:. Client "132.136.254.40", "TYPE I"    外汇
Tue Jul 31. 15:25:20 2007 [pid 6856] [bill_ftp] FTP response.: Client "132.136.25.4.40", "200 Switching外贸
to Bina.ry mode."--------------彩票
Tue Jul 31 15:25:20 2007 [pid. 68.56] [bill_ftp] FTP .command: Client "132.136.254.40", "PASV"           鲜花
Tue Jul 31 15:25:20 2007 [pi.d 6856] [bill_ftp] FTP response: Client "132.136..254.40", ".227 Entering 外贸
Passive Mode (132,136.,25.4,164,169,41)".
Tue Jul 31 15:25:20 2007 [pid 6856] [bill_ftp] FTP comman.d: Client "132.136..254.40", "LIST /uce_rel./学习
cdb/buffer/idd_ddd./.s12mgc/".
Tue Jul 31 15:25:20 2007 [pid 6856] [.bill_ftp] FTP response: Client "132.136.254.40", ".150 .Here come(广告)
s. the directory listing."外贸
Tue Jul 31 15:25:23 2..007 [pid 6856] [bill_ftp] FTP response: Client "132..136.254.40", "426 Failure w    外汇
riting network stream.."           女人

426 关闭联机，终止传输。

检查FTP服务器权限。
禁用SELINUX
检查防火墙规则，还有加了模块没有。

手工FTP是可以的，自动脚本FTP就出现上述情况，自动脚本是没有问题的，因为在另一台机器上就没问题。