我的proftpd限制流量怎么不行？

Question

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ServerType standalone
DefaultServer on
ServerAdmin zhaobing8181@163.com

IdentLookups off
UseReverseDNS off
TimeoutIdle 120
AllowRetrieveRestart on
AllowStoreRestart on
WtmpLog off

Port 21
Umask 022
MaxInstances 2000
User nobody
Group nobody
DefaultRoot ~
DefaultChdir /
AllowOverwrite on
TransferRate RETR 500 group ftp
<Limit SITE_CHMOD>;
DenyAll
</Limit>;

<Anonymous ~ftp>;
User ftp
Group ftp

# We want clients to be able to login with "anonymous" as well as "ftp"
UserAlias anonymous ftp

# Limit the maximum number of anonymous logins
MaxClients 1000

# We want 'welcome.msg' displayed at login, and '.message' displayed
# in each newly chdired directory.
DisplayLogin welcome.msg

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我加了TransferRate RETR 500 group ftp ，目的是想对ftp组的用户限制成500KB/S的流量，但是实际监测来看并没有起效。怎么回事呢？

Answer 1

把TransferRate RETR 500 group ftp 放到<Anonymous>;下，或者改成
TransferRate RETR 500 试试