dante socks(sockd)にてFTP通信不可( warning: recv_negotiate() )

[7015643]

○対象OS
HP-UX 11iv2,11iv3

□対象製品
DanteSOCKS A.19.00-1.3.2.001 A Socks Client And Server Implementation

□問い合わせ内容

socksサーバへコンフィグファイルを設定後、socksサーバ経由にてFTP接続を行いました。

socksサーバへは接続できますが、socksサーバからの受信に失敗する状態です。
メッセージにはワーニングが出力していますが、何が問題かわかりますでしょうか。

○：(Client)→(socks server)

×:(Cleint)←(socks server)

□/etc/sockd.conf

#log output
logoutput: syslog stderr /var/adm/dante/sockd.log
errorlog: /var/adm/dante/err_sockd.log

#liten port
internal: lan0 port = 1080
#output port
external: lan0

#method
method: none

user.privileged: root

debug: 1

client pass {
from: 0.0.0.0/24 port 1-65535 to: 0.0.0.0/0
}
pass {
from: 0.0.0.0/0 to: 0.0.0.0/0
protocol: tcp
command: bind connect bind bindreply
log: connect disconnect
}
block {
from: 0.0.0.0/0 port 1-65535 to: 0.0.0.0/0
#protocol: tcp udp
}

□/var/adm/dante/sockd.log 抜粋

Oct 10 13:15:35 (1349842535.902583) sockd[14239]: debug: main(): selectn() returned 1 (no system error)
Oct 10 13:15:35 (1349842535.902967) sockd[14239]: debug: got accept(): 192.168.0.10.2841
Oct 10 13:15:35 (1349842535.903009) sockd[14239]: debug: sending tcp-client to negchild 14240
Oct 10 13:15:35 (1349842535.903045) sockd[14239]: debug: send_client(): buflen = 0
Oct 10 13:15:35 (1349842535.903566) sockd[14240]: warning: recv_negotiate(): XXX should close received descriptors
Oct 10 13:15:35 (1349842535.903776) sockd[14240]: debug: recv_negotiate(): recvmsg() from mother returned -1 after having received 0 packets, errno = 11 (Resource temporarily unavailable)
Oct 10 13:15:35 (1349842535.903969) sockd[14239]: debug: calling select().  Free negc: 23 reqc: 4; ioc: 8