[vserver] F-Prot update: Network - Connection failed (23)

Hi,

In one of my vserver-guests (gentoo) I installed f-prot, which
I want to use for mail scanning. Problem is, I can not update
virus signatures. Whenever I try it (/opt/f-prot/fpudate),
I always get this error:

---------------------------------------------
*** /var/log/messages (vserver guest) ***
May 22 17:13:10 mail fpupdate: Debug: User agent "FPAV_Updater/6.0.2
(UNIX; Linux; 2.6.22-vs2.2.0.7-gentoo; ; x86_64)"
May 22 17:13:10 mail fpupdate: Update server - Valid license-key
May 22 17:13:10 mail fpupdate: Debug: Server
srv3.directupdates.f-prot.net (weight 10)
May 22 17:13:10 mail fpupdate: Debug: Server index 2
May 22 17:13:10 mail fpupdate: Debug: Using server
srv3.directupdates.f-prot.net
May 22 17:13:10 mail fpupdate: Attempting to retrieve the latest
antivir.def update from update server
May 22 17:13:10 mail fpupdate: Debug: User agent "FPAV_Updater/6.0.2
(UNIX; Linux; 2.6.22-vs2.2.0.7-gentoo; ; x86_64)"
May 22 17:14:02 mail fpupdate: Warning: Network - Connection failed
(23), trying again...
May 22 17:14:08 mail fpupdate: Warning: Network - Connection failed
(23), trying again...
May 22 17:14:13 mail fpupdate: Warning: Network - Connection failed
(23), trying again...
May 22 17:14:18 mail fpupdate: Error: Incorrect checksum of downloaded
update
---------------------------------------------

In console I can see update counter, and this problem happens
always exactly at 43% (~50 seconds from beginning).

Interesting, I installed f-prot in vserver-host (also gentoo),
and it works there! So I think this problem must be somehow
related to vserver-guest (probably configuration). So what could
be reason for this problem? I think, f-prot downloads its updates
using ftp or http connection. Is there some vserver config-option
I must activate if I want f-prot allow to update?

Jarry

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