Что значит Connection to child 14 established ??

[ProxyKZ]

В логах Apache постоянно светятся такие записи:

Mon Oct 22 14:15:56 2012] [info] [client 95.57.133.170] Connection to child
21 established (server myserver.kz:443)
[Mon Oct 22 14:15:55 2012] [info] Seeding PRNG with 648 bytes of entropy
[Mon Oct 22 14:15:55 2012] [info] Seeding PRNG with 648 bytes of entropy
[Mon Oct 22 14:15:55 2012] [info] Seeding PRNG with 648 bytes of entropy
[Mon Oct 22 14:15:56 2012] [info] Seeding PRNG with 648 bytes of entropy
[Mon Oct 22 14:15:56 2012] [info] Seeding PRNG with 648 bytes of entropy
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] (70014)End of file
found: SSL input filter read failed.
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection closed
to child 36 with standard shutdown (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] (70014)End of file
found: SSL input filter read failed.
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection closed
to child 21 with standard shutdown (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] (70014)End of file
found: SSL input filter read failed.
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] (70014)End of file
found: SSL input filter read failed.
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection closed
to child 37 with standard shutdown (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection closed
to child 47 with standard shutdown (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] (70014)End of file
found: SSL input filter read failed.
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection closed
to child 39 with standard shutdown (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection to child
17 established (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] Seeding PRNG with 648 bytes of entropy
[Mon Oct 22 14:15:57 2012] [info] [client 95.57.133.170] Connection to child
30 established (server myserver.kz:443)
[Mon Oct 22 14:15:57 2012] [info] Seeding PRNG with 648 bytes of entropy

В конфиге Apache стоят такие параметры:
Timeout 50 
KeepAlive Off
MaxKeepAliveRequests 50
KeepAliveTimeout 15
ExtendedStatus On
<IfModule mpm_prefork_module>
    StartServers         20
    MinSpareServers      20
    MaxSpareServers      50
    MaxClients           70
    MaxRequestsPerChild  0
</IfModule>
...
HostnameLookups Off
ErrorLog /var/log/apache2/error.log
LogLevel info
...
NameVirtualHost *:443
<VirtualHost _default_:443>
	ServerName myserver.kz.kz:443
	SSLEngine on
	SSLCertificateFile /etc/apache2/ssl.crt/server.crt
	SSLCertificateKeyFile /etc/apache2/ssl.key/server.key
</VirtualHost>

1. Это критичные ошибки?
2. Может ли из-за этого нагружаться процессор?
3. Как избавиться от них (что изменить в конфиге)?

Заранее благодарен за подсказки и советы!

Posted at Nginx Forum: http://forum.nginx.org/read.php?21,232201,232201#msg-232201