dummy problems: can somebody help me?

Hi.
I'm a dummy of squid and I don't understand very much, but I must configure
squid for my network.
My server is Pentium II 400 Mhz 256M RAM 9Gb Hd SCSI UW
My OS is RedHat 6.1
There are about 200 clients (PC with explorer..) connecting to my server.
This is my configuration file but it doesn't work very well: sometimes squid
stops without any reasons. It's a normal shutdown, it seems. The problem is
that nobody says him to shutdown.
What can I change or I can do to make it work ???
Thank you in advance.

http_port 8080
icp_port 0
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY
cache_mem 20 MB
cache_swap_low 90
cache_swap_high 95
maximum_object_size 4096 KB
cache_dir /var/spool/squid 1000 16 256
emulate_httpd_log on
pid_filename /var/run/squid.pid
debug_options ALL,1
ftp_user squid@jacobacciperani.com
cache_dns_program /usr/lib/squid/dnsserver
ftp_user squid@jacobacciperani.com
cache_dns_program /usr/lib/squid/dnsserver
dns_children 15
shutdown_lifetime 15 seconds
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl SSL_ports port 443 563
acl Safe_ports port 80 21 443 563 70 210 1025-65535
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access allow all
miss_access allow all cache_mgr m_as
cache_effective_user squid
cache_effective_group squid
visible_hostname proxyto.jacobacciperani.com
logfile_rotate 30

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Received on Tue Feb 15 2000 - 09:50:52 MST