Squid pode estar limitando a banda? [RESOLVIDO]

# Configuracoes gerais
http_port 3128 transparent
visible_hostname LINUX
hierarchy_stoplist cgi-bin?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY
cache_mem 350 MB
maximum_object_size_in_memory 200 KB
maximum_object_size 300 MB
minimum_object_size 0 KB
ipcache_size 1024
ipcache_low 90
ipcache_high 95
cache_replacement_policy heap LFUDA
memory_replacement_policy heap GDSF
logformat squid %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt
access_log /var/log/squid/access.log squid
cache_swap_low 90
cache_swap_high 95
cache_dir aufs /var/spool/squid 10000 16 256
cache_access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_swap_log /var/spool/squid/swap.log
cache_mgr marcio@hdesk.com.br
error_directory /usr/share/squid/errors/Portuguese
coredump_dir /var/spool/squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320

# Cache do Windows Update
refresh_pattern windowsupdate.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern download.microsoft.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern www.microsoft.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern au.download.windowsupdate.com/.*\.(cab|exe|dll|msi) 4320 100% 43200 reload-into-ims

# Definicao das ACLs
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 to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 563 # snews
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl Safe_ports port 407 # msn
acl Safe_ports port 25 # smtp
acl Safe_ports port 110 # pop
acl purge method PURGE
acl CONNECT method CONNECT

# Sites Bloqueados/Liberados
acl SitesBloqueados url_regex -i "/etc/squid/sites.deny"

# Grupos de Acesso
acl Diretoria src "/etc/squid/ip.diretoria"
acl IpBloqueados src "/etc/squid/ip.bloqueados"

# Ativando as ACLs Padrao
http_access allow manager localhost
http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access deny to_localhost

# Ativando as ACLs Personalizadas
http_access allow Diretoria
http_access deny IpBloqueados
http_access deny SitesBloqueados
http_access allow all