[squid-users] Slow server ¿?

erdosain9 erdosain9 at gmail.com
Mon May 15 18:52:49 UTC 2017


Hi.
Can somebody tell why the squid server it's going slow???

top - 15:05:21 up  3:52,  1 user,  load average: 0,93, 2,15, 10,85
Tasks: 186 total,   1 running, 185 sleeping,   0 stopped,   0 zombie
%Cpu(s):  1,7 us,  0,5 sy,  0,0 ni, 97,2 id,  0,7 wa,  0,0 hi,  0,0 si,  0,0
st
KiB Mem :  3882708 total,   110044 free,  1934236 used,  1838428 buff/cache
KiB Swap:  2097148 total,  2087324 free,     9824 used.  1646000 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND     
 2142 squid     20   0 1127580 0,977g   9244 S   3,7 26,4  65:15.76 squid       
 2171 squid     20   0   52788   3404   2292 S   0,7  0,1  10:54.76
negotiate_+ 
  939 clamscan  20   0 1437976 553640   9036 S   0,3 14,3   2:03.58 clamd       
    1 root      20   0   41148   3156   2368 S   0,0  0,1   0:01.56 systemd     
    2 root      20   0       0      0      0 S   0,0  0,0   0:00.00 kthreadd    
    3 root      20   0       0      0      0 S   0,0  0,0   0:00.23
ksoftirqd/0 
    7 root      rt   0       0      0      0 S   0,0  0,0   0:00.32
migration/0 
    8 root      20   0       0      0      0 S   0,0  0,0   0:00.00 rcu_bh      
    9 root      20   0       0      0      0 S   0,0  0,0   0:00.00 rcuob/0     
   10 root      20   0       0      0      0 S   0,0  0,0   0:00.00 rcuob/1     
   11 root      20   0       0      0      0 S   0,0  0,0   0:26.01
rcu_sched   
   12 root      20   0       0      0      0 S   0,0  0,0   0:12.05 rcuos/0     
   13 root      20   0       0      0      0 S   0,0  0,0   0:25.08 rcuos/1     
   14 root      rt   0       0      0      0 S   0,0  0,0   0:00.05
watchdog/0  
   15 root      rt   0       0      0      0 S   0,0  0,0   0:00.05
watchdog/1  
   16 root      rt   0       0      0      0 S   0,0  0,0   0:00.00
migration/1 
   17 root      20   0       0      0      0 S   0,0  0,0   0:04.11
ksoftirqd/1 

Config file
*-----------------------------------------------------------------------------------------**


####GRUPOS DE IP
acl sin_autenticacion src "/etc/squid/listas/sin_autenticacion.lst"
acl red6 src 192.168.6.0/24

###Kerberos Auth with ActiveDirectory###
auth_param negotiate program /lib64/squid/negotiate_kerberos_auth -s
HTTP/squid.xxxxxxx.lan at xxxxxxx.LAN
auth_param negotiate children 35 startup=0 idle=1
auth_param negotiate keep_alive off


external_acl_type i-full %LOGIN /usr/lib64/squid/ext_kerberos_ldap_group_acl
-g i-full at xxxxxxx.LAN
external_acl_type i-limitado %LOGIN
/usr/lib64/squid/ext_kerberos_ldap_group_acl -g i-limitado at xxxxxxx.LAN
external_acl_type i-sinlimite %LOGIN
/usr/lib64/squid/ext_kerberos_ldap_group_acl -g i-sinlimite at xxxxxxx.LAN


#GRUPOS
acl i-full external i-full
acl i-limitado external i-limitado
acl i-sinlimite external i-sinlimite

####Bloquea Publicidad ( http://pgl.yoyo.org/adservers/ )
acl ads dstdom_regex "/etc/squid/listas/ad_block.lst"
http_access deny ads


####Streaming
acl youtube url_regex -i \.flv$
acl youtube url_regex -i \.mp4$
acl youtube url_regex -i watch?
acl youtube url_regex -i youtube
acl facebook url_regex -i facebook
acl facebook url_regex -i fbcdn\.net\/v\/(.*\.mp4)\?
acl facebook url_regex -i fbcdn\.net\/v\/(.*\.jpg)\? 
acl facebook url_regex -i akamaihd\.net\/v\/(.*\.mp4)\?
acl facebook url_regex -i akamaihd\.net\/v\/(.*\.jpg)\?

##Dominios denegados
acl dominios_denegados dstdomain "/etc/squid/listas/dominios_denegados.lst"

##Extensiones bloqueadas
acl multimedia urlpath_regex "/etc/squid/listas/multimedia.lst"

##Extensiones peligrosas
acl peligrosos urlpath_regex "/etc/squid/listas/peligrosos.lst"


#Puertos
acl SSL_ports port 443
acl SSL_ports port 8443
acl SSL_ports port 8080
acl SSL_ports port 20000
acl SSL_ports port 10000
acl SSL_ports port 2083

acl Safe_ports port 631         # httpCUPS
acl Safe_ports port 85
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443         # https
acl Safe_ports port 70          # gopher
acl Safe_ports port 210         # wais
acl Safe_ports port 8443        # httpsalt
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 8080        # edesur y otros
acl Safe_ports port 2199	# radio
acl CONNECT method CONNECT


#
# Deny requests to certain unsafe ports
http_access deny !Safe_ports

# Deny CONNECT to other than secure SSL ports
http_access deny CONNECT !SSL_ports

# Only allow cachemgr access from localhost
http_access allow localhost manager
http_access deny manager

#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#

# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow localhost
http_access allow i-sinlimite
http_access allow sin_autenticacion
http_access allow i-limitado #!dominios_denegados
http_access allow i-full #!dominios_denegados

# And finally deny all other access to this proxy
http_access deny all

# Squid normally listens to port 3128
http_port 192.168.1.215:3128 ssl-bump generate-host-certificates=on
dynamic_cert_mem_cache_size=5MB cert=/etc/squid/ssl_cert/myca.pem
key=/etc/squid/ssl_cert/myca.pem 

acl step1 at_step SslBump1 

acl excludeSSL ssl::server_name_regex "/etc/squid/listas/excluidosSSL.lst"

ssl_bump peek step1 
ssl_bump splice excludeSSL 
ssl_bump bump all 


# Uncomment and adjust the following to add a disk cache directory.
cache_dir diskd /var/spool/squid 15000 16 256
cache_mem 256 MB

cache_swap_low 90
cache_swap_high 95

# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid


#Your refresh_pattern
refresh_pattern -i \.jpg$ 30 0% 30 ignore-no-cache ignore-no-store
ignore-private

#
# Add any of your own refresh_pattern entries above these.
#
refresh_pattern ^ftp:		1440	20%	10080
refresh_pattern ^gopher:	1440	0%	1440
refresh_pattern -i (/cgi-bin/|\?) 0	0%	0
refresh_pattern .		0	20%	4320

###ACTIVAR EN CASO DE "Connection reset by peer" EN MUCHOS HOST
via off
forwarded_for delete
###

#Pools para ancho de banda
delay_pools 5

#Ancho de Youtube
delay_class 1 2 
delay_parameters 1 1000000/1000000 50000/512000
delay_access 1 allow i-limitado youtube !facebook
delay_access 1 deny all

#Ancho de Facebook
delay_class 2 2 
delay_parameters 2 1000000/1000000 50000/512000
delay_access 2 allow i-limitado facebook !youtube
delay_access 2 deny all

#Ancho de banda YOUTUBE FULL
delay_class 3 1
delay_parameters 3 1000000/1000000
delay_access 3 allow i-full youtube !facebook
delay_access 3 deny all

#Ancho de banda LIMITADO
delay_class 4 3 
delay_parameters 4 3000000/3000000 1000000/1000000 256000/512000
delay_access 4 allow i-limitado !youtube !facebook
delay_access 4 deny all

#Ancho de banda FULL
delay_class 5 3
delay_parameters 5 1500000/1500000 750000/750000 256000/512000
delay_access 5 allow i-full !youtube !facebook
delay_access 5 deny all

dns_nameservers 192.168.1.200 8.8.8.8
#dns_nameservers 8.8.8.8 8.8.4.4
visible_hostname squid.xxxxxxx.lan

# try connecting to first 25 ips of a domain name
forward_max_tries 25

# fix some ipv6 errors (recommended to comment out) 
dns_v4_first on

# c-icap integration
# -------------------------------------
# Adaptation parameters
# -------------------------------------
icap_enable on
icap_send_client_ip on
icap_send_client_username on
icap_client_username_header X-Authenticated-User
icap_preview_enable on
icap_preview_size 1024
icap_service service_avi_req reqmod_precache
icap://127.0.0.1:1344/squidclamav bypass=on
adaptation_access service_avi_req allow all
icap_service service_avi_resp respmod_precache
icap://127.0.0.1:1344/squidclamav bypass=off
adaptation_access service_avi_resp allow all
# end integration





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