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restart\n\t&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;\n\t&lt;/div&gt;\n\t&lt;/li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;br /&gt;\n\t&lt;/span&gt;&lt;/span&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;Mediante a execución &lt;strong&gt;service&lt;/strong&gt; : &lt;br /&gt;\n\t&lt;br /&gt;\n\t&lt;/span&gt;&lt;/span&gt;\n\t&lt;div style=&quot;padding-left: 20px&quot;&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;\n\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;service squid3&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt; &amp;lt;Enter&amp;gt;&lt;br /&gt;\n\tservice squid3&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt; restart\n\t&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;\n\t&lt;/div&gt;\n\t&lt;/li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;Mediante a execución  &lt;strong&gt;invoke-rc.d&lt;/strong&gt; : &lt;br /&gt;\n\t&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;/span&gt;&lt;br /&gt;\n\t&lt;div style=&quot;padding-left: 20px&quot;&gt;\n\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;\n\tinvoke-rc.d squid3&lt;/span&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt; restart &lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;/div&gt;\n\t&lt;/li&gt;\n&lt;/ol&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;NOTA:&lt;/strong&gt; Por defecto o servidor proxy-caché &lt;strong&gt;squid&lt;/strong&gt; emprega o &lt;span style=&quot;font-family: courier new,courier&quot;&gt;porto TCP 3128&lt;/span&gt;.&lt;/span&gt;\n&lt;/p&gt;\n&lt;ol&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;br /&gt;\n\t&lt;/span&gt;\n&lt;/ol&gt;\n&lt;strong&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;OPENSUSE:&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;\n&lt;ol&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Mediante a execución &lt;strong&gt;/etc/init.d&lt;/strong&gt;: &lt;br /&gt;\n\t&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;div style=&quot;padding-left: 20px&quot;&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/init.d/squid &amp;lt;Enter&amp;gt;&lt;br /&gt;\n\t/etc/init.d/squid restart&lt;/span&gt;&lt;/span&gt;\n\t&lt;/div&gt;\n\t&lt;/li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Mediante a execución &lt;strong&gt;service&lt;/strong&gt; : &lt;br /&gt;\n\t&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;div style=&quot;padding-left: 20px&quot;&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;service squid &amp;lt;Enter&amp;gt;&lt;br /&gt;\n\tservice squid restart\n\t&lt;/span&gt;&lt;/span&gt;\n\t&lt;/div&gt;\n\t&lt;/li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Mediante a execución &lt;strong&gt;rc&amp;lt;Tab&amp;gt;&lt;/strong&gt; : &lt;br /&gt;\n\t&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;div style=&quot;padding-left: 20px&quot;&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;rcnamed &amp;lt;Enter&amp;gt;&lt;br /&gt;\n\trcnamed squid\n\t&lt;/span&gt;&lt;/span&gt;\n\t&lt;/div&gt;\n\t&lt;/li&gt;\n&lt;/ol&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;p align=&quot;JUSTIFY&quot; style=&quot;margin-bottom: 0cm&quot;&gt;\n&lt;strong&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;INDEPENDENTE DA DISTRIBUCIÓN:&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;\n&lt;/p&gt;\n&lt;p align=&quot;JUSTIFY&quot; style=&quot;margin-bottom: 0cm&quot;&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;Verifica en qué porto &lt;span style=&quot;font-family: courier new,courier&quot;&gt;TCP&lt;/span&gt; está activo o servidor &lt;strong&gt;squid&lt;/strong&gt;&lt;span style=&quot;font-weight: normal&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-weight: normal&quot;&gt;:&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p align=&quot;LEFT&quot; lang=&quot;es-ES&quot; style=&quot;margin-left: 1.29cm; font-weight: normal; widows: 2; orphans: 2&quot;&gt;\n&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;root@host:~#&lt;/strong&gt;\nnetstat -natp | grep squid &lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p align=&quot;LEFT&quot; lang=&quot;es-ES&quot; style=&quot;margin-left: 1.29cm; font-weight: normal; widows: 2; orphans: 2&quot;&gt;\n&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;tcp        0      0 :::3128                 :::*                    LISTEN      9872/(squid) &lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;/span&gt; \n&lt;ol&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;/span&gt;\n&lt;/ol&gt;\n"></unicode>
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             <unicode content="true" value="&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;ESCENARIO:&lt;/strong&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Servidor proxy-caché SQUID coa IP 192.168.100.252 e Máscara de Subrede: 255.255.255.0 (/24)&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Clientes proxy: 192.168.100.X, onde X&lt;img src=&quot;http://127.0.0.1:51235/Sesi%C3%B3n5-NFS_SAMBA/resources/eXe_LaTeX_math_1.gif&quot; /&gt;[11,240]&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Arquivo de configuración: squid.conf &lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;Tódalas liñas que comezan co carácter '&lt;span style=&quot;font-family: courier new,courier&quot;&gt;#&lt;/span&gt;' son comentarios.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;En Debian o arquivo de configuración &lt;span style=&quot;font-family: courier new,courier&quot;&gt;squid.conf&lt;/span&gt; pódelo atopar en&lt;span style=&quot;font-family: courier new,courier&quot;&gt; /etc/squid3/&lt;/span&gt; namentras que en OpenSUSE pódelo atopar en &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid/&lt;/span&gt; &lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;strong&gt;DEBIAN: Arquivo de configuración tipo/etc/squid3/squid.conf sen comentarios: &lt;/strong&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;Executar os seguintes comandos:&lt;span style=&quot;font-family: courier new,courier&quot;&gt; &lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;cp -pv /etc/squid3/squid.conf /etc/squid3/squid.conf-copia&lt;br /&gt;\n&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;grep -vE &amp;quot;^$|^#&amp;quot; /etc/squid3/squid.conf-copia &amp;gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid3/squid.conf&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;\n&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;cat /etc/squid3/squid.conf\n&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl manager proto cache_object&lt;br /&gt;\n\tacl localhost src 127.0.0.1/32 ::1&lt;br /&gt;\n\tacl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1&lt;br /&gt;\n\tacl SSL_ports port 443&lt;br /&gt;\n\tacl Safe_ports port 80        # http&lt;br /&gt;\n\tacl Safe_ports port 21        # ftp&lt;br /&gt;\n\tacl Safe_ports port 443        # https&lt;br /&gt;\n\tacl Safe_ports port 70        # gopher&lt;br /&gt;\n\tacl Safe_ports port 210        # wais&lt;br /&gt;\n\tacl Safe_ports port 1025-65535    # unregistered ports&lt;br /&gt;\n\tacl Safe_ports port 280        # http-mgmt&lt;br /&gt;\n\tacl Safe_ports port 488        # gss-http&lt;br /&gt;\n\tacl Safe_ports port 591        # filemaker&lt;br /&gt;\n\tacl Safe_ports port 777        # multiling http&lt;br /&gt;\n\tacl CONNECT method CONNECT&lt;br /&gt;\n\thttp_access allow manager localhost&lt;br /&gt;\n\thttp_access deny manager&lt;br /&gt;\n\thttp_access deny !Safe_ports&lt;br /&gt;\n\thttp_access deny CONNECT !SSL_ports&lt;br /&gt;\n\thttp_access allow localhost&lt;br /&gt;\n\thttp_access deny all&lt;br /&gt;\n\thttp_port 3128&lt;br /&gt;\n\thierarchy_stoplist cgi-bin ?&lt;br /&gt;\n\tcoredump_dir /var/spool/squid3&lt;br /&gt;\n\trefresh_pattern ^ftp:        1440    20%    10080&lt;br /&gt;\n\trefresh_pattern ^gopher:    1440    0%    1440&lt;br /&gt;\n\trefresh_pattern -i (/cgi-bin/|\?) 0    0%    0&lt;br /&gt;\n\trefresh_pattern .        0    20%    4320&lt;/span&gt;  \n\t&lt;/p&gt;\n\t&lt;p&gt;\n\t&amp;nbsp;\n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;strong&gt;OPENSUSE: Arquivo de configuración tipo/etc/squid/squid.conf: &lt;/strong&gt;&lt;/span&gt; \n&lt;/p&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;#&lt;br /&gt;\n\t# Recommended minimum configuration:&lt;br /&gt;\n\t#&lt;br /&gt;\n\tacl manager proto cache_object&lt;br /&gt;\n\tacl localhost src 127.0.0.1/32 ::1&lt;br /&gt;\n\tacl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Example rule allowing access from your local networks.&lt;br /&gt;\n\t# Adapt to list your (internal) IP networks from where browsing&lt;br /&gt;\n\t# should be allowed&lt;br /&gt;\n\tacl localnet src 10.0.0.0/8    # RFC1918 possible internal network&lt;br /&gt;\n\tacl localnet src 172.16.0.0/12    # RFC1918 possible internal network&lt;br /&gt;\n\tacl localnet src 192.168.0.0/16    # RFC1918 possible internal network&lt;br /&gt;\n\tacl localnet src fc00::/7       # RFC 4193 local private network range&lt;br /&gt;\n\tacl localnet src fe80::/10      # RFC 4291 link-local (directly plugged) machines&lt;br /&gt;\n\t&lt;br /&gt;\n\tacl SSL_ports port 443&lt;br /&gt;\n\tacl Safe_ports port 80        # http&lt;br /&gt;\n\tacl Safe_ports port 21        # ftp&lt;br /&gt;\n\tacl Safe_ports port 443        # https&lt;br /&gt;\n\tacl Safe_ports port 70        # gopher&lt;br /&gt;\n\tacl Safe_ports port 210        # wais&lt;br /&gt;\n\tacl Safe_ports port 1025-65535    # unregistered ports&lt;br /&gt;\n\tacl Safe_ports port 280        # http-mgmt&lt;br /&gt;\n\tacl Safe_ports port 488        # gss-http&lt;br /&gt;\n\tacl Safe_ports port 591        # filemaker&lt;br /&gt;\n\tacl Safe_ports port 777        # multiling http&lt;br /&gt;\n\tacl CONNECT method CONNECT&lt;br /&gt;\n\t&lt;br /&gt;\n\t#&lt;br /&gt;\n\t# Recommended minimum Access Permission configuration:&lt;br /&gt;\n\t#&lt;br /&gt;\n\t# Only allow cachemgr access from localhost&lt;br /&gt;\n\thttp_access allow manager localhost&lt;br /&gt;\n\thttp_access deny manager&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Deny requests to certain unsafe ports&lt;br /&gt;\n\thttp_access deny !Safe_ports&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Deny CONNECT to other than secure SSL ports&lt;br /&gt;\n\thttp_access deny CONNECT !SSL_ports&lt;br /&gt;\n\t&lt;br /&gt;\n\t# We strongly recommend the following be uncommented to protect innocent&lt;br /&gt;\n\t# web applications running on the proxy server who think the only&lt;br /&gt;\n\t# one who can access services on &amp;quot;localhost&amp;quot; is a local user&lt;br /&gt;\n\t#http_access deny to_localhost&lt;br /&gt;\n\t&lt;br /&gt;\n\t#&lt;br /&gt;\n\t# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS&lt;br /&gt;\n\t#&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Example rule allowing access from your local networks.&lt;br /&gt;\n\t# Adapt localnet in the ACL section to list your (internal) IP networks&lt;br /&gt;\n\t# from where browsing should be allowed&lt;br /&gt;\n\thttp_access allow localnet&lt;br /&gt;\n\thttp_access allow localhost&lt;br /&gt;\n\t&lt;br /&gt;\n\t# allow localhost always proxy functionality&lt;br /&gt;\n\thttp_access allow localhost&lt;br /&gt;\n\t&lt;br /&gt;\n\t# And finally deny all other access to this proxy&lt;br /&gt;\n\thttp_access deny all&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Squid normally listens to port 3128&lt;br /&gt;\n\thttp_port 3128&lt;br /&gt;\n\t&lt;br /&gt;\n\t# We recommend you to use at least the following line.&lt;br /&gt;\n\thierarchy_stoplist cgi-bin ?&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Uncomment and adjust the following to add a disk cache directory.&lt;br /&gt;\n\t#cache_dir ufs /var/cache/squid 100 16 256&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Leave coredumps in the first cache dir&lt;br /&gt;\n\tcoredump_dir /var/cache/squid&lt;br /&gt;\n\t&lt;br /&gt;\n\t# Add any of your own refresh_pattern entries above these.&lt;br /&gt;\n\trefresh_pattern ^ftp:        1440    20%    10080&lt;br /&gt;\n\trefresh_pattern ^gopher:    1440    0%    1440&lt;br /&gt;\n\trefresh_pattern -i (/cgi-bin/|\?) 0    0%    0&lt;br /&gt;\n\trefresh_pattern .        0    20%    4320&lt;/span&gt; \n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n&lt;blockquote&gt;\n&lt;/blockquote&gt;\n"></unicode>
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                <unicode content="true" value="&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;ESCENARIO:&lt;/strong&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Servidor proxy-caché SQUID coa IP 192.168.100.252 e Máscara de Subrede: 255.255.255.0 (/24)&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Clientes proxy: 192.168.100.X, onde X&lt;img src=&quot;http://127.0.0.1:51235/Sesi%C3%B3n5-NFS_SAMBA/resources/eXe_LaTeX_math_1.gif&quot; /&gt;[11,240]&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Arquivo de configuración: squid.conf &lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;h3&gt;INDEPENDENTE DA DISTRIBUCIÓN:&lt;/h3&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;NOTA:&lt;/strong&gt; Nos exemplos expostos emprégase a ruta de configuración de Debian&lt;span style=&quot;font-family: courier new,courier&quot;&gt; /etc/squid3/ e o nome do servizo &lt;span style=&quot;font-family: courier new,courier&quot;&gt;squid3&lt;/span&gt;&lt;/span&gt;, para OpenSUSE sustituir respectivamente por &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid/ &lt;/span&gt;e&lt;span style=&quot;font-family: courier new,courier&quot;&gt; squid.&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ul&gt;\n\t&lt;li&gt;\n\t&lt;strong&gt;&lt;span style=&quot;font-size: medium&quot;&gt;Procedemento xerar estrutura caché:&lt;/span&gt;&lt;/strong&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;blockquote&gt;\n\t&lt;ol&gt;\n\t\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;Modifica o ficheiro &lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;/etc/squid3/squid.conf&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt; do servidor squid para activar as directivas&lt;span style=&quot;font-family: courier new,courier&quot;&gt; cache_dir&lt;/span&gt; e &lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;cache_mem &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;como segue:&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;\n\t\t&lt;blockquote&gt;\n\t\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;cache_dir ufs /var/spool/squid3 100 16 256&lt;/span&gt;\n\t\t\t&lt;br /&gt;\n\t\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;\n\t\t\tcache_mem 100 MB&lt;/span&gt;\n\t\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;/span&gt;\n\t\t&lt;/blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;onde,&lt;/span&gt;&lt;/li&gt;\n\t\t&lt;blockquote&gt;\n\t\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;ufs&lt;/span&gt; é o formato da caché.&lt;br /&gt;\n\t\t\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;/var/spool/squid3&lt;/span&gt; é o directorio da caché para Debian, sendo, por defecto, para OpenSUSE&lt;span style=&quot;font-family: courier new,courier&quot;&gt; /var/cache/squid&lt;/span&gt;. &lt;br /&gt;\n\t\t\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;100&lt;/span&gt; son os MB de espazo en disco que se vai empregar no directorio anterior. O tamaño nunca debería ser o espazo total do disco duro, senón que deberíase restar o 20% e empregar ese valor.&lt;br /&gt;\n\t\t\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;16&lt;/span&gt; é o número de subdirectorios de primeiro nivel (L1) que se crearán baixo o directorio de caché.&lt;br /&gt;\n\t\t\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;256&lt;/span&gt; é o número de subdirectorios de segundo nivel (L2) que se crearán baixo cada subdirectorio de primeiro nivel.&lt;/span&gt;\n\t\t&lt;/blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;/span&gt;\n\t\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;Reiniciar o servizo: &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/init.d/squid3 restart&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;/ol&gt;\n\t&lt;p&gt;\n\t&amp;nbsp;\n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n&lt;ul&gt;\n\t&lt;li&gt;\n\t&lt;strong&gt;&lt;span style=&quot;font-size: medium&quot;&gt;Procedemento rexenerar estrutura caché:&lt;/span&gt;&lt;/strong&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;ol&gt;\n\t&lt;ol&gt;\n\t\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Para o servizo: &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/init.d/squid3 stop&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;&lt;br /&gt;\n\t\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Eliminar tódolos arquivos e cartafoles dentro do cartafol de caché /var/spool/squid3:&lt;span style=&quot;font-family: courier new,courier&quot;&gt; rm -rf /var/spool/squid3/*&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;&lt;br /&gt;\n\t\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Crear no directorio de caché os niveis de caché L1 e L2:&lt;/span&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt; &lt;span style=&quot;font-size: small&quot;&gt;cd &amp;amp;&amp;amp; squid3 -z&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;/span&gt;&lt;br /&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t\t&lt;/span&gt;\n\t\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Activa o servizo: &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/init.d/squid3 start&lt;/span&gt;&lt;br /&gt;\n\t\t&lt;/span&gt;&lt;/li&gt;\n\t&lt;/ol&gt;\n&lt;/ol&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: medium&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;strong&gt;Comprobación:&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;Nos clientes configurar o navegador para que a navegación teña lugar polo proxy: &lt;/span&gt;\n&lt;/p&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;IP: 192.168.100.252&lt;/span&gt;\n\t&lt;/p&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;Porto: 3128 &lt;/span&gt;\n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;/span&gt;&lt;/span&gt;\n"></unicode>
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                <unicode content="true" value="&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;ESCENARIO:&lt;/strong&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Servidor proxy-caché SQUID coa IP 192.168.100.252 e Máscara de Subrede: 255.255.255.0 (/24)&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Clientes proxy: 192.168.100.X, onde X&lt;img alt=&quot;pertence&quot; src=&quot;resources/eXe_LaTeX_math_1.gif&quot; /&gt;[11,240]&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Arquivo de configuración: squid.conf &lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;h3&gt;INDEPENDENTE DA DISTRIBUCIÓN:\n&lt;/h3&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;NOTA:&lt;/strong&gt; Nos exemplos expostos emprégase a ruta de configuración de Debian&lt;span style=&quot;font-family: courier new,courier&quot;&gt; /etc/squid3/&lt;/span&gt;, para OpenSUSE sustituila por &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid/ &lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ol&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;Modificar no ficheiro de configuración&lt;span style=&quot;font-family: courier new,courier&quot;&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid3/squid.conf&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;:&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;http_port 3128&lt;/span&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;/span&gt;&lt;br /&gt;\n\t&lt;/blockquote&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;por&lt;br /&gt;\n\t&lt;br /&gt;\n\t&lt;/span&gt;\n\t&lt;ol&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;http_port 3128 transparent&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;/span&gt;\n\t&lt;/ol&gt;\n\t&lt;br /&gt;\n\t&lt;li&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;Configurar o host servidor proxy-caché SQUID (&lt;span style=&quot;font-family: courier new,courier&quot;&gt;192.168.100.252&lt;/span&gt;) para redireccionalo tráfico web (http porto TCP 80) que recibe polo porto configurado no servidor squid, por defecto, &lt;span style=&quot;font-family: courier new,courier&quot;&gt;3128&lt;/span&gt;. Faremos isto mediante &lt;strong&gt;iptables&lt;/strong&gt;:&lt;/span&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;/span&gt;&lt;br /&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;iptables -t nat -A POSTROUTING -s 192.168.100.0/24 -o eth0 -j SNAT --to 192.168.100.252&lt;br /&gt;\n\t\tiptables -t nat -A PREROUTING -s 192.168.100.0/24 -p tcp --dport 80 -j REDIRECT --to-port 3128&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;/span&gt;&lt;/span&gt;\n\t\t&lt;/span&gt;&lt;br /&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;echo 1 &amp;gt; /proc/sys/net&lt;/span&gt;&lt;/span&gt;/ipv4/ip_forward&lt;/span&gt;\n\t&lt;/blockquote&gt;\n\t&lt;/li&gt;&lt;br /&gt;\n&lt;/ol&gt;\n&lt;h3&gt;COMPROBACIÓN:&lt;/h3&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;Agora todo é transparente, é dicir, nos equipos \nclientes non é necesario configurar o navegador para que a navegación \nteña lugar polo proxy: &lt;/span&gt;\n&lt;/p&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;strike&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;IP: 192.168.100.252&lt;/span&gt;&lt;/strike&gt;\n\t&lt;/p&gt;\n\t&lt;p&gt;\n\t&lt;strike&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;Porto: 3128&lt;/span&gt;&lt;/strike&gt;\n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;Pero agora a porta de enlace dos equipos clientes debe ser o servidor squid:&lt;/span&gt;\n&lt;/p&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small&quot;&gt;route add default gw 192.168.100.252&lt;/span&gt;&lt;/span&gt;\n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n"></unicode>
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                <unicode content="true" value="&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;ESCENARIO:&lt;/strong&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Servidor proxy-caché SQUID coa IP 192.168.100.252 e Máscara de Subrede: 255.255.255.0 (/24)&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Clientes proxy: 192.168.100.X, onde X&lt;img src=&quot;http://127.0.0.1:51235/Sesi%C3%B3n5-NFS_SAMBA/resources/eXe_LaTeX_math_1.gif&quot; /&gt;[11,240]&lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;Arquivo de configuración: squid.conf &lt;/strong&gt;&lt;/span&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;URL de interese:&lt;/strong&gt; &lt;a href=&quot;http://tuxjm.net/docs/Manual_de_Instalacion_de_Servidor_Proxy_Web_con_Ubuntu_Server_y_Squid/html-multiples/configuracion-de-los-esquemas-de-control-de-acceso-en-squid.html&quot; title=&quot;Configuración dos esquemas de control de acceso en Squid &quot; target=&quot;_blank&quot;&gt;Configuración dos esquemas de control de acceso en Squid\n&lt;/a&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;p&gt;\n&amp;nbsp;\n&lt;/p&gt;\n&lt;h3&gt;INDEPENDENTE DA DISTRIBUCIÓN:&lt;/h3&gt;\n&lt;p&gt;\n&lt;span style=&quot;font-size: small&quot;&gt;&lt;strong&gt;NOTA:&lt;/strong&gt; Nos exemplos expostos emprégase a ruta de configuración de Debian&lt;span style=&quot;font-family: courier new,courier&quot;&gt; /etc/squid3/&lt;/span&gt;, para OpenSUSE sustituila por &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid/ &lt;/span&gt;&lt;/span&gt;\n&lt;/p&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;strong&gt;Activar o proxy para a rede do escenario prantexado: 192.168.100.0&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;Crear a &lt;span style=&quot;font-family: courier new,courier&quot;&gt;acl&lt;/span&gt; e permitir o acceso para a rede do escenario engadindo no ficheiro de configuración &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid3/squid.conf&lt;/span&gt; as seguintes liñas:&lt;/span&gt;\n\t&lt;/p&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;p&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl rede-escenario src 192.168.100.0/24&lt;/span&gt;\n\t\t&lt;/p&gt;\n\t\t&lt;p&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;\n\t\thttp_access allow rede-escenario&lt;/span&gt;\n\t\t&lt;/p&gt;\n\t&lt;/blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;Para denegar o acceso á rede do escenario modificar a última liña anterior como segue:&lt;/span&gt;\n\t&lt;/p&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;http_access deny rede-escenario&lt;/span&gt; \n\t&lt;/blockquote&gt;\n\t&lt;blockquote&gt;\n\t&lt;/blockquote&gt;\n\t&lt;p&gt;\n\t&amp;nbsp;\n\t&lt;/p&gt;\n&lt;/blockquote&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;strong&gt;Activar o proxy para controlar accesos basados en dominios&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt;&lt;strong&gt;:&lt;/strong&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;Crear as &lt;span style=&quot;font-family: courier new,courier&quot;&gt;acls&lt;/span&gt; e permitir o acceso para a rede do escenario engadindo/modificando no ficheiro de configuración &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid3/squid.conf&lt;/span&gt; as seguintes liñas:&lt;/span&gt;\n\t&lt;/p&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl webs dstdomain .youtube.com .xunta.es .google.es&lt;/span&gt;&lt;/span&gt;\t&lt;/span&gt;\n\t&lt;/blockquote&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t\t&lt;/span&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl ficheiro-webs-lista-branca dstdomain &amp;quot;/etc/squid3/dominios-webs-lista-branca.txt&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;\n\t&lt;/blockquote&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t\t&lt;/span&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl ficheiro-webs-lista-negra dstdomain &amp;quot;/etc/squid3/dominios-webs-lista-negra.txt&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;/span&gt;\n\t&lt;/blockquote&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;http_access allow rede-escenario webs ficheiro-webs-lista-branca !ficheiro-webs-lista-negra&lt;/span&gt;\n\t&lt;/blockquote&gt;\n&lt;/blockquote&gt;\n&lt;blockquote&gt;\n&lt;/blockquote&gt;\n&lt;br /&gt;\n&lt;ul&gt;\n\t&lt;li&gt;&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-family: verdana,sans-serif&quot;&gt;&lt;strong&gt;Activar o proxy para controlar accesos basados en URLs&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt;&lt;strong&gt;:&lt;/strong&gt;&lt;/li&gt;\n&lt;/ul&gt;\n&lt;blockquote&gt;\n\t&lt;p&gt;\n\t&lt;span style=&quot;font-size: small&quot;&gt;Crear as &lt;span style=&quot;font-family: courier new,courier&quot;&gt;acls&lt;/span&gt; e permitir o acceso para a rede do escenario engadindo/modificando no ficheiro de configuración &lt;span style=&quot;font-family: courier new,courier&quot;&gt;/etc/squid3/squid.conf&lt;/span&gt; as seguintes liñas:&lt;/span&gt;\n\t&lt;/p&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl url-lista-branca url_regex ^http://www.edu.xunta.es/webmail/$&lt;/span&gt;&lt;/span&gt;\t&lt;/span&gt;\n\t&lt;/blockquote&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t\t&lt;/span&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;&lt;span style=&quot;font-size: small; font-family: courier new,courier&quot;&gt;acl ficheiro-urls-lista-branca dstdomain &amp;quot;/etc/squid3/urls-lista-branca.txt&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;\n\t&lt;/blockquote&gt;\n\t&lt;blockquote&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;\n\t\t&lt;/span&gt;\n\t\t&lt;span style=&quot;font-size: small&quot;&gt;&lt;span style=&quot;font-size: small; 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