Ubuntu 17.04
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Squid + SquidClamav
2017/04/23
 
Install SquidClamav and Configure Proxy Server to scan download files to protect from Virus. Install Clamav first.
[1] Install Clamd.
root@prox:~#
apt -y install clamav-daemon
[2] Download the latest version of Squidclamav from the link below.
⇒ http://sourceforge.net/projects/squidclamav/files/squidclamav/
# install some required packages first

root@prox:~#
apt -y install gcc make curl libcurl4-gnutls-dev c-icap libicapapi-dev
root@prox:~#
wget --trust-server-names https://sourceforge.net/projects/squidclamav/files/squidclamav/6.16/squidclamav-6.16.tar.gz/download

root@prox:~#
tar zxvf squidclamav-6.16.tar.gz

root@prox:~#
cd squidclamav-6.16

root@prox:~/squidclamav-6.16#
./configure --with-c-icap

root@prox:~/squidclamav-6.16#
root@prox:~/squidclamav-6.16#
make install

root@prox:~/squidclamav-6.16#
root@prox:~#
ln -s /etc/c-icap/squidclamav.conf /etc/squidclamav.conf

root@prox:~#
vi /etc/squidclamav.conf
# line 18: change ( create a error page that is redirected to )

redirect
http://www.srv.world/error.html
[3] Configure c-icap and Squid.
root@prox:~#
vi /etc/default/c-icap
# line 6: change

START=
yes
root@prox:~#
vi /etc/c-icap/c-icap.conf
# line 163: change to the admin email

ServerAdmin
root@srv.world
# line 172: change to the hostname

ServerName
prox.srv.world
# line 570: add

Service squidclamav squidclamav.so
root@prox:~#
systemctl restart c-icap
root@prox:~#
vi /etc/squid/squid.conf
# line 6928: add

icap_enable on
# line 7049: add

adaptation_send_client_ip on
# line 7059: add

adaptation_send_username on
# line 7064: add

icap_client_username_header X-Authenticated-User
# line 7160: add follows

icap_service service_req reqmod_precache bypass=1 icap://127.0.0.1:1344/squidclamav
adaptation_access service_req allow all
icap_service service_resp respmod_precache bypass=1 icap://127.0.0.1:1344/squidclamav
adaptation_access service_resp allow all
root@prox:~#
systemctl restart squid
[4] It's OK all.
Next, try to access to the site below from a ClientPC with Web browser,
http://eicar.org/85-0-Download.html
then, click the test Virus "eicar.com" to make sure to redirect the site you configured.
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