hi all, I have made a script for squid that installs the following –
Squid – http proxy server Squid ssl-bump – https interception for squid C-ICAP – icap server clamAV – AV engine to detect trojan viruses malware etc squidclamav – to make it all integrated with squid what do you think? #!/bin/bash #squid on DMZ host # #first things first lets disable firewalld and SElinux # systemctl stop firewalld systemctl disable firewalld sed -i -e 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config # #squid packages # yum install -y epel-release swaks sed tar zip unzip curl telnet openssl openssl-devel bzip2-devel libarchive libarchive-devel perl perl-Data-Dumper gcc gcc-c++ binutils autoconf automake make sudo wget libxml2-devel libcap-devel libtool-ltdl-devel # #clamAV packages # yum install -y clamav-server clamav-data clamav-update clamav-filesystem clamav clamav-scanner-systemd clamav-devel clamav-lib clamav-server-systemd # #download and compile from source # cd /tmp wget http://www.squid-cache.org/Versions/v4/squid-4.9.tar.gz wget http://sourceforge.net/projects/c-icap/files/c-icap/0.5.x/c_icap-0.5.6.tar.gz wget http://sourceforge.net/projects/c-icap/files/c-icap-modules/0.5.x/c_icap_modules-0.5.4.tar.gz wget https://sourceforge.net/projects/squidclamav/files/squidclamav/7.1/squidclamav-7.1.tar.gz for f in *.tar.gz; do tar xf "$f"; done cd /tmp/squid-4.9 ./configure --with-openssl --enable-ssl-crtd --enable-icap-client && make && make install # cd /tmp/c_icap-0.5.6 ./configure 'CXXFLAGS=-O2 -m64 -pipe' 'CFLAGS=-O2 -m64 -pipe' --without-bdb --prefix=/usr/local && make && make install # cd /tmp/squidclamav-7.1 ./configure 'CXXFLAGS=-O2 -m64 -pipe' 'CFLAGS=-O2 -m64 -pipe' --with-c-icap=/usr/local --with-libarchive && make && make install # cd /tmp/c_icap_modules-0.5.4 ./configure 'CFLAGS=-O3 -m64 -pipe' 'CPPFLAGS=-I/usr/local/clamav/include' 'LDFLAGS=-L/usr/local/lib -L/usr/local/clamav/lib/' && make && make install # #creating shortcuts and copying files # cp -f /usr/local/squid/etc/squid.conf /usr/local/squid/etc/squid.conf.orig cp -f /usr/local/etc/c-icap.conf /usr/local/etc/c-icap.conf.orig cp -f /usr/local/etc/squidclamav.conf /usr/local/etc/squidclamav.conf.orig cp -f /usr/local/etc/clamav_mod.conf /usr/local/etc/clamav_mod.conf.orig cp -f /usr/local/etc/virus_scan.conf /usr/local/etc/virus_scan.conf.orig # ln -s /usr/local/squid/etc/squid.conf /etc ln -s /usr/local/etc/c-icap.conf /etc ln -s /usr/local/etc/squidclamav.conf /etc ln -s /usr/local/etc/clamav_mod.conf /etc ln -s /usr/local/etc/virus_scan.conf /etc # mkdir -p /usr/local/clamav/share/clamav ln -s /var/lib/clamav /usr/local/clamav/share/clamav # #tmpfiles for run files # echo "d /var/run/c-icap 0755 root root -" >> /etc/tmpfiles.d/c-icap.conf echo "d /var/run/clamav 0755 root root -" >> /etc/tmpfiles.d/clamav.conf # #delete a few lines in squid # sed -i '/http_port 3128/d' /usr/local/squid/etc/squid.conf sed -i '/http_access deny all/d' /usr/local/squid/etc/squid.conf # #whitelist in squid # sed -i '50i#HTTP_HTTPS whitelist websites' /usr/local/squid/etc/squid.conf sed -i '51iacl whitelist ssl::server_name "/usr/local/squid/etc/urlwhite.txt"' /usr/local/squid/etc/squid.conf sed -i '52ihttp_access allow whitelist' /usr/local/squid/etc/squid.conf sed -i '53ihttp_access deny all' /usr/local/squid/etc/squid.conf echo "#Microsoft" >> /usr/local/squid/etc/urlwhite.txt echo ".bing.com" >> /usr/local/squid/etc/urlwhite.txt echo ".msn.com" >> /usr/local/squid/etc/urlwhite.txt echo ".msedge.net" >> /usr/local/squid/etc/urlwhite.txt echo ".msftauth.net" >> /usr/local/squid/etc/urlwhite.txt echo ".msauth.net" >> /usr/local/squid/etc/urlwhite.txt echo ".msocdn.com" >> /usr/local/squid/etc/urlwhite.txt echo ".outlook.com" >> /usr/local/squid/etc/urlwhite.txt echo ".onedrive.com" >> /usr/local/squid/etc/urlwhite.txt echo ".office.net" >> /usr/local/squid/etc/urlwhite.txt echo ".office.com" >> /usr/local/squid/etc/urlwhite.txt echo ".office365.com" >> /usr/local/squid/etc/urlwhite.txt echo ".microsoft.com" >> /usr/local/squid/etc/urlwhite.txt echo ".microsoftonline.com" >> /usr/local/squid/etc/urlwhite.txt echo ".live.com" >> /usr/local/squid/etc/urlwhite.txt echo ".live.net" >> /usr/local/squid/etc/urlwhite.txt echo ".akamaized.net" >> /usr/local/squid/etc/urlwhite.txt echo ".akamaihd.net" >> /usr/local/squid/etc/urlwhite.txt echo ".svc.ms" >> /usr/local/squid/etc/urlwhite.txt echo ".lync.com" >> /usr/local/squid/etc/urlwhite.txt echo ".skype.com" >> /usr/local/squid/etc/urlwhite.txt echo ".gfx.ms" >> /usr/local/squid/etc/urlwhite.txt echo ".sharepoint.com" >> /usr/local/squid/etc/urlwhite.txt echo ".sharepointonline.com" >> /usr/local/squid/etc/urlwhite.txt echo ".windowsupdate.com" >> /usr/local/squid/etc/urlwhite.txt echo ".windows.net" >> /usr/local/squid/etc/urlwhite.txt echo ".edgesuite.net" >> /usr/local/squid/etc/urlwhite.txt echo ".a-msedge.net" >> /usr/local/squid/etc/urlwhite.txt echo ".akamaiedge.net" >> /usr/local/squid/etc/urlwhite.txt echo ".sfx.ms" >> /usr/local/squid/etc/urlwhite.txt echo ".azureedge.net" >> /usr/local/squid/etc/urlwhite.txt echo ".trafficmanager.net" >> /usr/local/squid/etc/urlwhite.txt echo ".azure.com" >> /usr/local/squid/etc/urlwhite.txt echo ".s-microsoft.com" >> /usr/local/squid/etc/urlwhite.txt echo ".onestore.ms" >> /usr/local/squid/etc/urlwhite.txt echo "#Google" >> /usr/local/squid/etc/urlwhite.txt echo ".google.com" >> /usr/local/squid/etc/urlwhite.txt echo ".google.co.uk" >> /usr/local/squid/etc/urlwhite.txt echo ".googleusercontent.com" >> /usr/local/squid/etc/urlwhite.txt echo ".googleapis.com" >> /usr/local/squid/etc/urlwhite.txt echo ".withgoogle.com" >> /usr/local/squid/etc/urlwhite.txt echo ".gstatic.com" >> /usr/local/squid/etc/urlwhite.txt echo "#Adobe" >> /usr/local/squid/etc/urlwhite.txt echo ".adobedtm.com" >> /usr/local/squid/etc/urlwhite.txt echo ".adobe.io" >> /usr/local/squid/etc/urlwhite.txt echo ".adobe.com" >> /usr/local/squid/etc/urlwhite.txt echo ".adobelogin.com" >> /usr/local/squid/etc/urlwhite.txt echo "#others" >> /usr/local/squid/etc/urlwhite.txt echo ".digicert.com" >> /usr/local/squid/etc/urlwhite.txt echo ".pixelogicmedia.com" >> /usr/local/squid/etc/urlwhite.txt # #ICAP in squid # echo "#ICAP" >> /usr/local/squid/etc/squid.conf echo "icap_enable on" >> /usr/local/squid/etc/squid.conf echo "adaptation_uses_indirect_client on" >> /usr/local/squid/etc/squid.conf echo "icap_send_client_ip on" >> /usr/local/squid/etc/squid.conf echo "icap_send_client_username on" >> /usr/local/squid/etc/squid.conf echo "icap_client_username_header X-Authenticated-User" >> /usr/local/squid/etc/squid.conf echo "icap_service service_req reqmod_precache bypass=0 icap:// 127.0.0.1:1344/squidclamav" >> /usr/local/squid/etc/squid.conf echo "adaptation_access service_req allow all" >> /usr/local/squid/etc/squid.conf echo "icap_service service_resp respmod_precache bypass=0 icap:// 127.0.0.1:1344/squidclamav" >> /usr/local/squid/etc/squid.conf echo "adaptation_access service_resp allow all" >> /usr/local/squid/etc/squid.conf # #squid with SSL # mkdir -p /usr/local/squid/etc/ssl_cert cd /usr/local/squid/etc/ssl_cert adduser squid chown squid:squid /usr/local/squid/etc/ssl_cert chmod 700 /usr/local/squid/etc/ssl_cert openssl req -new -newkey rsa:2048 -sha256 -days 365 -nodes -x509 -extensions v3_ca -keyout myCA.pem -out myCA.pem -batch #must import the below cert on hosts in trusted root cert ie the .der file openssl x509 -in myCA.pem -outform DER -out myCA.der /usr/local/squid/libexec/security_file_certgen -c -s /var/lib/ssl_db -M 4MB chown squid:squid -R /var/lib/ssl_db chmod -R 777 /usr/local/squid/var/logs sed -i '1ihttp_port 3128 ssl-bump cert=/usr/local/squid/etc/ssl_cert/myCA.pem generate-host-certificates=on dynamic_cert_mem_cache_size=4MB' /usr/local/squid/etc/squid.conf sed -i '2isslcrtd_program /usr/local/squid/libexec/security_file_certgen -s /var/lib/ssl_db -M 4MB' /usr/local/squid/etc/squid.conf sed -i '3iacl step1 at_step SslBump1' /usr/local/squid/etc/squid.conf sed -i '4issl_bump peek step1' /usr/local/squid/etc/squid.conf sed -i '5issl_bump bump all' /usr/local/squid/etc/squid.conf # #squidclamav conf # sed -i -e 's%redirect http://proxy.domain.dom/cgi-bin/clwarn.cgi%#redirect http://proxy.domain.dom/cgi-bin/clwarn.cgi%g' /etc/squidclamav.conf #sed -i -e 's%clamd_local /var/run/clamav/clamd.ctl%clamd_local /run/clamd.scan/clamd.sock%g' /etc/squidclamav.conf sed -i -e 's%enable_libarchive 0%enable_libarchive 1%g' /etc/squidclamav.conf # #clamav conf # sed -i -e 's%#LocalSocket /run/clamd.scan/clamd.sock%LocalSocket /var/run/clamav/clamd.ctl%g' /etc/clamd.d/scan.conf sed -i -e 's%Example%#Example%g' /etc/clamd.d/scan.conf sed -i -e 's%User clamscan%User root%g' /etc/clamd.d/scan.conf sed -i -e 's%#StreamMaxLength 10M%StreamMaxLength 5M%g' /etc/clamd.d/scan.conf freshclam echo "00 01,13 * * * /usr/bin/freshclam --quiet" >> /var/spool/cron/root systemctl enable clamd@scan # #c-icap and c-icap modules # #sed -i -e 's%PidFile /var/run/c-icap/c-icap.pid%PidFile /run/c-icap/c-icap.pid%g' /etc/c-icap.conf #sed -i -e 's%CommandsSocket /var/run/c-icap/c-icap.ctl%CommandsSocket /run/c-icap/c-icap.ctl%g' /etc/c-icap.conf sed -i -e 's%#.*User wwwrun%User root%g' /etc/c-icap.conf sed -i -e 's%#.*Group nogroup%Group root%g' /etc/c-icap.conf sed -i -e 's%#.*Service echo_service srv_echo.so%Service squidclamav squidclamav.so%g' /etc/c-icap.conf sed -i -e 's%DebugLevel 1%DebugLevel 0%g' /etc/c-icap.conf sed -i -e 's%StartServers 3%StartServers 1%g' /etc/c-icap.conf sed -i -e 's%MaxServers 10%MaxServers 20%g' /etc/c-icap.conf sed -i -e 's%MaxRequestsPerChild 0%MaxRequestsPerChild 100%g' /etc/c-icap.conf sed -i '520iacl localhost src 127.0.0.1/255.255.255.255' /etc/c-icap.conf sed -i '521iacl PERMIT_REQUESTS type REQMOD RESPMOD' /etc/c-icap.conf sed -i '522iicap_access allow localhost PERMIT_REQUESTS' /etc/c-icap.conf sed -i '523iicap_access deny all' /etc/c-icap.conf echo "clamav_mod.TmpDir /var/tmp" >> /etc/clamav_mod.conf echo "clamav_mod.MaxFilesInArchive 1000" >> /etc/clamav_mod.conf echo "clamav_mod.MaxScanSize 5M" >> /etc/clamav_mod.conf echo "clamav_mod.HeuristicScanPrecedence on" >> /etc/clamav_mod.conf echo "clamav_mod.OLE2BlockMacros on" >> /etc/clamav_mod.conf echo "virus_scan.ScanFileTypes TEXT DATA EXECUTABLE ARCHIVE DOCUMENT" >> /etc/virus_scan.conf echo "virus_scan.SendPercentData 5" >> /etc/virus_scan.conf echo "virus_scan.PassOnError on" >> /etc/virus_scan.conf echo "virus_scan.MaxObjectSize 5M" >> /etc/virus_scan.conf echo "virus_scan.DefaultEngine clamav" >> /etc/virus_scan.conf echo "Include clamav_mod.conf" >> /etc/virus_scan.conf echo "Include virus_scan.conf" >> /etc/c-icap.conf # #make c-icap service # echo "[Unit]" >> /usr/lib/systemd/system/c-icap.service echo "Description=c-icap service" >> /usr/lib/systemd/system/c-icap.service echo "After=network.target" >> /usr/lib/systemd/system/c-icap.service echo "[Service]" >> /usr/lib/systemd/system/c-icap.service echo "Type=forking" >> /usr/lib/systemd/system/c-icap.service echo "PIDFile=/var/run/c-icap/c-icap.pid" >> /usr/lib/systemd/system/c-icap.service echo "ExecStart=/usr/local/bin/c-icap -f /etc/c-icap.conf" >> /usr/lib/systemd/system/c-icap.service echo "KillMode=process" >> /usr/lib/systemd/system/c-icap.service echo "[Install]" >> /usr/lib/systemd/system/c-icap.service echo "WantedBy=multi-user.target" >> /usr/lib/systemd/system/c-icap.service systemctl enable c-icap reboot thanks, rob -- Regards, Robert K Wild.
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