<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Try as test to remove:<o:p></o:p></p><p class=MsoNormal>ssl_bump terminate all<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ie use only the next bump rules:<o:p></o:p></p><p class=MsoNormal>### START<o:p></o:p></p><p class=MsoNormal># TLS/SSL bumping definitions<o:p></o:p></p><p class=MsoNormal>acl tls_s1_connect at_step SslBump1<o:p></o:p></p><p class=MsoNormal>acl tls_s2_client_hello at_step SslBump2<o:p></o:p></p><p class=MsoNormal>acl tls_s3_server_hello at_step SslBump3<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>ssl_bump peek tls_s1_connect<o:p></o:p></p><p class=MsoNormal>ssl_bump splice all<br>### END<o:p></o:p></p><p class=MsoNormal>The above is from an example at ufdbguard manual.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Let me know if you are still having issues in full splice mode.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Eliezer<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>----<o:p></o:p></p><p class=MsoNormal>Eliezer Croitoru<o:p></o:p></p><p class=MsoNormal>Tech Support<o:p></o:p></p><p class=MsoNormal>Mobile: +972-5-28704261<o:p></o:p></p><p class=MsoNormal>Email: <a href="mailto:ngtech1ltd@gmail.com">ngtech1ltd@gmail.com</a><o:p></o:p></p><p class=MsoNormal>Zoom: Coming soon<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> jean francois hasson <jfhasson@club-internet.fr> <br><b>Sent:</b> Monday, January 4, 2021 8:51 AM<br><b>To:</b> ngtech1ltd@gmail.com<br><b>Cc:</b> squid-users@lists.squid-cache.org<br><b>Subject:</b> Re: [squid-users] Setting up a transparent http and https proxy server using squid 4.6<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>Hi,<o:p></o:p></p><p>Thank you for looking at my question.<o:p></o:p></p><p>I dowloaded the squid 4.6 source code from <a href="http://ftp.debian.org/debian/pool/main/s/squid/">http://ftp.debian.org/debian/pool/main/s/squid/</a> and selected squid_4.6.orig.tar.gz, squid_4.6-1+deb10u4.debian.tar.xz and squid_4.6-1+deb10u4.dsc. I modified the debian/rules file by adding to DEB_CONFIGURE_EXTRA_FLAGS the following --with-openssl, --enable-ssl and --enable-ssl-crtd.<o:p></o:p></p><p>The squid -v output is :<o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p>Squid Cache: Version 4.6<br>Service Name: squid<br>Raspbian linux<br><br>This binary uses OpenSSL 1.0.2q 20 Nov 2018. For legal restrictions on distribution see <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a><br><br>configure options: '--build=arm-linux-gnueabihf' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--libexecdir=${prefix}/lib/squid' '--srcdir=.' '--disable-maintainer-mode' '--disable-dependency-tracking' '--disable-silent-rules' 'BUILDCXXFLAGS=-g -O2 -fdebug-prefix-map=/home/pi/build/squid/squid-4.6=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -latomic' 'BUILDCXX=arm-linux-gnueabihf-g++' '--with-build-environment=default' '--enable-build-info=Raspbian linux' '--datadir=/usr/share/squid' '--sysconfdir=/etc/squid' '--libexecdir=/usr/lib/squid' '--mandir=/usr/share/man' '--enable-inline' '--disable-arch-native' '--enable-async-io=8' '--enable-storeio=ufs,aufs,diskd,rock' '--enable-removal-policies=lru,heap' '--enable-delay-pools' '--enable-cache-digests' '--enable-icap-client' '--enable-follow-x-forwarded-for' '--enable-auth-basic=DB,fake,getpwnam,LDAP,NCSA,NIS,PAM,POP3,RADIUS,SASL,SMB' '--enable-auth-digest=file,LDAP' '--enable-auth-negotiate=kerberos,wrapper' '--enable-auth-ntlm=fake,SMB_LM' '--enable-external-acl-helpers=file_userip,kerberos_ldap_group,LDAP_group,session,SQL_session,time_quota,unix_group,wbinfo_group' '--enable-security-cert-validators=fake' '--enable-storeid-rewrite-helpers=file' '--enable-url-rewrite-helpers=fake' '--enable-eui' '--enable-esi' '--enable-icmp' '--enable-zph-qos' '--enable-ecap' '--disable-translation' '--with-swapdir=/var/spool/squid' '--with-logdir=/var/log/squid' '--with-pidfile=/var/run/squid.pid' '--with-filedescriptors=65536' '--with-large-files' '--with-default-user=proxy' '--with-gnutls' '--with-openssl' '--enable-ssl' '--enable-ssl-crtd' '--enable-linux-netfilter' 'build_alias=arm-linux-gnueabihf' 'CC=arm-linux-gnueabihf-gcc' 'CFLAGS=-g -O2 -fdebug-prefix-map=/home/pi/build/squid/squid-4.6=. -fstack-protector-strong -Wformat -Werror=format-security -Wall' 'LDFLAGS=-Wl,-z,relro -Wl,-z,now -Wl,--as-needed -latomic' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXX=arm-linux-gnueabihf-g++' 'CXXFLAGS=-g -O2 -fdebug-prefix-map=/home/pi/build/squid/squid-4.6=. -fstack-protector-strong -Wformat -Werror=format-security'<o:p></o:p></p></blockquote><p>When I run openssl version I get 1.1.1d.<o:p></o:p></p><p>I hope it helps.<o:p></o:p></p><p>Best regards,<o:p></o:p></p><p>JF<o:p></o:p></p><div><p class=MsoNormal>Le 03/01/2021 à 21:55, <a href="mailto:ngtech1ltd@gmail.com">ngtech1ltd@gmail.com</a> a écrit :<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Hey,<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>I am missing a bit of the context, like:<o:p></o:p></p><p class=MsoNormal>Did you self compiled squid? Is it from the OS repository?<o:p></o:p></p><p class=MsoNormal>Squid -v might help a bit to understand what you do have enabled in your Squid.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Eliezer<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><div><p class=MsoNormal>----<o:p></o:p></p><p class=MsoNormal>Eliezer Croitoru<o:p></o:p></p><p class=MsoNormal>Tech Support<o:p></o:p></p><p class=MsoNormal>Mobile: +972-5-28704261<o:p></o:p></p><p class=MsoNormal>Email: <a href="mailto:ngtech1ltd@gmail.com">ngtech1ltd@gmail.com</a><o:p></o:p></p><p class=MsoNormal>Zoom: Coming soon<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p></div><p class=MsoNormal> <o:p></o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> squid-users <a href="mailto:squid-users-bounces@lists.squid-cache.org"><squid-users-bounces@lists.squid-cache.org></a> <b>On Behalf Of </b>jean francois hasson<br><b>Sent:</b> Thursday, December 31, 2020 11:10 AM<br><b>To:</b> <a href="mailto:squid-users@lists.squid-cache.org">squid-users@lists.squid-cache.org</a><br><b>Subject:</b> [squid-users] Setting up a transparent http and https proxy server using squid 4.6<o:p></o:p></p></div></div><p class=MsoNormal> <o:p></o:p></p><p>Hi,<o:p></o:p></p><p>I am trying to create for my home network a transparent proxy to implement filtering rules based on website names mainly.<o:p></o:p></p><p>I have been looking at using a Raspberry pi 3B+ running pi OS. I configured it to be a Wifi access point using RaspAP quick install. The Wifi network on which the filtering option is to be implemented is with IP 10.3.141.xxx. The router is at address 10.3.141.1.<o:p></o:p></p><p>I have the following squid.conf file which I tried to create based on different mails, websites and blogs I read :<o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p>acl SSL_ports port 443 #https<br>acl SSL_ports port 563 # snews<br>acl SSL_ports port 873 # rsync<br>acl Safe_ports port 80 # http<br>acl Safe_ports port 21 # ftp<br>acl Safe_ports port 443 # https<br>acl Safe_ports port 70 # gopher<br>acl Safe_ports port 210 # wais<br>acl Safe_ports port 1025-65535 # unregistered ports<br>acl Safe_ports port 280 # http-mgmt<br>acl Safe_ports port 488 # gss-http<br>acl Safe_ports port 591 # filemaker<br>acl Safe_ports port 777 # multiling http<br><br>#Le réseau local<br>acl LocalNet src 10.3.141.0/24<br><br>acl bump_step1 at_step SslBump1<br>acl bump_step2 at_step SslBump2<br>acl bump_step3 at_step SslBump3<br><br>#Définition des autorisations<br>http_access deny !Safe_ports<br>#http_access deny CONNECT !SSL_ports<br>http_access allow localhost manager<br>http_access deny manager<br>http_access allow localhost<br>http_access allow LocalNet<br>http_access deny all<br><br>#Définition des ports d'écoute<br>http_port 8080<br>http_port 3128 intercept<br>https_port 3129 intercept ssl-bump \<br> tls-cert=/etc/squid/cert/example.crt \<br> tls-key=/etc/squid/cert/example.key \<br> generate-host-certificates=on dynamic_cert_mem_cache_size=4MB<br><br>sslcrtd_program /usr/lib/squid/security_file_certgen -s /var/lib/ssl_db -M 4MB<br>sslcrtd_children 5<br><br>ssl_bump peek all<br>acl tls_whitelist ssl::server_name .example.com<br>ssl_bump splice tls_whitelist<br>ssl_bump terminate all<br><br>coredump_dir /var/spool/squid<br><br>refresh_pattern ^ftp: 1440 20% 10080<br>refresh_pattern ^gopher: 1440 0% 1440<br>refresh_pattern -i (/cgi-bin/|\?) 0 0% 0<br>refresh_pattern . 0 20% 4320<br><br>cache_dir ufs /cache 400 16 256<br>cache_access_log /var/log/squid/access.log<br>cache_effective_user proxy<o:p></o:p></p></blockquote><p>If I set up on a device connected to the access point a proxy manually ie 10.3.141.1 on port 8080, I can access the internet. If I put the following rules for iptables to use in files rules.v4 :<o:p></o:p></p><p>*nat<br>-A PREROUTING -i eth0 -p tcp -m tcp --dport 80 -j DNAT --to-destination 10.3.141.1:3128<br>-A PREROUTING -i eth0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128<br>-A PREROUTING -i eth0 -p tcp -m tcp --dport 443 -j DNAT --to-destination 10.3.141.1:3129<br>-A PREROUTING -i eth0 -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 3129<br>-A POSTROUTING -s 10.3.141.0/24 -o eth0 -j MASQUERADE<br>COMMIT<br>Now, if I remove the manual proxy configuration of the device connected to the access point, I can't connect to the internet. If I leave the manual proxy configuration it does work and there is activity logged in /var/log/squid/access.log.<o:p></o:p></p><p>Please let me know what might be wrong in my configuration if possible.<o:p></o:p></p><p>Best regards,<o:p></o:p></p><p>JF<o:p></o:p></p><p> <o:p></o:p></p></blockquote></div></body></html>