Hello,

Due to all the documentation on the internet, we still do not have the answer 
to the question or whether we can use ssl_bump https traffic to intercept https 
traffic using a cache_peer.

So our question is, can we use ssl_bump to intercept https traffic with a 
parent proxy (cache_peer).

Config example:

http_port 10.**********:8080 ssl-bump cert=/etc/squid/ssl_cert/myCA.pem 
generate-host-certificates=on 
options=NO_SSLv2,NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE 
dynamic_cert_mem_cache_size=4MB
http_port 127.0.0.1:8080 intercept ssl-bump cert=/etc/squid/ssl_cert/myCA.pem 
generate-host-certificates=on 
options=NO_SSLv2,NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE 
dynamic_cert_mem_cache_size=4MB
https_port 127.0.0.1:8081 intercept ssl-bump cert=/etc/squid/ssl_cert/myCA.pem 
generate-host-certificates=on 
options=NO_SSLv2,NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE 
dynamic_cert_mem_cache_size=4MB
sslcrtd_program /usr/lib64/squid/ssl_crtd -s /var/lib/ssl_db -M 4MB
sslcrtd_children 32 startup=5 idle=1
acl step1 at_step SslBump1

ssl_bump peek step1

cache_peer ************** parent 8080 0 no-query no-netdb-exchange no-digest 
name=*******
never_direct allow all


squid -v squid-3.5.20-2.el7.x86_64

configure options:  '--build=x86_64-redhat-linux-gnu' 
'--host=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' 
'--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' 
'--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' 
'--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--sharedstatedir=/var/lib' 
'--mandir=/usr/share/man' '--infodir=/usr/share/info' 
'--disable-strict-error-checking' '--exec_prefix=/usr' 
'--libexecdir=/usr/lib64/squid' '--localstatedir=/var' 
'--datadir=/usr/share/squid' '--sysconfdir=/etc/squid' 
'--with-logdir=$(localstatedir)/log/squid' 
'--with-pidfile=$(localstatedir)/run/squid.pid' '--disable-dependency-tracking' 
'--enable-eui' '--enable-follow-x-forwarded-for' '--enable-auth' 
'--enable-auth-basic=DB,LDAP,MSNT-multi-domain,NCSA,NIS,PAM,POP3,RADIUS,SASL,SMB,SMB_LM,getpwnam'
 '--enable-auth-ntlm=smb_lm,fake' '--enable-auth-digest=file,LDAP,eDirectory' 
'--enable-auth-negotiate=kerberos' 
'--enable-external-acl-helpers=file_userip,LDAP_group,time_quota,session,unix_group,wbinfo_group'
 '--enable-cache-digests' '--enable-cachemgr-hostname=localhost' 
'--enable-delay-pools' '--enable-epoll' '--enable-ident-lookups' 
'--enable-linux-netfilter' '--enable-removal-policies=heap,lru' '--enable-snmp' 
'--enable-ssl-crtd' '--enable-storeio=aufs,diskd,ufs' '--enable-wccpv2' 
'--enable-esi' '--enable-ecap' '--with-aio' '--with-default-user=squid' 
'--with-dl' '--with-openssl' '--with-pthreads' '--disable-arch-native' 
'--disable-icap-client' 'build_alias=x86_64-redhat-linux-gnu' 
'host_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-O2 -g -pipe -Wall 
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong 
--param=ssp-buffer-size=4 -grecord-gcc-switches   -m64 -mtune=generic -fpie' 
'LDFLAGS=-Wl,-z,relro  -pie -Wl,-z,relro -Wl,-z,now' 'CXXFLAGS=-O2 -g -pipe 
-Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong 
--param=ssp-buffer-size=4 -grecord-gcc-switches   -m64 -mtune=generic -fpie' 
'PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'


kind regards,

Sandro

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