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Re: SSL Bump Issue

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I did run in debug mode and when the request is done I can see 

2016/03/03 18:43:13.784 kid1| Address.cc(378) lookupHostIP: Given Non-IP 'requested.URL.com': Name or service not known

I am using 8.8.8.8 in resolv.conf "public hostname not internal " and I can ping the URL that should be instead of  requested.URL.com just fine from command line . I can also visit that URL in browser when using the transparent proxy in HTTP mode.  


On Fri, Mar 4, 2016 at 12:57 AM, Ali Jawad <alijawad1@xxxxxxxxx> wrote:
Hi
I am using Squid 

[root@kgoDcyTx9 squid]# /squid/sbin/squid  -v 

Squid Cache: Version 3.4.9

configure options:  '--prefix=/squid' '--includedir=/squid/usr/include' '--enable-ssl-crtd' '--datadir=/squid/usr/share' '--bindir=/squid/usr/sbin' '--libexecdir=/squid/usr/lib/squid' '--localstatedir=/squid/var' '--sysconfdir=/squid/etc/squid' '--enable-arp-acl' '--enable-follow-x-forwarded-for' '--enable-auth' '--enable-auth-basic=DB,LDAP,MSNT,MSNT-multi-domain,NCSA,NIS,PAM,POP3,RADIUS,SASL,SMB,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,session,unix_group,wbinfo_group' '--enable-cache-digests' '--enable-cachemgr-hostname=localhost' '--enable-delay-pools' '--enable-epoll' '--enable-icap-client' '--enable-ident-lookups' '--enable-linux-netfilter' '--enable-referer-log' '--enable-removal-policies=heap,lru' '--enable-snmp' '--enable-ssl' '--enable-storeio=aufs,diskd,ufs' '--enable-useragent-log' '--enable-wccpv2' '--enable-esi' '--with-aio' '--with-default-user=squid' '--with-filedescriptors=64000' '--with-dl' '--with-openssl' '--with-pthreads' 'build_alias=x86_64-redhat-linux-gnu' 'host_alias=x86_64-redhat-linux-gnu' 'target_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fpie' 'CXXFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fpie' 'PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/share/pkgconfig' '--enable-ltdl-convenience' '--disable-ipv6'


Config Options 


https_port 3129 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=4MB cert=/squid/etc/squid/ssl_cert/myca.pem key=/squid/etc/squid/ssl_cert/myca.pem


#always_direct allow all

ssl_bump server-first all

sslproxy_cert_error allow all

sslproxy_flags DONT_VERIFY_PEER

#sslproxy_cert_error deny all

#sslproxy_flags DONT_VERIFY_PEER


sslcrtd_program /squid/usr/lib/squid/ssl_crtd -s /var/lib/ssl_db -M 4MB

sslcrtd_children 8 startup=1 idle=1


Iptables Rule 

iptables -t nat -A PREROUTING -p tcp  --dport 443 --destination 162.220.xx.xx -j REDIRECT --to-ports 3129


The problem :

There are no certificate errors in the cache log and access log appears to log the requested URL, the problem is that Squid shows the error below, from the looks of it Squid is trying to send the request to itself on its own  IP, my assumption is that Squid is not able to detect the proper destination during bump "through a config fault of my own" or a missing step. Please advice :

The following error was encountered while trying to retrieve the URL: ://162.220.xx.xx:443

Connection to 162.220.244.7 failed.

The system returned: (111) Connection refused




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