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SSL Bump Failures with Google and Wikipedia

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Hello All,

I have been working with the squid server and icap and I have been
running into problems with content cached from google and wikipedia.
Some sites using https, such as Centos.org work perfectly with ssl
bumping and I get the decrypted content as html and it's readable.
Other sites, such as google and wikipedia return what looks like
encrypted traffic, or perhaps mime encoded data, I am not sure which.

Are there cases where squid will default to direct mode and not
decrypt the traffic?  I am using the latest squid server 3.5.27.  I
really would like to get this working with google and wikipedia.  I
reviewed the page source code from the browser viewer and it looks
nothing like the data I am getting via the icap server.

Any assistance would be greatly appreciated.

The config I am using is:

#
# Recommended minimum configuration:
#

# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed

acl localnet src 127.0.0.1
acl localnet src 10.0.0.0/8     # RFC1918 possible internal network
acl localnet src 172.16.0.0/12  # RFC1918 possible internal network
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network
acl localnet src fc00::/7       # RFC 4193 local private network range
acl localnet src fe80::/10      # RFC 4291 link-local (directly
plugged) machines

acl SSL_ports port 443
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443         # https
acl Safe_ports port 70          # gopher
acl Safe_ports port 210         # wais
acl Safe_ports port 1025-65535  # unregistered ports
acl Safe_ports port 280         # http-mgmt
acl Safe_ports port 488         # gss-http
acl Safe_ports port 591         # filemaker
acl Safe_ports port 777         # multiling http
acl CONNECT method CONNECT

#
# Recommended minimum Access Permission configuration:
#
# Deny requests to certain unsafe ports
http_access deny !Safe_ports

# Deny CONNECT to other than secure SSL ports
http_access deny CONNECT !SSL_ports

# Only allow cachemgr access from localhost
http_access allow localhost manager
http_access deny manager

# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on "localhost" is a local user
#http_access deny to_localhost

#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#

# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow localnet
http_access allow localhost

# And finally deny all other access to this proxy
http_access deny all

# Squid normally listens to port 3128
#http_port 3128

# Uncomment and adjust the following to add a disk cache directory.
#cache_dir ufs /usr/local/squid/var/cache/squid 100 16 256

# Leave coredumps in the first cache dir
coredump_dir /usr/local/squid/var/cache/squid

#
# Add any of your own refresh_pattern entries above these.
#
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern .               0       20%     4320

http_port 3128 ssl-bump generate-host-certificates=on
dynamic_cert_mem_cache_size=4MB cert=/etc/squid/ssl_cert/myCA.pem
http_port 3129

# SSL Bump Config
always_direct allow all
ssl_bump server-first all
sslproxy_cert_error deny all
sslproxy_flags DONT_VERIFY_PEER
sslcrtd_program /usr/local/squid/libexec/ssl_crtd -s /var/lib/ssl_db
-M 4MB sslcrtd_children 8 startup=1 idle=1

# For squid 3.5.x
#sslcrtd_program /usr/local/squid/libexec/ssl_crtd -s /var/lib/ssl_db -M 4MB

# For squid 4.x
# sslcrtd_program /usr/local/squid/libexec/security_file_certgen -s
/var/lib/ssl_db -M 4MB

icap_enable on
icap_send_client_ip on
icap_send_client_username on
icap_client_username_header X-Authenticated-User
icap_preview_enable on
icap_preview_size 1024
icap_service service_avi_req reqmod_precache
icap://127.0.0.1:1344/request bypass=1
adaptation_access service_avi_req allow all
icap_service service_avi_resp respmod_precache
icap://127.0.0.1:1344/cherokee bypass=0
adaptation_access service_avi_resp allow all

Jeff
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