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Re: RE Peek and Splice error SSL_accept failed

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On Fri, 2015-07-24 at 12:09 +0000, Sebastian Kirschner wrote:
Hi ,

I minimized the configuration a little bit(you could see it at the bottom of these message).

Also I still try to understand why these error happen , I increased the Debug level and saw that squid tried 48 times to peek but failed.
At the end It says that it got an "Hello", does it mean that squid received after 48 tries the "Hello" ?

If yes why it does need so many tries ?

-> Part of debug log <-
2015/07/24 11:05:42.866 kid1| client_side.cc(4242) clientPeekAndSpliceSSL: Start peek and splice on FD 11
2015/07/24 11:05:42.866 kid1| bio.cc(120) read: FD 11 read 11 <= 11
2015/07/24 11:05:42.866 kid1| bio.cc(146) readAndBuffer: read 11 out of 11 bytes
2015/07/24 11:05:42.866 kid1| bio.cc(150) readAndBuffer: recorded 11 bytes of TLS client Hello
2015/07/24 11:05:42.866 kid1| ModEpoll.cc(116) SetSelect: FD 11, type=1, handler=1, client_data=0x7effbd078458, timeout=0
2015/07/24 11:05:42.866 kid1| client_side.cc(4245) clientPeekAndSpliceSSL: SSL_accept failed.
.
.
.
2015/07/24 11:05:42.874 kid1| client_side.cc(4242) clientPeekAndSpliceSSL: Start peek and splice on FD 11
2015/07/24 11:05:42.874 kid1| bio.cc(120) read: FD 11 read 6 <= 11
2015/07/24 11:05:42.874 kid1| bio.cc(146) readAndBuffer: read 6 out of 11 bytes
2015/07/24 11:05:42.874 kid1| bio.cc(150) readAndBuffer: recorded 6 bytes of TLS client Hello
2015/07/24 11:05:42.875 kid1| SBuf.cc(152) assign: SBuf2040 from c-string, n=0)
2015/07/24 11:05:42.875 kid1| SBuf.cc(152) assign: SBuf2038 from c-string, n=13)
2015/07/24 11:05:42.875 kid1| ModEpoll.cc(116) SetSelect: FD 11, type=1, handler=1, client_data=0x7effbd078458, timeout=0
2015/07/24 11:05:42.875 kid1| client_side.cc(4245) clientPeekAndSpliceSSL: SSL_accept failed.
2015/07/24 11:05:42.875 kid1| SBuf.cc(152) assign: SBuf2025 from c-string, n=4294967295)
2015/07/24 11:05:42.875 kid1| client_side.cc(4259) clientPeekAndSpliceSSL: I got hello. Start forwarding the request!!!

-> new configuration <-
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network

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

http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localnet
http_access allow localhost
http_access deny all

# Listening Ports
http_port 127.0.0.1:3120
http_port 192.168.1.104:3128 intercept
https_port 192.168.1.104:3129 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=10MB cert=/etc/squid3/ssl_cert/myCA.pem

# some configuration options
cache_effective_user proxy
cache_effective_group proxy
access_log /var/squid/logs/access.log
cache_log /var/squid/logs/cache.log
pinger_enable on
pinger_program /lib/squid3/pinger
sslproxy_capath /etc/ssl/certs
sslcrtd_program /lib/squid3/ssl_crtd -s /var/squid/certs -M 4MB -b 2048

#ACLs
acl step1 at_step SslBump1
acl step2 at_step SslBump2
acl step3 at_step SslBump3
acl bypass ssl::server_name www.google.de

ssl_bump peek step1
ssl_bump splice bypass step2
ssl_bump bump all

# Debugging if needeed
debug_options all,6 6,0 16,0 18,0 19,0 20,0 32,0 47,0 79,0 90,0 92,0

# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid3

#
# 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


Mit freundlichen Grüßen / Best Regards

Sebastian
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Is that all sites or just a few special sites?

James
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