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Problem with Squid 3.4 and transparent SSL proxy

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Hello Elizier,

first of all thank you for your patience and help!
I use this directives in iptables:

iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 3128 (for http)
iptables -t nat -A PREROUTING -p tcp --dport 443 -j REDIRECT --to-port 3129 (for https)

In a normal http-only transparent proxy everything works fine, but i would like to implement ssl bump for proxying transparently https connection.

When telnetting 3128 or 3129 mode, from Linux machine shell, it seems that connection fails.
When telnetting 3128 port not in interception mode (for standard http transparent proxying), the socket opens and stay connected!

The squid.conf seciont regarding SSL:

http_port 3128
https_port 3129 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=16MB cert=/etc/squid/ssl/squid.pem key=/etc/squid/ssl/squid.key
sslcrtd_program /usr/lib/squid/ssl_crtd -s /var/lib/squid_ssl_db -M 16MB
sslcrtd_children 50 startup=5 idle=1
ssl_bump server-first all


Thank you again,
Francesco


________________________________________
Da: squid-users [squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx] per conto di Eliezer Croitoru [eliezer@xxxxxxxxxxxx]
Inviato: martedì 11 novembre 2014 15.31
A: squid-users@xxxxxxxxxxxxxxxxxxxxx
Oggetto: Re:  Problem with Squid 3.4 and transparent SSL proxy

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Hey,

Your configuration seems to not include any iptables and other
relevant details.
What is this machine details?

Eliezer

On 11/11/2014 04:20 PM, Job wrote:
> Hello,
>
> i initialize correctly SSL Bump with Squid 3.4.4, following some
> guides. In iptables i redirect 80 and 443 ports to squid ports.
>
> Squid starts with no error, lines involving SSL bump are the
> following:
>
> http_port 3128 intercept https_port 3129 intercept ssl-bump
> generate-host-certificates=on dynamic_cert_mem_cache_size=16MB
> cert=/etc/squid/ssl/squid.pem key=/etc/squid/ssl/squid.key
>
> But no request arrives to squid.
>
> If i telnet, from Linux machine, this:
>
> telnet localhost 3128 or telnet localhost 3129, even though the
> socket is open (netstat -avn | grep 3128 and 3129), connection
> close immediately.
>
> I see no errors in cache.log, access.log and messages.
>
> Thank you Francesco

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